Class 150 API Cryogenic Gate Valve
Our API Cryogenic Gate Valve is engineered with a specialized extended bonnet and advanced low-temperature sealing technology to guarantee exceptional structural integrity and zero-leakage performance even at extreme operating temperatures down to -196℃. Robustly manufactured to meet rigorous API standards, this industrial-grade valve ensures reliable long-term durability for critical fluid handling in LNG, ammonia, and carbon dioxide plants.
Overview
Application: This Class 150 API Cryogenic Gate Valve is specifically engineered for demanding low-temperature applications involving Liquefied Natural Gas (LNG), Liquid Ammonia, Propane, Acetylene, Carbon Dioxide, and other extreme cryogenic fluids across various industries.
Technical Specifications:
| Type | Nominal Pressure PN(Lb) | Shell Test (MPa) | Seal Test (MPa) | Upper Seal Test (MPa) | Low-Temperature Pressure Test (MPa) | Operating Temperature & Media |
|---|---|---|---|---|---|---|
| DZ40Y | 150 | 3.0 | 0.6 | 2.2 | 0.6 | -46℃, Ammonia, Liquid ammonia, Propane |
Drawing:
Dimensions(Unit:mm)
| NPS | DN | L | D | H (-46℃) | H (-101℃) | H (-196℃) |
|---|---|---|---|---|---|---|
| 1 | 40 | 165 | 200 | 110 | 130 | 160 |
| 1 1/2 | 50 | 178 | 200 | 110 | 130 | 170 |
| 2 | 65 | 190 | 200 | 120 | 150 | 190 |
| 2 1/2 | 80 | 203 | 250 | 120 | 150 | 190 |
| 3 | 100 | 229 | 250 | 130 | 160 | 200 |
| 4 | 125 | 254 | 300 | 140 | 170 | 220 |
| 5 | 150 | 267 | 300 | 140 | 170 | 220 |
| 6 | 200 | 292 | 350 | 140 | 170 | 220 |
| 8 | 250 | 330 | 400 | 150 | 180 | 240 |
| 10 | 300 | 356 | 400 | 150 | 180 | 240 |
| 12 | 350 | 381 | 450 | 160 | 190 | 250 |
