zhejiang teyi valve co.,ltd.
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Bolted Bonnet Bellows Seal Globe Valve PN40 Flange With Dual Seal
Product Description
Bellows Seal Globe Valve is a new kind of globe valves with dual-seal. So its sealing is very good. The sealing surface is bead welding with hard alloy and the stem surface is in"nitrogen treatment". Hence it is the valve of attrition-resistant, good anti-corrosion performance and long service life.
Performance Specifications
| Pressure | 1.6Mpa | 2.5Mpa | 4.0Mpa |
| Shell Test | 2.4Mpa | 3.8Mpa | 6.0Mpa |
| Seal Test Water | 1.8Mpa | 2.8Mpa | 4.4Mpa |
| Seal Test Air | 0.6Mpa | ||
| Temperature | -20 to 425 ℃ | ||
| Medium | W.O.G | ||
Main Parts and Materials
| 1. Body | GG CS-C25 SS304 SS316 | 9. Packing | Graphite, PTFE |
| 2. Disc | C.C+13Cr SS304 SS316 | 10. Gland | 13Cr SS304 SS316 |
| 3. Pin | SS304 SS316 | 11. Oil Cup | Brass |
| 4. Bellows | SS304 SS316 | 12. Locating Plate | C.S 304 316 |
| 5. Gasket | SS304+Graphie SS316+ | 13. Stem | 1Cr13 SS304 SS316 |
| 6. Bolt | ASTM A193 B7, B8, B8M | 14. Nut | Cu Alloy |
| 7. Nut | ASTM A193 2H, A193-8, 8M | 15. Handwheel | C.S |
| 8. Bonnet | GG CS-C25 SS304 SS316 | 16. Lock Nut | AL Alloy |
Technical Specifications:
Main Sizes and Dimensions(mm)