執(zhí)行標(biāo)準(zhǔn) Administer Standard

種類

Type設(shè)計(jì)與制造

Design And

Manufacture結(jié)構(gòu)長(zhǎng)度

Face to face法蘭尺寸

Flange Dimension壓力-溫度

Pressure

Temperature Lating試驗(yàn)-檢驗(yàn)

Znspection And Test旋啟式止回閥

Swing Check ValveBG12236GB12221GB9113

JB79GB9131GB/T13927

JB/T9092升降式止回閥

Lift Check ValveGB12235<壓力試驗(yàn)MPa Pressure Test

公稱壓力

Nominal Pressure1.62.54.06.410.016.0強(qiáng)度試驗(yàn)

Shell Test2.43.86.09.615.024.0水密封試驗(yàn)

Water Seal Test1.82.84.47.011.018.0氣密封試驗(yàn)

Air Seal Test0.5-0.7<主要零件材料及性能 Main Part Materials and Property

體、蓋、瓣

Body Cover Disc閥桿

Stem密封面

Sealing Face墊片

Sealing Shim密封面

Sealing Face工作溫度℃

Working

Temperature適用介質(zhì)

Suitable MediumWCBWCB1Cr13增強(qiáng)柔性石墨

1Cr13/柔性石墨

不銹鋼/耐酸石棉

PTFE

齒型墊片

Enhanced Flexiblo

Graohite

1Cr13/ Flexiblo

Graohite

Stainless Steel/Acid-

proof Asbestos

Tooth profile gasket13Cr

STL

本體材料

With Body

Material

PTFE

尼龍

Nylon≤425水 蒸汽 油品

Water

Steam