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cast steel gate valves
Specifications
Type
Nominal
Pressure
Test Pressure
Working
Temperature(¡æ)
Suitable
Medium
Strength (water)(Mpa)
Seal (water)
Air (Mpa)
Low Pressure Seal Air (Mpa)
Z41H-16C
1.6
2.4
1.8
0.6
¡Ü425
Water, steam, oil, etc.
Z41H-25C
2.5
3.8
2.8
0.6
¡Ü425
Z41H-40C
4.0
6.0
4.4
0.6
¡Ü425
Z41H-64C
6.4
9.6
7.0
0.6
¡Ü425
Material for main parts
Part name
Body donnet
Stem
Sealing surface of gate valve seat
Stem nut
Packing
Gasket
Z41H-16
25
40C
64
Carbon Steel
Al stainless steel
Stainless Steel

Aluminum Bronze

Oil asbestos packing
Metal pad
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