Swing Check Valves API 6D
Swing Check Valves API 6D
Swing Check Valves: API 6D, BS 1868 - 1873, ASME B16.34
Swing Check Valves: API 6D, BS 1868, BS 1873, ASME B16.34, Bolted Bonnet, Pressure Seal, Bolted Cover, BW, Flanged Ends, Class 150 - 2500, 2 -36 Inch.
Valve Type: Cast Steel Swing Check Valve.
Valve Size: 2 ”- 36”.
Pressure Rating: Class 150 – 2500.
Standards:
Standards:
| Design & Manufacture | BS 1868-1873, ASME B16.34, API 6D |
| Inspection & Test | API 598, API 6D |
| End Flange Dimension | ASME B16.5 |
| End Flange Dimension | ASME B16.47A, MSS SP-44 |
| End Flange Dimension | ASME B16.47B, API 605 |
| BW End Dimension | ASME B16.25 |
| Face to Face | ASME B16.10 |
| Pressure-temperature Ratings | ASME B16.34 |
| Wall Thickness Dimension | API 600 and BS 1868 |
Standard Trim Material to API 600
| Trim Code | Seat Ring Surface Part No. 2 | Wedge Surface Part No. 3 | Stem Part No.4 | Backseat Part No. 9 |
| 1 | F6 | F6 | F6 | F6 |
| 2 | F304 | F304 | F304 | F304 |
| 5 | Stellite | Stellite | F6 | F6 |
| 8 | Stellite | F6 | F6 | F6 |
| 9 | Monel | Monel | Monel | Monel |
| 10 | F316 | F316 | F316 | F316 |
| 13 | Alloy 20 | Alloy 20 | Alloy 20 | Alloy 20 |
Standard Material Specifications:
| Parts Name | Carbon Steel to ASTM | Alloy Steel to ASTM | Stainless Steel to ASTM | |||||||||||
| 1. | Body | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | |||
| 11. | Cover | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | |||
| 3. | Disc | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | |||
| 4. | Hinge | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | |||
| 9. | Bolt | A193 B7 | A320 L7 | A193 B7 | A193 B16 | A193 B16 | A193 B16 | A 193 B8 | A 193 B8 | A 193 B8 | A 193 B8 | |||
| 8. | Nut | A194 2H | A194 4 | A194 2H | A194 4 | A194 4 | A194 4 | A194 8 | A194 8 | A194 8 | A194 8 | |||
| 5. | Disc Nut | A194 2H | 410 | 410 | 410 | 410 | 410 | 304 | 316 | 304L | 316L | |||
| 10. | Gasket | SS Spiral Wound W/graphite, or SS Spiral Wound W/PTFE, of Reinforced PTFE | ||||||||||||
| 12. | Eye Bolt | Steel | ||||||||||||
| 7. | Yoke | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | |||
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