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    1-1/2" Brass Vertical Check Valve

    Durable 1-1/2" brass non return valve, 40mm vertical check valve, working pressure 1.6Mpa and threaded connection, designed to use in water and air systems to prevent backflow and maintain fluid control.
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    Delivery date: 6-12 days

    1-1/2 inch (DN40) brass vertical check valve allows fluid flow in one direction while preventing backflow in the opposite direction. This NRV return valve is particularly used in applications including piping, water distribution, irrigation and industrial processes.


    • Model: ATO-T403
    • Nominal Diameter: DN40 (1-1/2 inch, 40mm)
    • Material: High-Quality Brass
    • Applicable Temperature: -10℃≤t≤120℃
    • Working Pressure: 1.6Mpa
    • Connection Form: Thread
    • Weight: 620g

    Dimension (Unit: mm)

    H: 67mm D: 68mm

    Vertical check valve dimension


    1-1/2 inch vertical NRV valve is commonly used in piping systems to maintain the unidirectional flow of fluids, preventing the reversal of fluid or gas in a pipeline. They find applications in various industries, including water treatment, wastewater management, chemical processing, and oil and gas. 

    Vertical check valve applications

    Tips: Brass Check Valve vs. Stainless Steel Check Valve

    Brass check valves and stainless steel check valves are distinct in terms of material composition, corrosion resistance, cost, and weight. Brass check valves are crafted from a copper and zinc alloy, offering good corrosion resistance suitable for various applications. However, their corrosion resistance may not match that of stainless steel. Brass valves are often chosen for their cost-effectiveness and find common use in plumbing systems and industrial applications.

    On the other hand, stainless steel check valves are manufactured from steel alloyed with chromium, providing exceptional corrosion resistance, and making them ideal for harsh environments, including marine and chemical applications. Although stainless steel check valves are more expensive than their brass counterparts, they offer superior durability and resistance to corrosion, ensuring a longer lifespan. The denser nature of stainless steel makes these valves heavier compared to brass ones.

    The choice between brass and stainless steel check valves depends on specific application requirements. If cost is a primary concern and the environment is not highly corrosive, brass check valves may be suitable. However, for applications demanding robust corrosion resistance and durability, stainless steel check valves are the preferred choice, albeit at a higher cost.

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