GRP high-pressure pipe made in China

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Shanghai
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0 m
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10000 m/month

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Description of GRP high-pressure pipe

GRP or FRP pipework is manufactured in accordance with BS 7159, with structural, chemical and thermal properties being dictated by the type of resin selected by Plastichem specialists.
GRE pipe systems with filiament wound construction provide higher mechanical strength with lower cost.

The most common resin type specified is a Vinylester Epoxy which has excellent chemical resistance to a broad range of chemicals. 
Plastichem design experts can offer stress analysis on all GRP pipework. Stresses are reduced where necessary by increasing laminate thicknesses, increasing leg lengths and adjusting support distances and clamp positions.
The internal corrosion barrier can be varied to suit the application and abrasion resistant GRP linings are also available for flue gas slurry handling. 
Manufacture of the pipe is by mandrell winding of chopped strand glass fibre or by filament winding. Elbow and tee fittings are moulded and then joined to the pipe where required.

One of the benefits of this system is that sections can be pre-fabricated in the factory and then site joined. This method minimises site work and elliminates flanged joint connections. 
GRP piping can be coloured externally for line identification, UV and fire resistant properties can be enhanced with additional resin coats.

 

Main Features of GRP high-pressure pipe

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

 

Specifications of  GRP high-pressure pipe

 Diameter:DN38-600mm

 Pressure:PN35-250 bar  

 Standard length:9m-12m,

 Execute standard:SY/T6267-1996, API 15HR/15LR 

Applications of GRP high-pressure 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 high-pressure pipe

 

GRP high-pressure pipe made in China

GRP high-pressure pipe made in China

GRP high-pressure pipe made in China

 

FAQ

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:Characteristics of FRP pipes
(1) corrosion resistance: chemically inert material, excellent corrosion resistance, and can choose different corrosion resistant pipes according to the transmission medium.(2) strong mechanical strength: good water pressure resistance, good resistance to external pressure and impact strength, and piping and fittings can be designed according to the required pressure.(3) temperature adaptability: the use of temperature range: greater than -70 degrees Celsius, less than 250 degrees Celsius, under the freezing medium, the pipe is not split.(4) the resistance of the fluid is small: the pipe wall is smooth, the roughness coefficient is 0.0084, and the pipe diameter can be reduced under the same flow rate.(5) light weight, long life: light quality, convenient transportation, low construction cost, no maintenance, and the service life of more than 50 years.(6) maintain the water quality: non-toxic, conveying drinking water, can maintain long-term water quality sanitation. The application of FRP: the drinking water distribution pipe and line pipe conveying
Q:FRP acceptance standard
Perform hydrostatic test. In order to comprehensively check the installation quality of pipes, the pressure test shall be carried out according to the test methods stipulated in the code for construction and acceptance of water supply and drainage pipe works, and the allowable seepage water quantity shall be carried out according to the standards of the steel pipe.
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?
Foam with polyurethane, and buy their own back, do it yourself.
Q:What are the standards for FRP pipes?
The pressure test pump passes directly through the test hole on the top of the pipe. The water pressure of the pipeline working pressure of 1.5 times after the pump stops (during the operation to open the drain valve exhaust), observation of 2min, the pressure drop value does not exceed the test pressure and the nozzle 5%, no leakage, nozzle pressure test is qualified. If the pressure drop is relatively fast, it shows the sealing effect is not good, to re install, to ensure that the FRP pipe pressure test system overall success.
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 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:What are the advantages of glass fiber reinforced plastic sand pipe than HDPE pipe?
Advantages of FRP pipes:1, insulation, acid, alkali and salt corrosion, antistatic, rust, aging is not easy, the service life of up to 50 years.2, non-magnetic, non electrical corrosion, waterproof performance, and can be used in humid environment or water for a long time without deterioration.3, high strength, is the same degree of the original PE pipe is more than 6 times, light weight, smooth wall, perforated cable when the friction coefficient is small, no cable operation.4, heat resistance, antifreeze, fire protection, fire retardant type. It can be used for a long time at -35 ~ 139 degrees celsius.5. The bending modulus is good, the impact resistance is strong, and it solves the defects of metal tube easy to decay and no distortion and elasticity.6, the cable across the bridge and across the river, the use of glass fiber reinforced plastic catheter is more economical and appropriate.7, construction and installation is very simple, no need to tie steel, pouring concrete.
Q:Do I need CCC certification for ventilated GRP?
The air duct is made of 10MM thick fiberglass pipe, and the design of the air duct is wrong. The FRP pipe is developed for fire control and smoke exhaust.
Q:The outer thermal protection layer of the pipeline is made of GFRP. Which guy knows the construction method?
One is to finish insulation wrap (Qin material cloth) and then wrapped a layer of glass paper....... The other is a glass lined steel pipe outside the pipe and then foamed and insulated inside
Q:What is the standard of flange coefficient for FRP ducts?
Negotiations did not consider, people reported flange you have to consider, 15% below have been used to see your negotiating skills, there is no standard specification! The above said I have used, and now I generally talk about n yuan / square meter, including the wind pipe, pipe fittings, flanges and valve components to connect the flange are included in

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