法蘭式截止閥

設(shè)計與制造 Design and Manufacture

結(jié)構(gòu)長度
Face To Face

法蘭尺寸
Flange Dimension

壓力-溫度 Pressure Temperature Lating

試驗-檢驗 Inspection And Test

GB122235

GB12221

GB9113 JB79

GB9131

GB/T13927 JB/T9092

公稱壓力NominalPressure

1.6

2.5

4.0

6.4

10.0

16.0

強度試驗 Shell Test

2.4

3.8

6.0

9.6

15.0

24.0

水密封試驗 Water Seal Test

1.8

2.8

4.4

7.0

11.0

18.0

上密封試驗Backseat Test

1.8

2.8

4.4

7.0

11.0

18.0

氣密封試驗 Air Seal Test

0.5-0.7

體、蓋、板 Body Cover Disc

閥桿
Stem

密封面 Sealing Face

墊片
Sealing　Shim

填料
Packing

工作溫度℃ Working Temperature

適用介質(zhì)Suitable Medium

WCB

2Cr13

13Cr

STL

木體材料

With Body

Material

尼龍

Nylon

增強柔性石墨

Enhanced Flexible Graphite

13Cr/柔性石墨

1Cr13/Flexible Graphite

08軟鋼

08 Soft Steal

0Cr18Ni9Ti

0Cr17Ni12Mo2Ti

XD550F（T）

PTFE

柔性石墨

增強柔性石墨

Flexible Graphite

Enhanced Flexible Graphite

SFB/260

SFP/260

PTFE

≤425

水

蒸汽

油品

Water

Steam

Petroleum

Ptoducts

WC1

38CrMoAl

25Cr2MoV

≤450

WC6

≤540

WC9

≤570

C5 C12

≤540

ZGCr5Mo

≤200

肖酸類Nitric acid

ZG1Cr18Ni9Ti

1Cr18Ni9Ti

≤200

醋酸類Acetic acid

ZG1Cr18Ni12Mo2Ti

1Cr18Ni12Mo2Ti