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Large caliber silent check valve, silent check valve,check valve

Product Code : VF--ZHCC-ZH38-CU

Main technical parameters

Nominal diameter DN300-600mm

Nominal pressure 1.0/1.6/2.5MPa

Operating temperature 0℃-80℃

Seal test 1.1 times nominal pressure

Shell test 1.5 times nominal pressure


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Product Product Code Purity Size Contact Us
Large caliber silent check valve, silent check valve,check valve VF--ZHCC-ZH38-CU Customized Customized

The hydraulic profile design of the large diameter silent check is adopted to obtain the best streamlined waterway with the design of the flow guide inside to ensure the minimum pressure loss. The silent check valve installed at the water outlet of the pump can be quickly closed before the water backflow to avoid water hammer, water percussion and plateau breaking impact to achieve the purpose of mute, prevent backflow and protect the equipment. Widely used in water supply and drainage, fire, HVAC, industrial and other systems.

The hydraulic profile design of the large diameter silent check is adopted to obtain the best streamlined waterway with the design of the flow guide inside to ensure the minimum pressure loss. The silent check valve installed at the water outlet of the pump can be quickly closed before the water backflow to avoid water hammer, water percussion and plateau breaking impact to achieve the purpose of mute, prevent backflow and protect the equipment. Widely used in water supply and drainage, fire, HVAC, industrial and other systems.

Packing of Standard Packing: 

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 470 gallon liquid totes Special package is available on request. E FORUs’  is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.




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+ 1 917 7225069
+ 1 917 7225069