公称压力
PN(LB)
|
强度试验
|
水密封试验
|
气密封试验
|
|||
Mpat
|
Lbf/in2
|
Mpat
|
Lbf/in2
|
Mpat
|
Lbf/in2
|
|
150
|
3.1
|
450
|
2.2
|
315
|
0.5-0.7
|
60-100
|
300
|
7.8
|
1125
|
5.6
|
815
|
||
400
|
9.6
|
1485
|
7.1
|
1075
|
||
600
|
15.3
|
2225
|
11.2
|
1630
|
||
900
|
22.5
|
3250
|
16.5
|
2380
|
||
1500
|
37.5
|
5450
|
27.5
|
3980
|
零件名称
|
材料
|
||||
阀体、阀盖
|
WCB
|
CF8
|
CF3
|
CF8M
|
CF3M
|
摇杆
|
WCB
|
CF8
|
CF3
|
CF8M
|
CF3M
|
阀瓣
|
WCB
|
CF8
|
CF3
|
CF8M
|
CF3M
|
垫片
|
石墨+304
|
FPFE+304
|
PTFE+304L
|
PTFE+316
|
PTFE+316L
|
螺柱
|
35CrMoA
|
A193-B8
|
A193-B8
|
A193-B8
|
A193-B8
|
螺母
|
45
|
A194-8M
|
A194-8M
|
A194-8M
|
A194-8M
|
公称压力
PN(LB)
|
强度试验
|
水密封试验
|
气密封试验
|
|||
Mpat
|
Lbf/in2
|
Mpat
|
Lbf/in2
|
Mpat
|
Lbf/in2
|
|
150
|
3.1
|
450
|
2.2
|
315
|
0.5-0.7
|
60-100
|
300
|
7.8
|
1125
|
5.6
|
815
|
||
400
|
9.6
|
1485
|
7.1
|
1075
|
||
600
|
15.3
|
2225
|
11.2
|
1630
|
||
900
|
22.5
|
3250
|
16.5
|
2380
|
||
1500
|
37.5
|
5450
|
27.5
|
3980
|
零件名称
|
材料
|
||||
阀体、阀盖
|
WCB
|
CF8
|
CF3
|
CF8M
|
CF3M
|
摇杆
|
WCB
|
CF8
|
CF3
|
CF8M
|
CF3M
|
阀瓣
|
WCB
|
CF8
|
CF3
|
CF8M
|
CF3M
|
垫片
|
石墨+304
|
FPFE+304
|
PTFE+304L
|
PTFE+316
|
PTFE+316L
|
螺柱
|
35CrMoA
|
A193-B8
|
A193-B8
|
A193-B8
|
A193-B8
|
螺母
|
45
|
A194-8M
|
A194-8M
|
A194-8M
|
A194-8M
|