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Nozzle Check Valve/Silent Check Valve Avoid Water Slam

Technical Speciafication
Design & manufacture standard: API6D,BS1868,API594(Wafer type)
Face to face dimensions: ANSI/ASME B16.10
Flange connection: ANSI/ASME B16.5 for NPS24,ASME B16.47A/MSS SP-44 for NPS>24.
Butt-welding end dimensions: ANSI/ASME B16.25
Socket-welding dimensions: ANSI/ASME B16.11
Screw ends dimension: ANSI B1.20.1
Inspection & test standard: API6D,API598.
| No | Part Name | WCB/Trim 1 | WCB/Trim 5 | WCB/Trim 8 | CF8/ 304 | CF8M/316 |
| 1 | Body | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
| 2 | Seat Ring | A105+13 CR | A105+STL | A105+STL | A351 CF8 | A351 CF8M |
| 3 | Disc | A216 WCB+13CR | A216 WCB+STL | A216 WCB+STL | A351 CF8 | A351 CF8M |
| 4 | Arm | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
| 5 | Nut | A194 2H | A194 2H | A194 2H | A194 8 | A194 8M |
| 6 | Arm pin | 182 F6a | 182 F6a | 182 F6a | A182 F304 | A182 F316 |
| 7 | Yoke | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
| 8 | Bonnet Nut | A194 2H | A194 2H | A194 2H | A194 8 | A194 8M |
| 9 | Bonnet Bolt | A193 B7 | A193 B7 | A193 B7 | A193 B8 | A193 B8M |
| 10 | Bolt | A193 B7 | A193 B7 | A193 B7 | A193 B8 | A193 B8M |
| 11 | Gasket | 304+Graphite | 304+Graphite | 304+Graphite | 304+Graphite | 304+Graphite |
| 12 | Bonnet | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
| 13 | Eye Bolt | A181 | A181 | A181 | ASTM A181 | ASTM A181 |




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