Bellows Seal Globe Valves: BS 1873
Valve Type: Bellows Seal Globe Valve
Valve Size: 1/2” - 14”
Pressure Rating: Class 150 - 300
Standards:
| Design & Manufacture | BS 1873 |
| Face to Face | ASTM B16.10 |
| End Flanges Dimension | ASME B16.5 |
| Inspection & Test | API 598 |
Structure Feature:
Double seal, more reliable performance
Stem lift position indication, more intuitive
Small flow resistance, low pressure drop
Standard Material Specifications
| Parts Name | Carbon Steel to ASTM | Alloy Steel to ASTM | Stainless Steel to ASTM | ||||||||
| Body | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M | |
| Disc | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F304 | A182 F316 | A182 F304L | A182 F316L | |
| Disc Cover | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F304 | A182 F316 | A182 F304L | A182 F316L | |
| Stem | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F304 | A182 F316 | A182 F304L | A182 F316L | |
| Bellows Seal | A182 F304 | A182 F304 | A182 F304 | A182 F304 | A182 F304 | A182 F304 | A182 F304 | A182 F316 | A182 F304L | A182 F316L | |
| 7. | Bonnet | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| 8. | Bolt | A193 B7 | A320 L7 | A193 B7 | A193 B16 | A193 B16 | A193 B16 | A 193 B8 | A 193 B8M | A 193 B8 | A 193 B8M |
| 9. | Nut | A194 2H | A194 4 | A194 2H | A194 4 | A194 4 | A194 4 | A194 8 | A194 8M | A194 8 | A194 8M |
| 11. | Gland | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F6a | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| 12. | Gland Flange | A216 WCB | A352 LCB | A217 WC1 | A217 WC6 | A217 WC9 | A217 C5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Gasket | Flexible Graphite+ SS or PTFE | ||||||||||
| 10. | Packing | Flexible Graphite or PTFE | |||||||||
| 13. | Stem Nut | Copper alloy or A439 D2 | |||||||||
| 14. | Hand Wheel | Ductile Iron or Carbon Steel | |||||||||
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Related Products Mentioned in the Article
Zhejiang Xinhai Valve Manufacturing Co., Ltd.
- Address: Xinhai Industry Zone, Sanqiao, Oubei, Wenzhou, Zhejiang, P. R. China.
- Phone: +86 577 6699 3222
- Business Type: Industry & Trading, Manufacturer,
Supplier Website
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