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Safety overflow valve AY42H/HA802Y

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Safety overflow valve AY42H/HA802Y

本阀在系统中起泄压 ;ぷ饔 。当系统压力超过划定值时 ,阀门汀开 ,将系统中的一部吩禅体排入大气 ,使系统压力不超过允许值 ,从而保障系统不因压力过高而发滋变乱 。本阀的重要参数是排量 ,这个排量决定于valve seat的口径和valve disc的开启高度 ,由开启高度分歧 ,又分为微启式和全启式两种 。微启式是指valve disc的开启高度为valve seat喉径的1/40~l/20 。全启式是指valve disc的开启高度为valve seat喉径的1/4 。 本阀合用于城建、化工、冶金、石油、造药、食品、饮料、环保 。

Product drawing

Product drawing.png

Product dimensions

modelNominal Diametersize
DNDD1KMZ-?dbLL1Rc≈H

AY42H-160/250/400

151359525M48×24×2225651401"329
2016511530M52×26×2628801501 1/2"447
2520014538M80×36×2940901802"485
3222517042M100×36×-33501002002 1/2"570
modelNominal Diametersize
DNRcZGLL1≈H
YA802Y-600151/2"1/2"5290250
251"1"52113275
4011/2"11/2"52157336

Technical Documentation

1.execution standard:GB/T 12243-2021

2.Structural length standard:GB/T12221-2005

3.Flange Standard:GB/T9113.1-2000

4.试验尺度:GB/T13927-2022

Product Parts List

serial numbernamematerial
1valve bodycarbon steel
2valve seatstainless steel
3valve discstainless steel
4valve coverwelded assembly
5spring50CrVA


Related Information

Wenbao Valve Co., Ltd

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