PRODUCTS > Hydraulic control valve > Silent check valve

                  Silent check valve

                  Product model: DRVZ
                  Nominal diameter: DN40~600mm
                  Nominal pressure: PN1.0~2.5MPa
                  Applicable temperature: 0~80℃
                  Applicable medium: water
                  Main material: cast iron, ductile iron, carbon steel and so on

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                  [Manufacturing standards]
                  Flange standard: GB/T 17241.6, GB/T 9113
                  Test standard: GB/T 13927, API 598

                  [Valve features]

                        DRVZ (H42X) silent check valve consists of main parts, such as valve body, valve seat, deflector, valve, bearing and spring. The internal flow passage adopts linear design, and the pressure loss is minimal. Valve opening and closing stroke is very short, stop the pump can be quickly closed, to prevent large water hammer sound, with mute closed features. The valve is mainly used for water supply and drainage, fire fighting and heating and ventilation systems. It can be installed at the pump outlet to prevent backflow and water hammer damage to the pump.


                  [Adaptive condition]
                         Water control valve is the pipe medium pressure as the driving force for opening and closing, regulating valve. It consists of a main valve and attached to the catheter and needle valve, ball valve and pressure gauge, etc. according to the purpose and function of the different places, can be turned into a remote control float valve, relief valve, relief valve closed, flow controller, pressure relief valves, hydraulic control valves, emergency shut down valve.

                  Hydraulic control valve action:
                  1, It can be used in domestic water supply, fire fighting system and industrial water supply system.
                  2, hydraulic control valve to use the pilot valve to control the opening and closing of the valve, saving energy.
                  3, can replace other valves, large electric device.
                  4, hydraulic control valve products are widely used in high-rise buildings, living areas and other water supply network systems and urban water supply projects.

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