Vertical Check Valve

Short Description:

Principle of Vertical Check ValveVertical Check Valve refers to a valve that relies on the flow of the medium itself to automatically open and close the valve disc to prevent medium backflow, also kno...


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Product Detail

Principle of Vertical Check Valve

Vertical Check Valve refers to a valve that relies on the flow of the medium itself to automatically open and close the valve disc to prevent medium backflow, also known as Non-return Valve, One-way Valve, Counterflow Valve, and Back Pressure Valve. Check Valve is an automatic valve whose main functions are to prevent medium backflow, prevent the pump and drive motor from reversing, and prevent the discharge of medium in the container. Check Valve can also be used on pipelines that supply supplementary fluid to auxiliary systems where the pressure may rise above the system pressure. Check Valves can be mainly divided into Swing Check Valves (rotating by center of gravity) and Lift Check Valves (moving along the axis).

Function of Vertical Check Valve

The function of this type of valve is to allow the medium to flow in only one direction and prevent reverse flow. Usually, this type of valve works automatically: under the pressure of the fluid flowing in one direction, the valve disc opens; when the fluid flows in the reverse direction, the fluid pressure and the self-aligning valve disc act on the valve seat, thereby cutting off the flow.

Technical Parameters of Vertical Check Valve

  • Specification: 1/2"-4" (DN15--DN100mm)

  • Design Standard: ASME B16.34

  • Material: WCB, CF8 (SS304), CF8M (SS316), SS201

  • Wall Thickness Standard: ASME B16.34, GB12224

  • Pressure: 1000WOG/PN63

  • Inspection Standard: API 598, EN12266


Tag: Check-Valves

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