CAST STEEL GATE VALVES TO API 600/BS1 41 4
| ANSI CLASS 150 SIZES 40 mm to 600 mm |
ANSI CLASS 300 Sizes 40 mm to 300 mm |
ANSICLASS 600 Sizes 40 mm to 200 mm |
Manufactured in Accordance with API 600/BS-1414 bolted bonnet with integral yoke outside screw rising stem suitable for repacking under pressure when fully open. Ends flanged and drilled to ANSI B16.5 with raised face, renewable seat, valves tested to API 598.
| Class | Hydrostatic test Presssure | |
| Body PSIG | Seat PSIG | |
| 150 | 425 | 275 |
| 300 | 1100 | 720 |
| 600 | 2175 | 1440 |
| Air seat test pressure – 60 PSI | ||
| PART NO. | DESCRIPTION | MATERIAL | SPECIFICATION |
| 1. | BODY | CARBON STEEL | ASTM-A-216 GR WCB |
| 2. | BONNET | DO | DO |
| 3. | GLAND | DO | DO |
| 4. | WEDGE | DO | DO |
| 5. | HANDWHEEL | DO | DO |
| 6. | STEM | 13% CR SS | A-182 GR F 6/AISI 410 |
| 7. | WEDGE SEAT RING | DO | DO |
| 8. | BODY SEAT RING | DO | DO |
| 9. | BACK SEAT BUSH | DO | A-182 GR F 6/AISI 410 |
| 10. | YOKE BUSH | Ni-RESIST CI/AL BRONZE | BS : 3468/1S : 305/BS : 2789 |
| 11. | GLAND PACKING | GRAPHITEDASBESTOS | IS-4687 |
| 12. | GASKET | CAF/SOFTIRON WITH ASBESTOS FILLER | IS : 2712/SPIRAL WOUND SS 304 |
| 13. | BONNET BOLTS/STUDS | ALLOY STEEL | ASTM-A-193 GR B7 |
| 14. | BONNET NUTS | DO | ASTM-A-194 GR 2H |
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