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    3/4" Stainless Steel Wafer Check Valve

    5 out of 5 based on 1 reviews | Write a review
    Quality wafer check valve is designed for regulating and controlling the flow of fluid through a pipeline while preventing backflow. Long life 3/4" stainless steel non return valve, DN20, PN 4 MPa, can transfer water/ oil/gas, suitable for aerospace or marine applications.
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    3/4 inch stainless steel check valve is a wafer type non return valve, used to allow fluid or gas flow in one direction while preventing backflow in the opposite direction. Lightweight wafer disc check valve with DN 20 and PN 4MPa can be installed in tight spaces.


    • Model: ATO-H71W
    • Check Valve Type: Wafer
    • Nominal Diameter: 3/4 inch (20mm)
    • Nominal Pressure: 4 MPa
    • Product Material: 304/316 Stainless Steel
    • Connection Form: Clip
    • Temperature Range: -20°C~180°C
    • Weight: 0.22kg
    • Applicable Medium: Water, Oil, Gas, Nitric Acid, Acetic Acid


    Wafer check valve dimensions

    Main Part Materials
    NO. Part Name Materials QTY
    1 BODY CF8/CF8M 1
    2 DISC CF8/CF8M 1
    3 SPRING S201/S304 1
    4 CAP CF8/CF8M 1
    Dimension (Unit: mm)
    Φd D D1 L±1.5
    17 50 54 29


    Wafer check valve is a type of check valve that is used to regulate and control the flow of fluids through pipelines while preventing backflow. High quality wafer check valve is typically used in applications where space is limited, such as in HVAC systems, water treatment plants, and industrial processes.

    Wafer check valve application

    Tips: What are the advantages of a wafer check valve?

    Wafer check valves offer several advantages over other types of check valves and are a popular choice for many applications. Some of the key advantages of wafer check valves include:

    1. Compact Design: Wafer check valves are lightweight and have a slim profile, which makes them ideal for use in applications where space is at a premium.
    2. Easy to Install: The wafer design of these valves allows them to be easily installed between flanges, which saves time and money during installation.
    3. Cost-Effective: Wafer check valves are often less expensive than other types of check valves, making them an affordable solution for many applications.
    4. Low Pressure Drop: Wafer check valves offer low pressure drop across the valve, which means that the system operates more efficiently.
    5. Versatile: Wafer check valves are suitable for a wide range of applications, including HVAC systems, water treatment plants, and industrial processes.
    6. Low Maintenance: Wafer check valves are generally easy to maintain, and require minimal maintenance compared to other types of valves.
    7. Effective Backflow Prevention: Wafer check valves provide effective backflow prevention, which helps to protect equipment from damage due to reverse flow or water hammer.
    Existing reviews of 3/4" Stainless Steel Wafer Check Valve
    Good as described
    As described, this 3/4" stainless steel wafer check valve is lightweight and easy to install. So far, it works great in my plumbing system.
    From: Tavi | Date: 28/03/2023
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