GRP pipe made in China

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Description of GRP pipe

GRP pipe made in China       


Main Features of GRP pipe

light weight and high strength, anti-ageing, aesthetically pleasing appearance, environmental friendliness


Specifications of  GRP pipe


 Pressure: PN6-25bar

Standard length:6m , 12m,

Execute code: JC552 ,ASTMD2996, AWWA C950 BS


Applications of GRP pipe

1.Chemical medium transportation pipe
2.Various producing process pipe (chemical process, paper making process, polluted water treatment process, sea water purifying process, food and drink producing process, and medicine producing process)
3.Pressure pipe for small hydroelectric power station on the ground and cycling pipe for power plant
4.Polluted water collecting and transporting pipe
5.Drink water transporting main line and tubing pipe
6.Oil field water injecting pipe and oil transporting pipe
7.Heat transporting pipe and sea water transporting pipe
8.Agricultural irrigation pipe
9.FRP set (ventilation, air-conditioner, chimney, cleaner) and piping
10.Gas drainage pipe for mine 

IMages of GRP pipe


GRP pipe made in China

GRP pipe made in China

GRP pipe made in China



1, How to choose the pipe materials of GRP?

Generally speaking, the choice of RPMP should consider the groundsill and soil of RPMP. When the design of pipeline has the full reconnaissance design, geology situation, and hydrology situation, we should choose according to the AWWA-C950 standard. For the using factories, they can supply such data to the manufacturer, and the manufacturer can carry out the design and produce the qualified pipe materials according to the buyers’ demand.


2, The notice of ordering to the GRP pipes?

General booker should define the following questions including using condition:

1). The structure length of the fixed length RPMP is 1.2m. However, in the real lay project, the spigot and socket joint is adopted, the pipe’s using quantity should be calculated by the pipe’s effective length. Generally speaking, the effective length of 1.2m fixed length pipe: 300-DN1200 is 11.74m, DN1300-DN1500 is 11.679m and DN1600-DN2600 is 11.613m.

Eg: if we lay the straight pipe section for length 1000m, the quantity of fixed length pipe with effective length 11.74 is 1000m÷11.74m/piece≈85pieces.

2). In order to meet the buyer’s demand, manufacture can produce the unfixed length pipe. Generally speaking, RPMP can produce various pipes of any length (≤12m). But it must consult the manufacturer’s suggestions. Generally speaking, the manufacturer can supply the unfixed length pipes with 3m, 4m, 5m, 6m, 8m, and 12m.


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Q:Can FRP pipes be used in heating pipes?
FRP pipes are generally not used in heating pipes, because the use temperature of FRP pipes is limited, as detailed below:1. universal unsaturated polyester FRP can only be used for less than or equal to 60 degrees (HG/T20696-1999)2. bisphenol A unsaturated polyester FRP can only be used for less than or equal to 100 degrees HG/T20696-1999)3. vinyl unsaturated polyester glass fiber can only be used for less than or equal to 120 degrees HG/T20696-1999)4. epoxy FRP can be used for less than or equal to 90 degrees HG/T20696-1999)5. glass fiber reinforced plastic sand holding pipes can only be used for less than or equal to 50 degrees (GB/T21238-2007)
Q:Are FRP pipes still developing?
I graduated last year and like you, stay two months left, glass steel pipeline buried pipe still have comparative advantages, but in Chinese, the quality of the products before this, after all, as the steel pipe is reliable, now doing chemical, water treatment, rarely encountered glass steel pipes, steel pipes generally do not. PVC, most used, the cost is much lower than the glass steel
Q:Which is better, PVC pipe and GRP pipe?!
To see the composition of your gas, fiberglass can be chosen according to the requirements of different resins for corrosion protection, and PVC for some gases are not corrosion-resistant,
Q:What are the standards for FRP pipes?
To install FRP pipes, first check the radial deflection of the GRP pipe. In accordance with the requirements of the specification, the FRP pipe shall be tested within 24 hours after the completion of the installation to test whether the initial radial deflection of the pipe installed is deformed and whether the pipe has occurred in the case of bulge, flat and other mutations.
Q:What are the disadvantages of glass fiber reinforced sand pipe?
Glass reinforced plastic sand pipe is mainly to increase the rigidity of the pipe, the relative wall thickness of pure glass steel tube, low compressive strength, shock resistance decreased.
Q:FRP duct material plan is how to mention?
Multi plan square, but also according to the combination of site and construction drawings, to see how much
Q:What are the differences between FRP pipes and sand pipes in their uses?
Glass fiber reinforced plastic sand pipe is mainly used for conveying medium and low pressure water, raw water and sewage.
Q:There is a gap between the new glass fiber reinforced plastic pipe and its through wall. How can the plug be prevented from leaking through the cracks around the pipe?
Large glass fiber reinforced plastics plants such as the United States and Asia, with FRP through the cabin, can be used to solve your problem, the gap is filled with special blowing agent. In this way, the continuity of FRP material can be guaranteed.
Q:What is the compressive strength of all kinds of FRP materials?
Anti fouling and anti moth: unsaturated polyester resin surface clean and smooth, will not be ocean or sewage in the shellfish, fungi and other microorganisms stained, moth, so as to increase roughness, reduce water cross section, increase maintenance costs. FRP pipes are free from these pollution and are clean for a long time. At the same time, because of its smooth inner wall and excellent corrosion resistance, it will not cause scale and microbial growth, effectively guarantee water quality and maintain the stability of water resistance. But the traditional pipe still exist after water resistance increases and the surface fouling phenomenon.
Q:How much is a glass fiber reinforced plastic sand pipe socket pipe fitting?
Glass reinforced plastic sand pipe can increase rigidity by adding sand layer to the middle layer of pipe wall, which can meet any reasonable rigidity requirement of users. Another advantage of gfrpmp stiffness is bending deformation ability is very strong, for example, glass steel 5000Pa stiffness of sand in deformation of 20% cases, no delamination damage, and after unloading can restore the concrete pipe due to large deformation may be unable to bear have broken gfrpmp ring 150MPa ~ to the apparent flexural strength 450MPa, tensile and compressive and flexural strength of the concrete pipe were borne by steel and concrete, the apparent flexural strength is still far below the gfrpmp, only 8.5% ~ gfrpmp 26%. Generally, the service life of the drained glass fiber reinforced plastic sand pipe can be more than 50 years, and it is more than 2 times that of reinforced concrete pipes and other drainage pipes.

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