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★ Export more than 60 countries, widely used in power stations, thermal power station, water works, water works, sewage disposal plants, iron and steel companies and other industries.
This kind of valves are mainly installed on the pump exit on water supply and drainage, fire protection and HVAC system to prevent back flow and the damage of water hammer to pump.
Silent type check valve are consists of valve body, seat, guiding object, disc, bearing and spring etc parts, inside passage way adopts streamlined design to make pressure loss smallest. The distance between disc opening and closing is very short, it can close quickly when stop the pump and avoid huge water hammer, so it possesses the feature of silent off. This kind of can be vertical installation.
Suitable medium: Water, sea water, steam, sewage,,etc.
Type of sealing : soft sealing.
Type of control : automatic.
Material:grey cast iron, ductile cast iron, alloy cast iron, carbon steel ,stainless steel, alloy steel.
Standard: GB, BS, ASME, JIS, DIN, EN, ISO and other country, also can be produced according to user’s requirements.