Applicable Standards
Steel Check Valves, API 594/API 6D
Steel Check VALVES, ISO 14313
Steel Valves, ASME B16.34
Face To Face, ASME B16.10
End Flanges, ASME B16.5
Inspection And Test, API 598/API 6D
Design Description
PSB, Pressure Seal Bonnet
Swing Type
Renewable Seat Rings
Von-penetrate Disc Shaft
Flanged Or Buttwelding Ends
Swing Type
Renewable Seat Rings
Von-penetrate Disc Shaft
Flanged Or Buttwelding Ends
Standard Material Specifiactions
| No. | Part Name | ASTM Material | |||||||
| Carbon Steel | 1.25Cr-0.5Mo | 2.25Cr-1Mo |
304 Type |
316 Type | 304L Type |
316L Type |
20 Alloy | ||
| 1 | Body |
A216 WCB |
A217 WC6 |
A217 WC9 | A351CF8 | A351 CF8M |
A351 CF3 |
A351 CF3M |
A351 CN7M |
| 2 | Bonnet |
A216 WCB |
A217 WC6 |
A217 WC9 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
A351 CN7M |
| 3 | Disc | WCB+13Cr*1 | A217 WC6+HF |
A217 WC9+H F |
A351CF8 | A351 CF8M | A351CF3 | A351 CF3M | A351CN7M |
| 4 | Hinge | A216 WCB | A217WC6 | A217 WC9 | A351CF8 | A351 CF8M | A351CF3 | A351CF3M | A351CN7M |
| 5 | Seat Ring | A105+13Cr*1 | A182 F11+HF | A182 F22+HF | NA | NA | NA | NA | NA |
| 6 | Hinge Pin | A276 410 | A276 410 | A276 410 | A276 304 | A276 316 | A276 304L | A276 316L | 20-Alloy |
| 7 | Bonnet Gasket |
304+ Graphite |
304+ Graphite |
304+ Graphite |
304+ Graphite |
316+ Graphite |
304L+ Graphite |
316L+ Graphite |
316+ Graphite |
| 8 | Adapter Ring | Soft steel | A182F6a | A182 F6a | A182F304 | A182 F316 | A182 F304L | A182 F316L | 20-Alloy |
| 9 | Retainer | A182 F6a | A182 F6a | A182 F6a | A182 F304 | A182 F304 | A182 F304 | A182 F304 |
A182 F304 |
| 10 | Bonnet Clamp | A216 WCB | A217WC6 | A217 WC9 |
A351 CF8 |
A351 CF8 |
A351 CF8 |
A351 CF8 |
A351 CF8 |
| 11 | Bonnet Bolt | A193 B7 | A193 B7 | A193 B16 | A193 B8 | A193 B8 | A193 B8 | A193 B8 | A193 B8 |
| 12 | Bonnet Nut | A194 2H | A194 7 | A194 7 | A194 8 | A194 8 | A194 8 | A194 8 | A194 8 |
| 13 | Eyebolt | Carbon steel | Carbon steel | Carbon steel | Carbon steel+Zn | Carbon steel+Zn | Carbon steel+Zn | Carbon steel+Zn | Carbon steel+Zn |
| NA | Integral with vessell | ||||||||
| *1 | PN≥600 Class seal face will be HF | ||||||||
Main Outline Dimensions & Weight Class 900 /1500/2500