A28HSpring Loaded Safety ValveSuitable for working temperature ≤ 200 ℃ air, steam, water, nitrogen and hydrogen mixture and other media equipment or pipeline.
工作原理
When the pressure in the equipment and pipeline exceeds the permissible value, the valve automatically opens and then discharges the full amount; when the pressure drops to the specified value, the valve automatically closes to ensure the safe operation of the equipment and pipeline.
Product Parameters
产品型号 | A28H-16 |
阀体材质 | 灰铸铁 |
公称压力 | ≤1.6Mpa |
适用介质 | 水、蒸汽、空气等 |
适用温度 | ≤200℃ |
Product Size Reference

通径 | do | R | L | L1 | G | ≈H |
DN15 | 10 | 1/2 | 37 | 65 | 3/4 | 196 |
DN20 | 12 | 3/4 | 40 | 70 | 1 | 215 |
DN25 | 15 | 1 | 45 | 78 | 1-1/4 | 233 |
DN32 | 20 | 1-1/4 | 60 | 90 | 1-1/2 | 304 |
DN40 | 25 | 1-1/2 | 67 | 105 | 2 | 325 |
DN50 | 32 | 2 | 76 | 115 | 2-1/2 | 346 |
DN65 | 40 | 2-1/2 | 110 | 145 | 3 | 372 |