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DRVZ Drainage Fire Protection Heating and Ventilation system Mute Check Valve

DRVZ Drainage Fire Protection Heating and Ventilation system Mute Check Valve

DRVZ Drainage Fire Protection Heating and Ventilation system Mute Check Valve
CategoriesCheck Valve
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BrandGARLOS
ModelDRVZ
Nominal Pressure1.0-2.5MPa
Suitable MediumWater
Medium Temperature0-80℃
Test StandardGB/T13927-1992
Update Time2018-12-15
Detail Information

Brief Introduction


DRVZ mute check valve is composed by valve body, flow deflector, disc, spring and other parts. The internal flow path adopts the streamline design, the pressure loss is small, the valve opening and closing stroke is very short, the pump can be shut down quickly when the pump stops, preventing the huge water hammer sound, forming the mute effect. The valve is mainly used for water supply, drainage, fire, HVAC system can be installed at the pump outlet, to prevent the medium backflow and water hammer damage to the pump.




Specification


Nominal Pressure

1.0-2.5 MPa

Nominal Diameter

50-400mm

Suitable Media

Water

Suitable Temperature

0-80

Test Standard

GB/T 13927-1992




Main Material


Valve Body, Flow Deflector

Disc

Spring

Gray Cast iron HT200,

Ductile Iron QT400-18,

Cast Steel WCB,

Gray Cast iron HT200,

Ductile Iron QT400-18,

Cast Steel WCB,

Carbon Steel Q235-A,

 Copper Alloy

Spring steel,

Stainless steel




Installation



Dimension


 

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