PVC to Water pipe It is based on sanitary grade polychlorine Vinyl resin As the main raw material, add a certain amount of stabilizer, lubricant, filler, color enhancer, etc Plastic extruder Extrusion molding and injection molding machine injection molding , a kind of water supply pipe produced by cooling, curing, shaping, inspection, packaging and other processes
PVC water supply pipes are Φ 20 Φ 25, Φ 32, Φ 40, Φ 50, Φ 63, Φ 75, Φ 90, Φ 110, Φ 125, Φ 140, Φ 160, Φ 180, Φ 200, Φ 225, Φ 250, Φ 280, Φ 315, Φ 355, Φ 400, Φ 450, Φ 500, Φ 630, Φ 720, Φ 800, etc. The pressure of PVC water supply pipe is expressed as Nominal pressure , expressed in Mpa. The nominal pressure is 0.63Mpa, 0.8Mpa, 1.0Mpa, 1.25Mpa, 1.6Mpa, etc. The * * * * of each pressure zone is specified as: the * * * of 0.63Mpa pipe is 63mm, the * * * of 0.8Mpa pipe is 50mm, the * * * of 1.0Mpa pipe is 40mm, the * * * of 1.25Mpa pipe is 32mm, and the * * of 1.6Mpa pipe is 20mm and 25mm. The pipe length is generally 4m, 6m and 8m, which can also be determined by the supplier and buyer through consultation.
(1) The pressure shown on PVC water supply pipeline is nominal pressure, which is expressed in Mpa. 1Mpa ≈ 10kgf/cm2 is the working pressure of the pipe conveying medium at 20 ℃. However, the working pressure decreases with the increase of the medium temperature (the medium with a temperature of>50 ℃ shall not be transported), which objectively requires consideration of the safety factor of sufficient pressure when selecting the water supply pipeline
(2) The nominal pressure of water supply pipes is specified as: 0.6Mpa, 0.8Mpa, 1.0Mpa, 1.25Mpa, 1.6Mpa, etc.
(3) The nominal pressure of pipes of the same specification is generally divided by the pipe wall thickness.
(4) The * * * * of each pressure zone is specified as: the * * * of 0.6Mpa pipe is 63mm, the * * * of 0.8Mpa pipe is 50mm, the * * * of 1.0Mpa pipe is 40mm, the * * * of 1.25Mpa pipe is 32mm, and the * * of 1.6Mpa pipe is 20mm and 25mm.
(5) The nominal pressure of water supply pipes is generally 1.6Mpa, and it is matched with pipes of various pressures.
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