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    1-1/2 inch Brass Swing Check Valve

    Low price 1-1/2 inch (DN40) brass swing check valve comes with 1.6Mpa working pressure and thread connection. Horizontal check valve, reliable and low maintenance, used for the piping system to prevent backflow of water.
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    Delivery date: 6-12 days

    Swing type check valve (NRV valve) for sale online. It is a 1-1/2" horizontal non-return valve that can prevent the backflow of water. DN15, thread connection, ATO brass swing check valve widely used in oil and gas, petrochemical, water treatment, pharmaceutical and HVAC industries.


    • Model: ATO-TK401
    • Nominal Diameter: DN40 (40mm)
    • Valve Body Material: Brass
    • Connection Form: Thread
    • Valve Type: Horizontal Nor-return Valve
    • Applicable Temperature: -10°C≤t≤120°C
    • Working Pressure: 1.6Mpa
    • Weight: 560g

    Dimensions (Unit: mm)

    Brass swing check valve dimension

    DN L d H
    40 80 38 63


    ATO 1-1/2 inch brass horizontal swing check valve finds widespread usage across a variety of industries and applications, serving to prevent reverse flow and regulate fluid movement in plumbing systems, HVAC systems, industrial processes, water supply, irrigation, oil and gas pipelines, marine operations, and agriculture.

    Brass swing check valve applications

    Tips: Are there different types of check valves besides swing check valves?

    Yes, there are several types of check valves used in various applications. Here are three common types:

    • Swing Check Valves: Swing check valves, like the brass swing check valve you mentioned earlier, use a swinging disc or flap to control the flow of fluids. When the flow is in the forward direction, the disc swings open, allowing the fluid to pass. In reverse flow or backpressure, the disc closes under its weight, preventing fluid from flowing backward. Swing check valves are commonly used in plumbing, HVAC systems, and other applications.
    • Ball Check Valves: Ball check valves feature a spherical ball within the valve body. When fluid flows in the forward direction, the pressure lifts the ball, allowing the fluid to pass. When the flow reverses, the ball falls back into place, blocking the flow. Ball check valves are suitable for applications with quick, non-slamming shut-off requirements, such as in air and gas lines.
    • Wafer Check Valves: Wafer check valves are designed to prevent backflow and maintain one-way flow. These slim-profile valves fit between two pipeline flanges and are often used in applications where space is limited. Wafer check valves are commonly employed in industries such as water treatment, oil and gas, and chemical processing.

    These are just a few examples of the many check valve designs available, each tailored to specific applications and requirements, whether it's maintaining one-way flow, minimizing pressure drop, or accommodating various fluid types and conditions. The choice of check valve type depends on the specific needs of the system and the characteristics of the fluid being handled.

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