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弹簧薄膜式减压阀Y42X原理 弹簧薄膜式减压阀Y42X主要由调节弹簧、膜片、活塞、阀座、阀瓣等零件组成。减压阀利用膜片直接传感下游压力驱动阀瓣,控制阀瓣开度完成减压稳压功能。该直接作用弹簧薄膜式减压阀在城市建筑、高层建筑的冷热供水系统中,可取代常规分区水管,节省设备。也可在通常的冷热水管网中,起减压稳压作用。该直接作用弹簧薄膜式减压阀调压、稳压动作平稳,适用于水和非腐蚀性液体介质的管路。 弹簧薄膜式减压阀Y42X指标
弹簧薄膜式减压阀Y42X连接尺寸
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Spring diaphragm reducing valve Y42X principle
Spring diaphragm reducing valve Y42X is mainly composed of a regulating spring, diaphragm, piston, valve seat, valve and other parts. Pressure reducing valve with diaphragm direct sensing downstream pressure actuated valve, control valve opening degree complete decompression function. The direct effect of spring diaphragm reducing valve in city construction, high-rise building hot and cold water supply system, can replace the conventional partition pipe, saving equipment. Also available in the usual hot and cold water pipe network, pressure reducing and stabilizing role play. The direct effect of spring diaphragm reducing valve voltage regulator, steady movement, applicable to water and non corrosive liquid medium pipeline.
Spring diaphragm reducing valve Y42X index
Nominal pressure ( Mpa ) 1 1.6 2.5
Shell test pressure ( Mpa ) 1.5 2.4 3.75
Seal test pressure ( Mpa ) 1 1.6 2.5
Maximum inlet pressure ( Mpa ) 1 1.6 2.5
Outlet pressure range ( Mpa ) 0.2-0.8 0.2-1.0 0.4-1.6
Pressure characteristics derivation ( Mpa )Δ P2P GB12244-1989
Flow characteristics derivation ( Mpa ) P2G GB12244-1989
Leakage volume 0
Working temperature of 0℃ -80 ℃
Spring diaphragm reducing valve material Y42X
Part name part material
Valve cover bottom cover WCB
Valve seat 2Cr13
Valve 2Cr13
Stem 2Cr13
Cylinder liner 2Cr13/25 ( hard chromium plating )
Piston 2Cr13
O ring rubber Ding Jing
Rubber sealing ring Ding Jing
Diaphragm fabric nitrile rubber
Adjusting spring 60Si2Mn
Spring diaphragm reducing valve flow coefficient ( Y42X Cv )
DN 1520253240506580 100125150200250300 350400500
Cv 12.54 6.5916253664100140 2504005707801020 1500
Spring diaphragm reducing valve Y42X connection dimensions
Nominal diameter of DN shape size
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