Gold Member Since 2007
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Zhejiang Guanlong Machinery Valve Co., Ltd.

Quiet Check Valve, Axial Check Valve, Silent Check Valve manufacturer / supplier in China, offering (HC42) Drvz Mute Non Return Silent Non Slamming Check Valve, 2/3 Way Solenoid Valve DC24V/AC220V, Globe Double Chamber Adjustable Pressure Regulating Pressure Reducing Valve (Yx741X) and so on.

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Supplier Homepage Product Check valve / Non-return valve Axial type check valve (HC42) Drvz Mute Non Return Silent Non Slamming Check Valve

(HC42) Drvz Mute Non Return Silent Non Slamming Check Valve

Purchase Qty.:
1-9 10+
FOB Unit Price: US $29 US $24
Purchase Qty. (Sets) FOB Unit Price
1-9 US $29
10+ US $24
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Port: Ningbo, China
Production Capacity: 2000PCS/Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: HC42T/X
  • Connection Form: Flange
  • Pressure: Ordinary Pressure
  • Sealing Form: Soft Sealing / Hard Sealing
  • Standard: ANSI, API, DIN, BS, GB etc
  • Certificate: ISO, Ce
  • Temperature Applicable: ≤425ºC
  • Transport Package: Bubble Plastic Paper + Plywood Case
  • Origin: China
  • Material: Ci, Di, CS, Ss etc
  • Structure: Axial Type
  • Function: Nrvz Silence, Nrvg Silence
  • Flow Direction: Unidirection
  • Application: Industrial Usage, Water Industrial Usage
  • Medium Applicable: Water, Sea Water, Waste Water, Oil etc
  • Trademark: KARFAR
  • Specification: DN15 - DN1800
Product Description
DRVZ Silent Check Valve
Model NO.: HC42

(HC42) Drvz Mute Non Return Silent Non Slamming Check Valve
Size: DN40--1800mm (1-1/2" ~ 72")
Pressure rating: PN:1.0 - 2.5MPa  or Class:150 -300lbs
Body &
Flow guide body
Disc & SeatCompassion spring
Cast iron
Ductile iron
Stainless steel
Aluminum bronze
/ Chromium stainless steel
Stainless steel

Δ  This mute check valve HC42T/X mainly consists of  body, seat, flow guide, disc, shaft and compression spring etc. The streamline chamber design minimizes the pressure loss. The opening of clapper valve is very short ,so that you can quickly turn off and prevent the slamming noise of water hammer. It is a mute silent non return valve. 

The mute check valve series is popularly used for water supply and drainage, fire fighting and HVAC system, petrochemical industry, electricity power etc. 
It is installed at the outlet side of the pump to prevent backflow and the water hammer damage to pump.

Shell test
Sealing test
Temperature applicable-29ºC ~ 425ºC
Water, Sea water, Sewedge water, Oil etc

(HC42) Drvz Mute Non Return Silent Non Slamming Check Valve
Medium applicable Water, Oil, Gas etc.
Main materialGrey cast iron, Ductile cast iron, Carbon steel, Stainless steel, Brass etc
Temperature applicable ≤425ºC
Nominal Pressure PN1.0 ~2.5Mpa
Nominal Diameter 1-1/2"- 72"
Flange Dimension ASME B16.5, BS4504, ISO2531, ISO7005 and other standards 
Face to Face length API594, BS5155, ISO5752, DIN3352 and other standards

Note:We accept design and manufacture of various non-standard valves and arrange production according to users' supplied drawings and samples. 

We welcome your comments and inquiries.
company website: 

TEL: 0086-577-67379225, 67318107 
MOBILE: 0086-15967459601


(HC42) Drvz Mute Non Return Silent Non Slamming Check Valve
(HC42) Drvz Mute Non Return Silent Non Slamming Check Valve
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