1.All the components are forged ones. 2.Lower-loading Stem and backward sealing construction have been setup for positive sealing at stuffing position and backing-out protecting of the handle. 3.Interbedded valve seat is applied on whose bace RO-ring is also mounted for avoiding the leakage of medium.
主要零件材質(zhì)表 Main Parts and Materials
零件名稱 Accessory name
材 質(zhì) Material
GB
ASTM
閥體、閥蓋 Body,bonnet
WCB
A216-WCB
密封圈 Sealing Ring
尼龍 Nylon
尼龍 Nylon
球體 Ball
1Cr18Ni9Ti
SS 304
閥座、閥桿 Seat、Stem
2Cr12
A246-416
O形圈O ring
橡膠 RUBBER
橡膠 RUBBER
雙頭螺柱 Dual-head double-screw bolt
35CrMoA
A193-B7
主要性能規(guī)范 Main Performance Specification
公稱壓力 PN(MPa) Nominal diameter
試驗(yàn)壓力 Test pressure(mpa)
殼體 Shell
高壓液密封 High-pressure liquid sealing
低壓氣密封 Low-pressure hermetic sealing
16.0
24
17.6
0.6
32.0
48
35.2
適用溫度 Applicable temperature
-40~80℃
適用介質(zhì) Applicable medium
水、油品、氮?dú)狻睔?、氫氣液化氣? Water, oil products, nitrogen, ammonia, hydrogen, and liquefied gas, etc.