Y42X Water Pressure Reducing Valve, Cast iron, Ductile iron, WCB
Key Specifications / Features
Detail Information
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Y42X Diaphragm pressure reducing valve Feature
Y42X Diaphragm pressure reducing valve is direct acting diaphragm spring structure,Y42X Diaphragm pressure reducing valve mainly consists of adjusting spring, diaphragm, piston, seat, disc and other parts.The pressure downstream of the diaphragm can be directly sensed to drive the disc, and the Y42X Diaphragm pressure reducing valve opening can be controlled to realize pressure reduction and pressure stabilization.Y42X Diaphragm pressure reducing valve can replace the conventional sectional water pipe and save equipment in the cold and hot water supply system of urban buildings and high-rise buildings.Y42X Diaphragm pressure reducing valve can also be in the usual hot and cold pipeline.
Y42X Diaphragm pressure reducing valve is suitable for pipelines of water and non-corrosive liquid media. -
Y42X Diaphragm pressure reducing valve structure
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Y42X Diaphragm pressure reducing valve technical parameter
Note:Shell test does not include diaphragm and roof.Nominal pressure（MPa） 1.0 1.6 2.5 Shell test pressure（MPa） 1.5 2.4 3.75 Seal test pressure（MPa） 1.1 1.6 2.5 Max. Inlet pressure（MPa） 1.1 1.6 2.5 Outlet pressure range（MPa） 0.2-0.8 0.2-1.0 0.4-1.6 Pressure characteristic deviation（MPa）△P2P GB12246-1989 Flow characteristic deviation（MPa）△P2G GB12246-1989 Max. Pressure difference（MPa） 0.15 0.15 0.15 Leakage Level 0 m L/min -
Y42X Diaphragm pressure reducing valve Flow coefficient
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 500 Cv 1 2.5 4 6.5 9 16 25 36 64 100 140 250 400 570 780 1020 1500 -
Y42X Diaphragm pressure reducing valve main material
Part Name Part Material Body/Bonnet/End bonnet WCB/Cast iron/Ductile iron Seat 2Cr13/ Cylinder sleeve 2Cr13/Copper Piston Cast iron Guide valve seat / stem 2Cr13 Main valve spring 1Cr18Ni9Ti Guide valve sprig 50CrVA Regulating spring 60Si12Mn -
Y42X Diaphragm pressure reducing valve outline dimension
DN Outline dimension (PN1.6-2.5Mpa) Unit(mm) L H Hl 15 160 225 90 20 160 265 98 25 180 265 110 32 200 265 110 40 220 320 125 50 250 320 125 65 280 325 130 80 310 385 160 100 350 385 170 125 400 430 200 150 450 430 210 200 500 560 240 250 650 690 290 300 800 800 335 350 850 880 375 400 900 980 405 450 900 1100 455 500 950 1130 465
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