Shijiazhuang Xing Yin import and export trading Co.,Ltd: 2016

2016年12月28日星期三

Difference between PPR pipe and PPC pipe

Difference between PPR pipe and PPC pipe
There have been a lot of PPC pipe on the market, it is the installation method and the same as the PPR pipe fittings, the following Xiaobian for everyone to introduce the difference between the two:
Polypropylene hot and cold water pipes are divided into PPH, ppb, PPR three, there is no PPR, the PPC tube in the market is actually ppb pipe, it is the raw material of block copolymer polypropylene pipe material. The ppb pipe is a kind of hot and cold water pipes, the price is relatively cheap, its heat resistance, pressure resistance and PPR gap is very large. In the design pressure 0.6MPadn25mm, PPR pipe wall thickness 3.5mm, PPC pipe wall thickness to 5.1mm; design pressure 0.8MPadn25mm, PPR pipe wall thickness of 4.2mm, and PPC can not be used. Because of the requirement of the wall thickness is too thick, the market size structure consistent with the PPR PPC tube, its use condition is much lower, not to be confused with the PPR tube, but can not be used in determining the conditions, to replace pprR tube tube ppc.
In the choice or to observe carefully, do not be confused, and choose a really useful pipe fittings.

Shijiazhuang xing yin import and export trading Co.,Ltd
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The introduction of PPR pipe hot melt connection--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月27日星期二

PPR piping hydrostatic test what are the provisions

PPR piping hydrostatic test what are the provisions
Pipeline cold water pipe test pressure and hot water pipe test pressure are to comply with the provisions of the following by the PPR pipe plant to introduce the provisions of the pipeline hydrostatic test:
First, melt connection pipeline, pressure test should be completed to more than 24h in the interface, a total length of the pipeline pressure test should not be greater than 500m; second, before hydrostatic testing, the pipeline should be firmly fixed, joints must be exposed, in addition to the valve, pipe end connection of sanitary ware water distribution; third. The pressure should be pressure pumps, pressure gauge pump and pressure measurement should be installed in the pipeline at the bottom of the lowest point; fourth, in the pipe filled with water, the air inside the discharge tube, the outlet of water plugging and tightness inspection; fifth, slow boost, rising time should not be less than 10 minutes to set the test pressure regulator for 1 hours, should not leak test.
In the design of 1.5 times the pressure of D state, the regulator for 2 hours, check if no leakage, then the water pressure test for qualified.

Shijiazhuang xing yin import and export trading Co.,Ltd
Address：5C,Diaoyutai palace,Jiankang Road,Changan District,shijiazhuang City
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PPR pipe fittings for hot melt connection--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月26日星期一

About PPR pipe color difference knowledge introduction

About PPR pipe color difference knowledge introduction
PPR pipe fittings on the market there are many, and some will have color differences, how is this going on? The following Xiaobian to introduce you:
Now on the market of the product because the production process is different, the color will be different, can be said that the particle color determines the different colors of PPR pipe, different color masterbatch add a transparent material, usually in the northern white PPR fitting more, while the south is more grey in addition, the green and white pipe fittings are more. Although the color PPR pipe fittings are different, but their quality and use are the same, there is no harm.

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PVC pipe fittings how to carry out construction maintenance--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月25日星期日

ppr pipe fittings coupling is introduced

ppr pipe fittings coupling is introduced
What are the ppr pipe fittings coupling? Usually if large molecules formed by a molecular monomer polymerization we call homopolymer.
If it is two or more than two kinds of high molecular monomer polymerization are referred to as ppb and copolymer; PPR is composed of monomer copolymer, propylene monomer and ethylene polymerization including: if using the PP and PE block copolymer, so this material called PPB. If we use advanced gas-phase copolymerization process, PE in PP molecular chain in random, uniform polymerization, then this material we call ppr.
Through the process of PPR pipe fittings coupling: Design: according to the product design, die structure and parts; processing: in addition to the traditional machining equipment also used wire cutting and EDM equipment and so on; the assembly: assemble all finished parts.

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The impact toughness of PPR pipe on knowledge--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月20日星期二

UPVC product features

UPVC product features
1, strong corrosion resistance and usually cast iron pipe, galvanized pipe, PVC pipe has excellent corrosion resistance, acid and alkali, does not rust fouling. When used without fear of red water scene.
2, fluid resistance small: PVC tube wall very lubrication. Its surface roughness coefficient is only 0.009, fluid resistance is very small, will not reduce the water pressure.
3, high mechanical strength, water use UPVC pipe has good water resistance, impact resistance, tensile strength, by 110 atmospheric pressure 1 hours without break at room temperature.
4, clean non-toxic: water supply UPVC pipe choose a common green lead-free formula system instead of the traditional compound lead salt formula system, so will not damage the water quality, affect human health.
5, light texture, device construction convenience: PVC pipe density is usually cast iron 1/5, convenient loading and unloading. And the use of special posting agent posted or elastic seal sleeve connection, simple and fast device construction.
6, water supply suitable temperature function: water supply UPVC pipe use temperature scale, at room temperature is the best. The low temperature brittleness, add, for the construction of high temperature, bad luck; the decrease of tensile strength, water resistance and reduced function.
7, good water tightness: 15 minutes after bonding, the bonding strength can reach above 12.5/C, after years of use will not be significantly reduced, and the elastic sealing piece of sealing ring, and PVC tube with proper use of life, no aging Water Leakage worry.

Shijiazhuang xing yin import and export trading Co.,Ltd
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PVC pipe fittings interface way knowledge introduction--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月19日星期一

PVC pipe black rhyolite solution

PVC pipe black rhyolite solution
Analysis of factors: most of the PVC pipe black rhyelike basic lack of liquidity.
Technology can handle part of the injection to pay attention to the pressure and speed of the switching points in the local black as a little bit slower to reduce the shear, or to hide the black pattern in the cold material or flow channel inside the formula to enhance mobility, DOP function allows a little more or add a little smooth inside, and then can not add a little stabilizer, the mold has a great impact, mold design defects in the material difficult to hide caused by doubt.
The other can be opened to see if there is no flange inside the dip material, black lines are not all inside the flow channel, there may be brought out from the nozzle.

Shijiazhuang xing yin import and export trading Co.,Ltd
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The signification of the English symbol of PVC pipe--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月18日星期日

How to repair PE pipe fittings

How to repair PE pipe fittings
PE pipe fittings believe a lot of people know that the use of it has brought a lot of help to people, but if it has been damaged, so you should fix it, how to repair it? Let us know in detail!
First of all we need to know is that if it is damaged, it will damage its broken or long holes within 0.1M, so we can use a scraper to broken wall or holes on it are removed, but note that within the site removed it around 0.05m. You need to use the cyclohexenylcyclohexanone to clean it up, then we need to take the corresponding parts from the arc plate is damaged area 2 times, paste it in the damaged parts, then, will be good for repair.

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Specification for inspection of PVC drainage pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月15日星期四

Simple introduction of knowledge of aluminum-plastic composite pipe

Aluminum plastic composite pipe is the first alternative water supply pipe cast iron pipe, PPR pipe fittings manufacturers will be to introduce to our knowledge about plastic composite pipe today:

First of all, aluminum-plastic composite pipe has better thermal insulation, outer wall corrosion is not easy, because the inner wall smooth, fluid resistance is small; and because can be bent, so to facilitate the installation of construction. Then, the basic structure of aluminum-plastic composite pipe should be five layers, from the inside out followed by plastic, hot melt adhesive, hot melt adhesive, plastic, Aluminum Alloy. In addition, aluminum-plastic composite pipe is widely used in toothpaste, shoe polish, jam, paint, adhesive, food, milk, jam, flavoring agent, cosmetics, adhesives, paint and polish, Hair Coloring agent products packaging industry.

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PPR pipe fittings welding knowledge introduction--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月14日星期三

PPR pipe fittings should pay attention to in the home improvement

PPR pipe fittings should pay attention to in the home improvement
PPR pipe fittings in the home decoration mostly belong to the dark outfit, is also an important part of the hidden works
First, because the hardness of the PPR tube is low, the rigidity is poor, so it should be protected in the handling and construction, so as to avoid the mechanical damage caused by improper external forces. Second, if it is in the winter construction should be careful when cutting pipe to be used with a sharp cutting tool for cutting, the pipe has been installed can not be weighed, percussion. Again, because the PPR pipe line expansion coefficient is relatively large, in clear loading or compress non buried underground pipe, technical measures must be taken to prevent the pipeline deformation. In addition, in the pipeline installation, the sealing pipe and cover decoration layer must be before the test pressure, and pressure test time and methods must be in line with the provisions of the.

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Introduction to the application of PPR pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月13日星期二

The protective measures for the installation of PPR pipe fittings

The protective measures for the installation of PPR pipe fittings
After the PPR pipe installation is complete, for the protection of the pipeline is very important, the following small series will come to introduce the protection measures for PPR pipe:
First, in the installation process, the opening of the pipeline should be promptly sealed to prevent pollution, debris into the project risk. In second, after the completion of the installation of pipeline is prohibited knocking and bumping hit pressure, in the covert coverage protection measures should be done before. Third, the pipeline is located in the pipeline in the pipeline is not closed before, to take certain measures to prevent bricks, debris, and so fell off the pipe smashed. Fourth, installed in the outdoor or direct sunlight, to wrap the deep color of the protective layer, to prevent the sun exposure to the pipeline caused by chemical damage.

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How to solve the leakage phenomenon of PPR pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月11日星期日

Application of PPR pipe fittings as hot water pipe

PPR pipe fittings is not only used to PPR the only one kind of material, but the use of PPR material production of hot water pipe at the same time also used the PPR material used to produce cold water pipe.
For the PP material it is joined by 1%~4% as a random copolymer of ethylene (PPR) or a high rate of containing a large number of clamp copolymer (PP-B) ethylene material, the strength of PP usually increases with the increase of ethylene content. If the PPB materials used in the hot water pipe, in use after a period of time (usually family 2-3 years) you will find that the heat pipe can not restore the swelling phenomenon, bending deformation and pipeline, serious and may even lead to the occurrence of buried pipe wall arch cracking phenomenon. The use of life is far less than many manufacturers called 50 years of use of time. But for the VEKA PPR material softening, it is basically the use of temperature above 130 degrees C.
Generally speaking in the normal process of the use of the family is not the obvious phenomenon of bending deformation, so we can rest assured that the long-term use.

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PPR pipe fittings and accessories with the use --Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月8日星期四

Application knowledge of PPR pipe fittings in home decoration

Application knowledge of PPR pipe fittings in home decoration
Water pipes in the home decoration is essential to introduce about PPR pipe fittings in the family decoration of the construction:
First, the home decoration laying pipes should be avoided from the ground floor, preferably from the top or the wall of the line, the amount of pipe may be slightly increased, but it is conducive to the maintenance of the pipeline after the day. Then, home decoration with water pipes should pay attention to the diameter and wall thickness, the general manager to use 6 in charge of 4 in charge can be used in order to ensure the use of water, in charge can also be used in charge of 6. In addition, the thickness of the pipe wall of hot and cold water pipes are not the same, do not use hot water pipe cold water, hot water is a simple method to distinguish the water there is a red line marking tube.

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Correct installation of PVC drainage pipe--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月6日星期二

PPR pipe fittings why will occur at the connection burst

PPR pipe fittings why will occur at the connection burst
Hot melt method can be used to connect the PPR pipe fittings, but sometimes in the connection will happen burst because of what? Below small make up for everybody to introduce:
First, it may be the temperature of the hot melt welding machine is not correct, too high or too low, so that changes in the performance of polypropylene. Second, the size of the welded sleeve is incorrect, so that the melting depth and the welding structure of the pipe are not appropriate. Third, the surface of welding set has not dealt with, or surface coating, the contact part of the pipe with hole. Fourth, welded pipes and tubes do not maintain concentric or straight line.
Above is for the PPR pipe connection of the cause of the explosion, I hope you can understand these knowledge.

Shijiazhuang xing yin import and export trading Co.,Ltd
Address：5C,Diaoyutai palace,Jiankang Road,Changan District,shijiazhuang City
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How to set the temperature of PVC pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月5日星期一

Knowledge analysis on impact toughness of PPR pipe fittings

Knowledge analysis on impact toughness of PPR pipe fittings
PPR pipe impact toughness is refers to the pipe fittings to resist impact load without damaging the ability, the following small series will be introduced to you about the impact toughness of PPR pipe:
First of all, the pendulum impact test, after the destruction of the gap in the unit area of the power consumption to say more, the more energy absorption pipe before fracture, the toughness of PPR pipe. Then, the impact toughness of PPR pipe fittings will be affected by the temperature and time, when the temperature dropped to a certain temperature range, the sudden drop significantly, the pipe will begin to show brittle fracture.

Shijiazhuang xing yin import and export trading Co.,Ltd
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Analysis on the problem of hot melt shrinkage of PPR pipe fitting--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年12月4日星期日

Introduction to the related knowledge of PPR pipe fittings

PPR pipe fittings in the cold water piping system should not be greater than 40 degrees Celsius, the water temperature in the hot water piping system should not be greater than 90.

PPR supply pipe should be set in the dark tube or pipe hole, water surface of the riser should be arranged in the sanitary ware and more concentrated with local water consumption, and should be arranged in the corner is not vulnerable to external impact. Water can cross pipe laying in the ceiling or trench, can also be laid on the floor in the leveling layer. PPR pipe should not pass through the expansion joints, settlement joints, such as must pass through, should take the necessary technical measures. If the pipe should be placed outside the open and bright, the pipe should be placed in the light of the direct exposure to the sun. In areas where there is a potential for freezing, there should be anti freezing measures for outdoor and outdoor piping.

Note that the pipeline shall be laid in the flue duct, and drainage; not through the stool trough, trough urinal; not through distribution room, warehouse, storage room and other rooms.

Shijiazhuang xing yin import and export trading Co.,Ltd
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Fusion connection of PPR pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月30日星期三

Process temperature control of PVC pipe

Process temperature control of PVC pipe
To accurately control the extrusion temperature, we must first understand the processed materials the relationship between temperature limit and physical performance, find out its characteristics and rules, to choose a better temperature scale extrusion molding. So in the temperature setting should consider their properties of polymer, the performance of the equipment and the observation tube die extrusion billet surface is not lubrication, no bubble phenomenon to distinguish. The extrusion temperature includes the setting temperature and the melt temperature of the heater. Heating temperature is the temperature that is supplied by the external heater. Melt temperature is the temperature of the material between the front and the head of the screw.
There is a barrel temperature distribution from the feed zone to the die may be flat spread, increasing spread, decreasing dispersion and mixed distribution, basically depend on the material and structure of extruder.

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The knowledge of sizing in the production of PVC pipe and pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月29日星期二

Construction and installation of PPR pipe fittings

Construction and installation of PPR pipe fittings
Be careful in handling PPR fittings, prohibited throwing, throwing, rolling, drag, according to different specifications of packaging and stacking, pipes in different specifications and varieties were packing.
The installation personnel should be familiar with the general properties of PPR type hot melt connection pipe, grasp the basic operation, and be familiar with design drawings, understand the relationship between the structure and technology layout of buildings and other works with each other. Prior to construction, to deal with the material and appearance and accessories, etc., to check the ban will be long-term exposure to the sun. Pipe through the wall, the board should be set at the tube, the inner diameter of the pipe should be larger than the diameter of the outer diameter of the 20mm, the flexible non combustible material. All buried in the ground or wall plate, concealed pipes, must first hydraulic test to landfill or closed rear test.
For pipe hanger selection, according to on-site installation, selection of pipe factory production of plastic pipe clamp.

Shijiazhuang xing yin import and export trading Co.,Ltd
Address：5C,Diaoyutai palace,Jiankang Road,Changan District,shijiazhuang City
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Requirements for PPR pipe fittings in the room--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月28日星期一

Clamping piece fixing of PPR pipe fitting at installation time

Clamping piece fixing of PPR pipe fitting at installation time
PPR pipe fittings in connection, should use the same specifications of the bolt, the installation direction of the same, bolts should be symmetrical fastening, fastening bolts should be exposed outside, should be flush, bolt, nut should use galvanized parts.
But in the pipeline installation, should use pipe manufacturer supporting pipe support and hanger or pipe must be set according to different diameter and position requirements, should be accurate, buried should be smooth and firm; close pipe and pipe contact, but not to damage the surface of pipe. The use of metal stents, hanger or clamp, should adopt the saddle clamp flat iron making, and isolation using soft material in the pipe and pipe should not be used, made of round steel U clamp. The brackets and hangers should have sufficient stiffness, no deformation and other defects.
There is, PPR pipe and metal pipe connecting parts, clamp or support and hanger should be located in the end of metal pipe fittings.

Shijiazhuang xing yin import and export trading Co.,Ltd
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The use of PPR pipe fittings to avoid problems--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月27日星期日

The difference between PE pipe and PPR pipe

The difference between PE pipe and PPR pipe
PE pipe fittings believe a lot of people are not familiar with it, and now PPR pipe are used extensively by people, but both of them have what difference? Today Xiaobian introduce their knowledge to everyone. A detailed understanding of it!
We need to know is that PE pipe fittings are mostly black products, its size is very small, the main function of it is to use below ground, so now he used in many industries. But because the material is not the same, so the price will also change is not the same, but its use is really very safe and reliable, there is a PPR pipe is mainly can be divided into cold water pipes and hot water pipes, its people are favored in the process of deep, especially warm use.
Through the above brief introduction, I believe you should be able to understand, we have many different kinds of furniture factory products, can be very good to meet the people's use, if you have the intention of the words. Come and buy our products, look forward to your arrival!

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Connecting method of PVC pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月25日星期五

Ppr pipe the right steps of hot-melt connection

Ppr pipe the right steps of hot-melt connection
Ppr pipe fittings and pipe fittings between the installation, should be hot-melt connection, and installation should use a dedicated hot-melt tools.
In the hot melt to power, to reach the operating temperature indicator light before they can begin operation. In cutting the village, the end surface table must be in the pipe axis, pipe cutting generally use pipe cut or pipe cutting machine, if necessary, can use sharp hacksaw, but after cutting the pipe section should be removed burrs and burrs. The connection end of the pipe shall be clean, dry and oil free, and the hot melt depth shall be measured and plotted at the pipe end with a caliper and a suitable pen. In the welding elbow or tee, according to the requirements of the design drawings, should pay attention to its side, gas pipe and pipe in the direction of the line, marked with auxiliary signs its location.
When the heating time is reached, the pipe and the pipe are removed from the heating sleeve and the heating head at the same time, so that the straight line can be inserted into the standard depth without rotation and the uniform flange is formed at the joint.

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PPR pipe production process--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月21日星期一

Note PPR pipe installation branch

Note PPR pipe installation branch
PPR pipe fittings branch installation can be divided into surface mounted and concealed, installed is prefabricated pipe riser from left port section by section to install a valve stop valve handle should be dismounted and installed according to the length of the pipeline, appropriate to add temporary fixed card, water supply and sanitary appliances of different pre approved leave height the position is correct, and is planted after leveling branch card, remove the temporary fixed card, on the temporary plugging.
After the branch concealed in determining the branch height after the draw line positioning, from pipe prefabricated pipe will be deposited in the groove, leveling fixed alignment positioning with hook nail, hot and cold water sanitary appliances reserved port to do in the open, with good. After the piping system is installed, the comprehensive water pressure test should be carried out. The water pressure test on clean air, filled with water after the pressure, when the pressure rose to the requirements for inspection, stop the pressure, if the interface and the valves are no leakage, until the specified time, observe the pressure drop within the allowable range, notify the relevant personnel acceptance procedures.
Pay attention to the pipeline in the pressure test is completed, it can be done after washing, rinse application running water in a row, should ensure that there is sufficient flow, after washing clean for acceptance procedures.

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Simple operation process of PPR pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月20日星期日

Stacked PE pipe fittings need to follow the principles

Stacked PE pipe fittings need to follow the principles
PE pipe fittings believe there are a lot of people know, but when we are piled up when you need to follow many principles, then what principles should be followed? Xiaobian today to your knowledge to introduce to you.
1, during the transportation and storage, can be inserted into the tubular pipe for storage, saving space, without damaging the tube. This is a special need to pay attention to during the transportation.
2, there is in the daily time, should put it, if it is not, then we can add the support level, the support spacing should be 1-1.5m, the height is not suitable for more than 1.5m.
In 3, for this product when it piled up, from production to be kept between the period of more than 1 years, when the material to adhere to the "FIFO" principle. Only in this way can we use it better.
The above principles do you know? In the daily time, only pay attention to the above problems, it can better use it, prolong the service life of it, what are you waiting for, if you need, come to buy our products, look forward to your arrival!

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PVC pipe welding and PVC pipe connection matters needing attention--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月16日星期三

On the correct installation of PPR pipe fittings

On the correct installation of PPR pipe fittings
PPR pipe fittings, whether in production or in life, has brought us a lot of convenience, but need to pay more attention to the installation.
Prior to the installation of PPR pipe fittings, the need to do a good job in the protection of the work, especially in the installation and handling process, if the PPR pipe is not very good rigidity, it is easy to damage. After the PPR pipe fittings are installed, the maintenance and replacement should be done after the marking is convenient. The metal parts installation of PPR pipe, if the thread insert or flange installation, should adopt hot melt connection method, so as to ensure the overall quality of the installation, to ensure pipeline integration, avoid Water Leakage.
And if it is fitting PPR long time by the sun or ultraviolet irradiation, it is easy to aging, so for PPR pipe installed in the outdoor need good protection layer, in order to ensure its long service life

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Analysis of the wall thickness of PPR pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月15日星期二

After the installation of PPR pipe fittings how to do a good job of protection

After the installation of PPR pipe fittings how to do a good job of protection
During the installation of PPR pipe fittings, the opening of the pipeline should be sealed in time so as to prevent dirt and debris from entering the project.
Because the PPR pipe with soft texture, its mechanical strength without steel is high, so to prevent physical damage, after the installation is complete, no pipeline knock, touch, smashing, pressure, and should be covered in protective measures before concealment. Pipeline in the pipeline, in the absence of a closed to take certain measures to prevent bricks, debris, and so fell off the pipe smashed. Due to the composition of PPR pipe elements, to prevent chemical damage, installed in the outdoor or direct sunlight, to wrap the deep color of the protective layer, to prevent the sun exposure to the chemical destruction of the pipeline.
Also pay attention to the low temperature during the winter, PPR pipe if there is no good thermal insulation measures, it should be in time to blow the water in the pipeline, to prevent the pipeline from freezing.

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Improvement of surface treatment technology for PPR pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

Machining process knowledge of PVC pipe fittings

Machining process knowledge of PVC pipe fittings
1, plastic at room temperature for 24 hours after the water absorption of less than 0.02%, and therefore do not need to dry. If necessary, dry, can be put into the hot air furnace 60-70 3 hours, or 80 degrees Celsius boring machine 1-1.5 hours. Recovery of the material can be up to 20% with the new material mixture, the amount of material to be recovered after the final use of the finished product. Indiscriminate use of recovered materials can be injection molding defeat, not only to recover the ingredients too much, more reason is because the material after repeated reprocessing. Recover more than one quality to recover the more the more.
2, injection molding machine selection of UPVC pipe fittings, because the melt viscosity is big, easy to differentiation, the differentiation of products on the iron corrosion effect, its injection molding is necessary for the special plastic parts and temperature control system.
3, mold and gate planning mold temperature can be set to 40. The runner's length is shorter, the diameter is bigger, so as to reduce the pressure loss and the holding pressure can be transferred to the mold cavity. The gate as short as possible, to die section circular nozzle and the diameter of the smallest 6mm, into a 5 degree angle cone. The die surface of the stem flow channel should also be circular, which is combined with cold material well, which can be connected with the stem flow channel and the gate with the diameter of 7mm. The shape of the gate using tangential radius of convergence of plastic parts, the shorter the better, die section to smooth.

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What are the commonly used PVC drainage pipe fittings?--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月10日星期四

How to clean the pipe used in PPR pipe fittings

How to clean the pipe used in PPR pipe fittings
PPR pipe in the pipeline after the completion of construction, is the need for cleaning and disinfection, before acceptance, water supply pipeline system should carry out water flushing, from the bottom up layer by layer to open the water inlet valve or leading to flush.
Note that the time of the discharge of water can not be less than l minutes, while the water faucet or inlet valve of the plan should not be greater than the calculation of the PPR pipe section of the equivalent of 1/4. Flush after cut off the water, open the system low drain pipe inside the water vent. Then after the pipeline flush, but also with a certain amount of free chlorine in water filled pipes for disinfection, but should pay attention to the disinfection of water in 24 hours after the detention to be fully emptied.
After disinfection in the pipeline open the water inlet valve to the pipeline water supply, water in the pipe network is the most distant point to take water samples, after the health supervision departments to be delivered to the use of qualified.

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Installation and connection of PPR pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月9日星期三

What are the things that need to be paid attention to in the installation of PPR pipe fittings

What are the things that need to be paid attention to in the installation of PPR pipe fittings
PPR pipe fittings in the process of conveying water and hot water, usually used in homogeneous solution technology, and in the construction and installation of PPR pipe fittings, but also should pay attention to what?
First, the installation of PPR pipe workers must be trained, and provided by the pipe and pipe fittings, should be in line with the design requirements. Secondly, when the installation of the pipeline, attention can not be axial distortion, but also through the wall or floor, it is best not mandatory for correction. Again, the pipeline system in the process of opening the openings, but also should be timely closure blocked to prevent leakage.
In addition, when the PPR pipe fittings construction installation, but also should pay attention to meet the hot water pipe pressure levels and use occasions.

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Why PPR pipe has an absolute advantage--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月8日星期二

PPR pipe fittings, including the main points of construction

PPR pipe fittings, including the main points of construction
In the PPR pipe construction, buried pipeline ditch bottom should be smooth, not to have prominent sharp and hard objects, the size of the original soil should not be greater than 12mm, when necessary, can be covered with 100mm thick sand cushion.
Then, the backfill soil around the pipe should be filled to the top of the pipe roof above 300mm, after compaction to backfill soil, the depth of the indoor buried pipeline should not be less than 300mm. Another is to fully consider the pipeline thermal expansion effect, according to the specific situation and take necessary measures for the small caliber pipeline should be directly concealed; in surface and non concealed buried pipeline, in space permitting, as far as possible the use of free compensation; with a semi-circular metal plate reinforced pipe. There is strictly according to the welding operation procedures and other safety construction regulations.
Because the PPR pipe with different diameters under different temperature, the weld depth, heating time, insertion time has strict requirements, and are not allowed to rotate in the heating pipe and pipe fittings and the splicing process, otherwise prone to welding quality problems.

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Measurement of PPR pipe fittings and machining knowledge--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月7日星期一

Fusion joining technology of PPR pipe fittings

Fusion joining technology of PPR pipe fittings
In the process of application of PPR pipe fittings, it is necessary to fusion and convergence, and in the fusion process of PPR pipe fittings, need to follow certain procedures.
In the first case, there are many types of fusion technology of PPR pipe fittings, including welding, hot melt connection, bonding and so on. Among them, the process of hot melt connection is not a chemical reaction, but a physical process; and connecting hot melt of PPR pipe is a new type of heat pipe the same plastic PPR pipes and fittings connected connection method, requirements under specified temperature conditions, specific model. And the strength of the hot melt connection is relatively high, can be fused at both ends of the full, uniform, regular, fully integrated convergence.
There is, in the PPR pipe fusion convergence time, the temperature and time have such strict requirements, to avoid problems.

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The construction of PVC pipe laying drainage pipe requirements--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月6日星期日

Introduction about the hardness of PPR pipe fittings

Introduction about the hardness of PPR pipe fittings
PPR pipe fittings is widely used in home decoration industry in a pipe, and in the use of PPR pipe fittings, the hardness of the problem is very important.
In a variety of pipe applications, the hardness is the surface of the local volume, resistance to other hard objects produce plastic deformation capacity, usually with the tensile strength has a certain relationship. The hardness of general building materials mainly include yield strength, tensile strength, elongation and cold bending strength, etc., and the tensile strength of PPR tube including yield strength, ultimate tensile strength and fatigue strength. In today's determination of the hardness of the method will be a lot of, the most commonly used is the hardness of the general use HB.

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Characteristics and application fields of PPR pipe fittings--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月3日星期四

Need to do a good job before installing PPR pipe fittings.

Need to do a good job before installing PPR pipe fittings.
PPR pipe installation quality will affect its service life, so we must not neglect, in the installation of the relevant preparatory work before.
First of all, it should be in accordance with the design requirements of the pipe and pipe fittings and ancillary equipment to check, and should be in the construction site inspection, in line with the requirements before you can use. Then, the project mainly includes the pressure level, the external surface quality, with the quality of the consistency of the material, etc.. Again, it is to be based on the different forms of the interface, using the appropriate special heating tool. In addition, it should be used to connect the pipeline, to adopt the same grade material of pipe fittings, similar to the performance must be tested before passing the test.
PPR pipe fittings with good welding performance, pipe, pipe fittings can be used hot melt connection, convenient installation, reliable connection, the strength of the connecting part of the pipe itself is greater than the strength.

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PPR pipe fittings, including the main points of construction--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月2日星期三

PPR pipe fittings, including the installation specifications

PPR pipe fittings, including the installation specifications
When installing PPR pipe fittings, must be carried out in accordance with the regulations, because the quality of the installation of its service life has a very big impact, we will come to understand the following:
First, should the fusion site remained fused fittings and pipes and damp pipes and fittings must maintain coherence contour in dull, dirty, no oil. Second, pipe cutting must be perpendicular to the pipe axis end, and pipe cutting commonly used pipe cut, if the pipe cutting machine can be used when the important sharp saw, but cutting burr and burr pipe section should be abolished. Third, when heating, the pipe end is inserted into the heating sleeve to insert into the depth of the mark.
If the PPR is in the wear number based pipe wall, should also configure the metal casing, make your installation more assured.
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How to arrange PPR pipe fittings in construction--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年11月1日星期二

What kind of requirements for the production of PE pipe fittings

What kind of requirements for the production of PE pipe fittings
PE pipe fittings in the daily time often can see, but at the time of production, it is energy saving requirements like? Let's take a detailed look at the relevant knowledge, hope will help you!
In fact, when the production of it, mainly the "plastic extrusion, blown film extrusion, cable extrusion and many links in common is the use of open-loop control, using this method can effectively save energy, but also from the screw to traction back cut its 50m the length of the distance, so as to ensure the quality of the product, in the daily time, we can use the caliper to judge and measuring the thickness of the product is how to adjust, then.
Through the above brief introduction, I believe you should understand, with the development of society, the production of PE pipe fittings technology is constantly mature, I believe that in the future, it will have a better development.

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Flame retardant PVC pipe and accessories installation and use note--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年10月31日星期一

Welding repair method of PVC drainage fittings

Welding repair method of PVC drainage fittings
PVC drainage accessories if there is water leakage, you can choose to use the welding repair method. In the welding time to pay attention to ensure that the welding parts dry, while cleaning the surface of the dust, oil and other oils and fats, in the bonding interface welding repair, the adhesive must be removed clean welding.
PVC drainage parts Road and pipe fittings in the structural safety conditions do not affect the slight leakage, can be used PVC-U welding repair welding, ambient temperature is not less than 5 degrees celsius. Using multi-layer welding, to cool down after a period of time, and then the next layer of welding. Welding, the need to maintain appropriate temperature and pressure, the hot air temperature should be 260 degrees Celsius -290 degrees celsius. Overheating is easy to deform or carbonization, and the pressure is too high may cause the cracking of the weld after cooling.
If PVC is because the drainage fittings Dingfan apron or pipe to replace damaged pipe, the pipe should be cut off. The following 160 diameter pipeline, heat socket can be taken on-site repair, the two ends of the pipeline sawing up, both sides for chamfering. Interception of a replacement tube, will replace the ends of the tube after heating and insert cut off both ends of the pipeline and put into the ditch, then after cooling.
Flange fast docking, PVC road drainage fittings replacement parts cut ends hit groove. Take the joint four, the replacement of a section of the pipe. Four socket joints are sheathed in the two ends of the replacement pipe and cut off the PVC drainage parts at both ends, and the replacement of the set of socket joint and a good socket connector of the broken pipe flange connection.
The fast joint top double apron expansion or damaged oral sawing. Both ends of the broken pipe are sheathed with a movable sleeve flange and a rubber ring. The broken pipe flat back flange sleeve, the distance equal in broken tube ends, will looper flange and the flange sleeve with bolts.

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Why do PVC drainage fittings tan?--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年10月30日星期日

PVC-U tube how to pass through the low-lying areas

PVC-U tube how to pass through the low-lying areas
The foundation of PVC-U pipeline must have enough bearing capacity and reliable stability, otherwise, the uneven settlement of foundation will cause the wrong port, fracture, leakage and other phenomena of PVC-U pipeline. For soft soil foundation, miscellaneous fill soil foundation and so on, should take the foundation treatment measures, can refer to the standard: "water supply and drainage pipeline engineering construction acceptance code" GB 50268. Specific design should be carried out by the professional design department to ensure the safety of pipeline operation. According to the specific circumstances should be done as follows:
1, the foundation pit filling layer paved bottom, upper part of the compacted layer, then laying concrete foundation beneath PVC-U pipeline trench.
2, PVC-U pipeline crossing the Gouyan parts should add transition protection measures, such as the use of multiple short 0.8-1.0 meters transition, or casing protection.

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Performance analysis of mesh structure of PvCO pipe--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年10月27日星期四

How to improve the efficiency of PPR pipe fittings drainage pipeline

How to improve the efficiency of PPR pipe fittings drainage pipeline
In the use of PPR pipe fittings, bonding before the test is to be assembled, today, small make up for you to introduce how to improve the efficiency of PPR pipe fittings drainage pipe:
First of all, after taking length determination in PPR pipe fittings, can be hand cut with a hacksaw saw or saw blade sawing, sawing machine. Then, each layer of vertical pipe expansion joint installed one, and to compensate the countercurrent tube expansion. Again, in the installation of three links to the attention of downstream direction, to facilitate the installation of horizontal tube when the natural slope of each storey riser within 3M, consider setting up a hoop. In addition, the horizontal pipe, drainage pipe line distance should be in line with the provisions, but also should be set to check the mouth or mouth cleaning.
Above is to improve the efficiency of PPR pipe fittings and drainage pipeline related knowledge, we hope to be able to help.

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PPR pipe fittings of the fusion point why the leakage occurs--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年10月26日星期三

PPR pipe fittings construction completed testing standards

PPR pipe fittings construction completed testing standards
After the PPR pipe fittings factory construction is completed, it is necessary for its acceptance, every aspect should be in line with the standard, to ensure that it is safe to use.
1, it is necessary to conduct testing of each part, and look at the construction drawings are not consistent, or have not cut corners.
2, to check the PPR pipe pipe fittings have no debris, in order to avoid the water pressure test, the debris in the pipeline collision caused by cracks, if so, after the use of the process will occur.
3, but also to check the parts and equipment is not completely hot melt with the pipe, a lot of accidents are in the hot melt interface burst.
In addition, the PPR pipe fittings need to use the support of the support of the place, but also to check the stent is not stable enough and strong.

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Outstanding problems in the PPR pipe fittings on the market--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年10月25日星期二

The calculation method of roof gutters

The calculation method of roof gutters
Roofing downpipe layout and roof catchment area size, the maximum hourly rainfall, drainage tube diameter and other factors. Can be calculated by the following formula:
F=438D - /H
Type: F- single catchment area (downpipe allowed level projection area, m)
D- (cm, the square downpipe diameter area can be converted)
H- maximum rainfall per hour (mm/h, provided by the local meteorological department)
In engineering practice, the distance between the roof gutters (gutter water distance) should be 10-15m. When calculating the spacing is greater than the applicable space, should be set according to the applicable distance when calculating the downpipe; spacing is less than the applicable distance, according to the calculation interval setting downpipe.

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UPVC spiral drainage accessories application needs to pay attention to the problem--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年10月24日星期一

What are the standards for the design of a square rain water pipe?

What are the standards for the design of a square rain water pipe?
The application of square rain water pipe in our lives more and more widely, and its design is directly related to the quality of the construction, so what are the standard square rain water pipe in the design? Let's see it!
Storm intensity, is refers to the rainfall process, a continuous period of rainfall
2 drainage area, a square pipe to collect rainwater in rain area.
The 3 bottom surface catchment time, refers to the water to reach the starting point from the time of discharge pipe boundaries.
4 runoff coefficient is the ratio of rain water and total amount of rain water flowing into the pipeline.
5 the return period of the rainstorm is the average time interval of the occurrence of the rainstorm intensity equal to or greater than the prescribed time.
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Construction procedure of square rain water pipe--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年10月13日星期四

Pipeline connecting ring type and card type what is the difference?

Pipeline connecting ring type and card type what is the difference?
PVC pipe ring pressure connection, is a kind of cold extrusion by means of pipes and pipe fittings connection sealing way, it is the bell will advance a sealing ring pipe insert, from the external connection section of the socket to put pressure on the week. Pressing, connection socket together with the insertion of the pipe together under the concave deformation after locking the lock, so as to realize the effective connection method of sealed pipes and fittings.
1 compression ring joint
The ring pressure connecting pipe is inserted into the socket of the pipe with a rectangular sealing ring in advance, and the stable section and the sealing section of the socket are pressed by the outside. Pressing, stable segment socket insert pipe together with concave deformation after being locked with locking; movement and deformation in the cavity to fully fill the gap between the pipe and pipe sealing material makes the pressure of the sealing section at both ends, so as to achieve effective sealing pipe and fittings.
2 card type connection
Card type is connected with the sealing ring socket pipe connecting pipe, with special tool press and a pipe connection sealing and fastening function. The basic composition of press fitting is a special shape at the end of >U type O type sealing ring is arranged in the groove of the pipe connector. When assembled, the stainless steel pipe is inserted into the pipe, using special tool pressure seal sealing pressure, sealing pipe, pressure part of the tube is extruded into hexagonal, thus forming the corresponding connection strength, at the same time as the ring compression deformation of the sealing function. The pipe fitting cost is low, the project installation is simple, the construction speed is quick.
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The information of these PE tubes is wrong.--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年10月12日星期三

Avoid the 3PE anticorrosive layer tube side appear warped edge of what measures?

Avoid the 3PE anticorrosive layer tube side appear warped edge of what measures?
Three layer polyethylene coating (3PE) has excellent comprehensive properties of fusion bonded epoxy powder coating and extrusion two polyethylene anticorrosive coating, interfacial properties of fusion bonded epoxy powder coating and chemical resistance properties, combined with polyethylene coating extrusion mechanical protection characteristics, thereby significantly improving their performance. Therefore, the outer protective layer of the buried pipeline is very superior. Three layer PE can make the life of the buried pipeline up to 50 years, at present, in the world is considered to be the most advanced pipeline external corrosion protection technology. In China, the three tier PE has been the first to be applied in the oil and gas system. Chinese has built the Shaanxi Beijing gas pipeline and Korla Shanshan oil pipeline, the recent national key project west east gas pipeline nearly 4000 kilometers are adopted three layers of PE external coating.
1 epoxy powder coating is reserved only to protect the integrity, in order to delay the pipe end due to corrosion caused by the edge of the. With the wire wheel grinding way of domestic polyethylene pipe end groove processing, can damage the epoxy powder coating. Should use mechanical chamfering edge to the bottom, the cutting depth limiting device to control the tool, so as not to hurt the epoxy powder coating.
2 without affecting the mouth welding conditions, should be appropriate to increase the reserve length polyethylene layer end epoxy powder, can prevent steel long stack, 3PE anticorrosive pipe end metal corrosion caused by alice.
3 strict control of the pipe end of the weld residual high repair quality. In the weld slope and the pipe body as polyethylene outside the other parts, the epoxy powder retention length >20mm, to prevent Weld Epoxy Corrosion Caused by bottom first 3PE anticorrosion layer alice.
4 anti-corrosion pipe in the open air for a long time, should be covered at the pipe end to prevent rain erosion, resulting in serious corrosion of the pipe.
5 if the pipeline site construction period is longer, can be in the tube end metal exposed to paint can be welding rust proof paint, in order to prevent corrosion protection pipe in the storage period due to corrosion caused by 3PE anti corrosion layer edge.
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what Connection PE pipe fittings need to pay attention --Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年10月11日星期二

PVC pipe fittings after the production of the work

PVC pipe fittings after the production of the work
After successful PVC pipe production, has been tested and qualified, what to do after the PVC pipe production success, the need to do the main steps are signs, packaging, transportation, storage.
PVC pipe fittings shall not be less than two permanent mark.
Mark should at least include the following contents: product name should be marked: (PVC-C) (PVC-U) non drinking water or drinking water; size: nominal pressure, nominal diameter and wall thickness of the site; production plant; the standard number; the production date and so on, is the main parts, one should basically understand.
Packaging: according to customer requirements, according to customer requirements for different packaging, but also have to take into account whether the packaging of the pipe fittings with the role of protection.
Transport: pipe during transportation, not exposure, stain, stress and damage; protective measures must be skilled in the transport process.
Storage: the pipe should be reasonably stacked, away from the heat source. Stacking height does not exceed 1.5m. Expanded mouth parts staggered to avoid extrusion deformation, when the open storage, must be covered to prevent exposure.

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Material properties of PVC pipe with high impact resistance--Pvc fittings and pipe supplier and manufacturer - A best pvc fittings supplier and manufacturer in china

2016年10月10日星期一

Repair method of PVC pipe drainage pipe leakage

Repair method of PVC pipe drainage pipe leakage
PVC pipe is widely used in the family, but in the kitchen, toilet, balcony through the concrete floor, it is often because of hot and cold climate temperature pipeline gap, large flow drainage vibration and make PVC pipe cracks, more obvious leakage, it has become a common problem plagued the minds of people. Below, by professional manufacturers to introduce you to repair the PVC drainage pipe leakage method.
In order to solve the leakage of the PVC pipe fittings over the concrete floor, a new type of patent production - the end of leakage section has been invented. Stop festival to fill the original leakage check reform method is easy to aging, variable type, poor sealing effect, with a one-time installation, pore plugging, convenient, material saving, etc.. It can not only complete the leakage, but also can discharge the floor drain, with reliable technology, durable, low construction cost and so on. And the performance of the check and drain section is stable and reliable, and the cost of replacing the PVC pipe fittings and the service life of the product are reduced.
Above is the expert to introduce you to repair the PVC drainage pipe leakage of knowledge, hope to be helpful to your daily life!

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