1.流線(xiàn)型,明桿帶支架 1.Streamline outside screw and yoke 2.中法蘭螺栓連接 2.Bolted bonnet 3.活套連接閥瓣 3.Loose disc 4.升降閥桿與手輪 4.Rising stem and hand wheel 5.支架與閥蓋一體式 5.Yoke integral with bonnet 6.傘齒輪的操作選配 6.Avail able with gear operator 7.標準法蘭連接 7.Flanged ends
國標法蘭截止閥產(chǎn)品規范 Product Specification
不銹鋼法蘭截止閥
產(chǎn)品規范
Product
Specification
設計規范
Design Spec
結構長(cháng)度
Face to Face
連接法蘭
Flanged End
試驗與檢驗
Test &Check
壓力-溫度Pressure-Temp
產(chǎn)品標識Marking
供貨規范
Supply
GB/T 12235
GB/T 12221
JB/T 79
JB/T 9092
GB/T 9131
GB/T 12220
JB/T 7928
國標法蘭截止閥主要零部件材料 Main Part Material
零件名稱(chēng)
零部件材料Part Material
Part Name
閥體/閥蓋
WCB
ZGCr5Mo
ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti
Body/Bonnet
閥瓣
WCB
25Cr2MoV
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
Disk
閥桿
2Cr13
25Cr2MoV
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
Stem
填料
柔性石墨/ Flexible Graphite
聚四氟乙烯/PTFE
Packing
墊片
18-8柔性石墨/18-8Flexible Graphite
Gasket
螺栓
35/35CrMo
25Cr2MoV
1Cr18Ni9Ti
1Cr18Ni9
Bolt
適用溫度
-29~425℃
-29~425℃
-40~200℃
-40~200℃
Suitable Temp
適用介質(zhì)
水,油品,蒸汽
Water,Oil,Steam
蒸汽,油品
Steam,Oil
硝酸類(lèi)
Nitric Acid
醋酸類(lèi)
Acetic Acid
Suitable
Medium
主要外形和連接尺寸Main External And Connection Dimension 單位Unit:mm