A22H/Y/W spring-loaded full-opening closed male safety valve is suitable for the working temperature ≤ 200 ℃ air, water, nitrogen and hydrogen mixture and other media equipment or pipeline, as overpressure protection device.
Product Features
- Fully open structure, high displacement.
- Threaded connection for easy installation.
- Compact and economical.
Product Parameters
Product Model | A22H-16C |
Valve body material | Cast Steel |
Nominal pressure | ≤1.6Mpa |
Applicable medium | Air, Water, Nitrogen-Hydrogen Mixtures, and Other Media |
Applicable temperature | ≤200℃ |
Product Size Reference

Nominal Diameter | do | R | G | L | L1 | ≈H |
DN15 | 10 | 1/2 | 3/4 | 37 | 65 | 140 |
DN20 | 12 | 3/4 | 1 | 40 | 70 | 150 |
DN25 | 15 | 1 | 1-1/4 | 45 | 78 | 160 |
DN32 | 20 | 1-1/4 | 1-1/2 | 60 | 90 | 210 |
DN40 | 25 | 1-1/2 | 2 | 67 | 105 | 225 |
DN50 | 32 | 2 | 2-1/2 | 76 | 115 | 235 |
DN65 | 40 | 2-1/2 | 3 | 110 | 145 | 370 |
DN80 | 50 | 3 | 4 | 110 | 145 | 410 |














