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FAQ

What are FRP pipes?

The pipe wall structure reasonable and advanced, can give full play to the role of material, to meet the premise of use strength, improve the rigidity, ensure the stability and reliability of the product.

How to connect glass fiber reinforced plastic sand pipe?

Socket connection is one of the main connecting type of underground pipelines, the use of double "O" type sealing ring connection, the two sealing rings, the socket has pressure test mouth, the installation must be made up and mouth pressure test in the two ring between each interface can be arranged near side pressure test the test pressure, by design, water consumption is very small, the duration is 3 ~ 5min, with no leakage for qualified, ensure that each of the seal effect to ensure that the entire pipeline system overall pressure test success.

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.

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?

Through wall holes, made of other materials, wall fittings, ship wall fittings and glass fibre reinforced plastic pipes, flanges or other forms of connections are used, which may be referred to the application of the components of the ship piping;

What is the thickness of all types of FRP pipes?

Glass fiber reinforced plastic pipe is also called glass fiber winding sand pipe (RPM pipe). Mainly to the glass fiber and its products as reinforcing material, polymer composition of unsaturated polyester resin, epoxy resin as basic material, quartz sand and calcium carbonate and other inorganic non-metallic particles as filler materials as the main raw material.

What's the difference between glass fiber reinforced plastic pipe and glass fiber reinforced sand pipe? What kind of material is good?

There are two main functions of glass fiber reinforced plastic sand adding, one is to improve the rigidity, the other is to reduce the cost. These two aspects just agree with the municipal, the dosage is large, the pressure is low, and the underground and maintenance are few.

Are there any differences between FRP pipes and FRP pipes?

The mechanism glass magnesium composite pipe is made of glass cloth, magnesium and earth, which is hard to burn. The glass fiber reinforced plastic pipe is made of glass cloth and resin, and it is inflammable and light in weight.

Winding method of glass fibre reinforced plastic pipeline anticorrosive glass fiber cloth

When the length and width of glass fiber mesh are not enough, the method of lap joint must be adopted to improve the tangential bearing capacity of the joint, so as to effectively overcome the radial tensile stress, bending force and bending shear stress. The lap length of the glass fiber cloth at the joint is generally 50 to 100mm, and the joint of each glass fiber cloth should be at a certain distance from the adjacent joint. The longitudinal and transverse joints between adjacent layers shall be greater than 300mm, and the distance from the same seam shall not be less than 500mm.5) paste made of circular duct, glass cloth along the radial 45 degree angle to the direction of cut cloth; conical paste products, according to the fan-shaped cloth.