J41H法兰高压截止阀
面议
法兰高压截止阀的启闭件是塞形的阀瓣，密封面呈平面或锥面，阀瓣沿流体的中心线作直线运动。阀杆的运动形式，有升降杆式(阀杆升降，手轮不升降)，也有升降旋转杆式(手轮与阀杆一起旋转升降，螺母设在阀体上)。截止阀只适用于全开和全关，不允许作调节和节流。
法兰高压截止阀执行标准 Administer Standard
|
设计与制造 Design and
Manufacture
|
结构长度
Face To Face |
法兰尺寸
Flange Dimension |
压力-温度 Pressure
Temperature Lating
|
试验-检验 Inspection And
Test
|
|
GB122235
|
GB12221
|
GB9113 JB79
|
GB9131
|
GB/T13927
JB/T9092
|
法兰高压截止阀压力试验 Pressure Test
|
公称压力NominalPressure
|
1.6
|
2.5
|
4.0
|
6.4
|
10.0
|
16.0
|
|
强度试验 Shell
Test
|
2.4
|
3.8
|
6.0
|
9.6
|
15.0
|
24.0
|
|
水密封试验 Water Seal
Test
|
1.8
|
2.8
|
4.4
|
7.0
|
11.0
|
18.0
|
|
上密封试验Backseat
Test
|
1.8
|
2.8
|
4.4
|
7.0
|
11.0
|
18.0
|
|
气密封试验 Air Seal
Test
|
0.5-0.7
|
|||||
主要零件材料及性能 Main Part Materials and Property
|
体、盖、板 Body Cover
Disc
|
阀杆
Stem |
密封面 Sealing
Face
|
垫片
Sealing Shim |
填料
Packing |
工作温度℃ Working
Temperature
|
适用介质Suitable
Medium
|
|
|
WCB
|
2Cr13
|
13Cr
STL
木体材料
With Body
Material
尼龙
Nylon
|
增强柔性石墨
Enhanced Flexible
Graphite
13Cr/柔性石墨
1Cr13/Flexible
Graphite
08软钢
08 Soft Steal
0Cr18Ni9Ti
0Cr17Ni12Mo2Ti
XD550F(T)
PTFE
|
柔性石墨
增强柔性石墨
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
|
硝酸类Nitric acid
|
|||||
|
ZG1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
||||||
|
≤200
|
醋酸类Acetic acid
|
||||||
|
ZG1Cr18Ni12Mo2Ti
|
1Cr18Ni12Mo2Ti
|
