DRV/HC42T Silent Check ValveDetailed product description：

The DRV/HC42T silent check valve consists of parts such as valve body, valve seat, guide body, valve disc, bearing shell, and spring. The internal flow channel adopts a streamlined design, with low pressure loss and short opening and closing stroke of the valve disc. When the pump is stopped, it can be quickly closed to prevent huge water hammer sound and form a silent effect. HC42T check valve is mainly used in water supply, drainage, fire protection, and HVAC systems. It can be installed at the outlet of the water pump to prevent medium backflow and water hammer damage to the pump.

Main technical parameters of DRV/HC42T silent check valve:


Main external dimensions of DRV/HC42T silent check valve:

Nominal Diameter	L
fifty	one hundred and twenty
sixty-five	one hundred and fifty
eighty	one hundred and eighty
one hundred	two hundred and forty
one hundred and twenty-five	three hundred
one hundred and fifty	three hundred and fifty
two hundred	four hundred and fifty
two hundred and fifty	five hundred
three hundred	five hundred and fifty
three hundred and fifty	five hundred and seventy-two
four hundred	six hundred
four hundred and fifty	six hundred and fifty
five hundred	seven hundred

Main component materials of DRV/HC42T silent check valve:

Part Name	Material
Valve body, flow guide body	Cast iron, cast steel
Valve seat, bearing shell, valve disc, shaft	Bronze or stainless steel
spring	stainless steel

Flange connection size: Iron valves shall comply with GB4216.4 (5) -84 standard, and steel valves shall comply with GB/T9113.1-2000 (RF) standard.