Micro-Open Type Safety Valve

Micro-open type safety valve construction

 Micro-Open Type Safety Valve

Micro-open type safety valve chief property and specification


Working temperature
A21H=200℃ A21W=200℃ A21F-40℃~80℃
Suitable medium Model A21H: air, ammonia, petroleum gas, water etc. Model A21W: corrosive gases, or liquid. Model A21F: liquefied petroleum

Micro-open type safety valve dimensions (mm)

Nominal
Diameter
DN (mm)
Dimensions (mm)
Do do L L1 G
15 20 12 35 65 G5/8"
20 25 16 42 76 G3/4"
25 31 20 50 84 G1"
32 ZG1 1/4" 25 55 85 G1 1/4"
40 ZG1 1/2" 32 55 84 G1 1/2"
50 ZG2" 40 67 101 G2"
65 ZG2 1/2" 50 76 120 G2 1/2"
80 ZG3" 65 83 135 G3"

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