ANSI Cast Steel Swing Check Valve
Low fluid resistance;
Close quickly and move sensitively;
Small closing impact, less prone to water hammer;
Can choose a heavy hammer or gear opening structure;
Options for soft sealing design;
Options to lock the valve disc position in the fully open position;
Optional jacket insulation design.
Technical Parameters
| Nominal Size |
2"~48"(DN50~DN1200) |
|---|---|
| Pressure Rating |
Class150LB~900LB |
| Body Material |
WCB, CF8, CF8M, CF3, CF3M, LCB, 2205 Etc. |
| Design Standard |
BS1868, ASME B16.34 |
| Face To Face |
ASME B16.10 |
| End Flange |
ASME B16.5, ASME B16.47 |
| BW Ends |
ASME B16.25 |
| Inspection And Testing |
API 598 |
| Mark |
NACE MR-01-75 |
Material List
| NO. | Part name | Standard material | Stainless steel material | Low temperature environment |
High temperature environment |
Acidic environment |
|---|---|---|---|---|---|---|
|
1 |
Body |
ASTM A216 WCB |
ASTM A351 CF8M |
ASTM A352 LCC |
ASTM A217 WC9 |
ASTM A216 WCB |
|
2 |
Race |
ASTM A105N +STL.6 |
ASTM A182 F316+STL.6 |
ASTM A350 LF2+STL.6 |
ASTM A182 F22+STL.6 |
ASTM A105N+STL.6 |
|
3 |
Clack |
ASTM A216 WCB+Cr13 |
ASTM A351 CF8M |
ASTM A352 LCC+STL.6 |
ASTM A217 WC9+STL.6 |
ASTM A216 WCB+Cr13(NACE) |
|
4 |
Rocker |
ASTM A216 WCB |
ASTM A351 CF8M |
ASTM A352 LCC |
ASTM A217 WC9 |
ASTM A216 WCB |
|
5 |
Pin |
ASTM A276 410 |
ASTM A276 316 |
ASTM A276 316 |
ASTM A276 410 |
ASTM A276 410(NACE) |
|
6 |
Disc nut |
ASTM A276 410 |
ASTM A276 316 |
ASTM A276 316 |
ASTM A276 410 |
ASTM A276 410(NACE) |
|
7 |
Pin shaft |
ASTM A182 F6a |
ASTM A276 316 |
ASTM A182 F316 |
ASTM A276 420 |
Stainless steel |
|
8 |
Plug screw |
ASTM A105N |
ASTM A182 F316 |
ASTM A350 LF2 |
ASTM A182 F22 |
ASTM A105N |
|
9 |
Gasket |
Graphite wrap pad/RTJ ring |
Graphite wrap pad/RTJ ring |
Graphite wrap pad/BTJ ring |
Graphite wrap pad/RTJ ring |
Graphite wrap pad/RTJ ring |
|
10 |
Cover stud |
ASTM A193 B7 |
ASTM A193 B8 |
ASTM A320 L7 |
ASTM A193 B16 |
ASTM A193 B7M |
|
11 |
Bonnet nut |
ASTM A194 2H |
ASTM A194 8 |
ASTM A194 7 |
ASTM A194 4 |
ASTM A194 2HM |
|
12 |
Bonnet |
ASTM A216 WCB |
ASTM A351 CF8M |
ASTM A352 LCC |
ASTM A219 WC9 |
ASTM A216 WCB |