Key Specifications/Special Features:
- AX742X pressure discharging/retaining valve is mounted on the pipeline of high-buildings, fire fighting and other water supply systems
- The pressure discharging valve will automatically open to quickly discharge the pressure when the pressure inside of the pipeline surpass the set one so as to protect the pipelines safety It can also be used as per a pressure retaining valve to guarantee the water supply pressure of the main valves upper-streamline
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Main part materials:
- Body and bonnet: cast iron, ductile iron, carbon steel, stainless steel, brass
- Piston: ductile iron
- Stem: stainless steel, stainless iron
- Disc: ductile iron, carbon steel, stainless steel, brass
- Size: DN 50 to 1,400
- Pressure: 1.0, 1.6 and 2.5MPa
