Cryogenic Bonnet Gate Valves
The Gold Standard in The Industry
YVI Cryogenic Bonnet Gate Valves are the safe and reliable solution for your low temperature and cryogenic applications. Whether it’s LNG, Chemical, Petrochemical, Aerospace, or any other industry utilizing cryogenic fluids, YVI has the experience and expertise for your application.
Cryogenic Bonnet Gate Valves
Design Features
- API 624 / ISO 15848-1 Low Fugitive Emission Compliant
- Flexible Wedge (Standard with pressure relief hole)
- Seal Welded Seat Rings (API 600 Design)
- 26” and Larger Items have Hard-faced Wedge Guides
Optional Features
- Optional Stem Extension
- Optional Double Packing with Lantern Ring
- Optional Live Loaded Gland Flange
- Optional Bellow Seal
Cryogenic Bonnet Gate Valves
YVI Cryogenic Bonnet Gate Valves are designed, manufactured, and tested in accordance with ASME B16.34, API 594, API 600 or API 603, MSS SP-134, and API 598. Other cryogenic extension lengths are available upon request. YVI offers size ranges from 2” through 36” diameters in pressure classes 150# through 2500# with end connections in either RFFE, RTJ, and Buttweld. All of the Stainless Steel pressure-containing castings are produced at our in-house foundries to assure casting quality.
Parts & Available Materials
| No. | Part | Stainless Steel |
| 1 | Body | ASTM A351 CF8M |
| 2 | Bonnet | ASTM A351 CF8M |
| 3 | Wedge | ASTM A351 CF8M |
| 4 | Stem Nut | ASTM A439 D-2 |
| 5 | Gland Flange | ASTM A351 CF8M |
| 6 | Handwheel | Ductile Iron |
| 7 | Seat Ring | ASTM A182 F316+HF |
| 8 | Stem | ASTM A182 F316 |
| 9 | Back Seat | ASTM A276 316 |
| 10 | Gland | ASTM A276 316 |
| 11 | Gasket | SPW SS+Graphite RTJ.SS |
| 12 | Spacer Ring | ASTM A276 316 |
| 13 | Packing | Graphite |
| 14 | Retaining Nut | Stainless Steel |
| 15 | Handwheel Nut | Stainless Steel |
| 16 | Bonnet Stud | ASTM A193 B8 |
| 17 | Bonnet Nut | ASTM A194 8 |
| 18 | Eye Bolt | ASTM A193 B8 |
| 19 | Eye Bolt Pin | Stainless Steel |
| 20 | Yoke | ASTM A351 CF8M |
| 21 | Insulation Plate | Stainless Steel |
Material list, other materials available/provided.
