1 PC WAFER BALL VALVE
One piece wafer ball valves are suitable for use on pipelines of medium or low pressure to turn off or switch on pipeline medium. Operation manners are in general of manual, and pneumatic or electric actuators are available.
Applicable Standards
Working Pressure:PN16/40
Temperature Range:-20-350 oC
Suitable medium:Water,Oil,Gas,and some corrosive liquid
Design:GB/T12237/1989
End Flange:JB79
Fire Safe:API 607 th 1993
Inspection & Testing:GB/T13927-1992
Main parts and materials
|
No. |
Parts Description |
Material |
|
1 |
Body |
CF8M |
CF8 |
WCB |
|
2 |
Bonnet |
CF8M |
CF8 |
WCB |
|
3 |
Ball |
SS316 |
SS304 |
|
4 |
Seat |
PTFE PPL |
|
5 |
Stem |
SS316 |
SS304 |
2Gr13 |
|
6 |
Anti-Static |
SS304 |
|
7 |
Stem Gasket |
PTFE |
|
8 |
Thrust Washer |
PTFE |
|
9 |
Packing |
PTFE Expanded Graphite |
|
10 |
Transition Washer |
SS304 |
|
11 |
Packing Ring |
SS304 |
|
12 |
Belleville Washer |
SS304 |
|
13 |
Nut |
SS304 |
|
14 |
Loose Resistant Cover |
SS304 |
|
15 |
Handle Nut |
SS304 |
|
16 |
Stop Plate |
SS304 |
|
17 |
Handle |
SS304 |
|
18 |
Handle Cover |
Plastic |
|
19 |
Stop screw |
SS304 |
|
20 |
Set Screw |
SS304 |
|
21 |
Handle |
SS304 |
|
22 |
Spanner |
CF8 |
|
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