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    3/4" Pneumatic Angle Seat Valve, 3 Way

    3/4" (DN20) Pneumatic angle seat valve, 3 way boasts a maximum working pressure of 1.6MPa. The control pressure range of 0.3-0.8MPa provides precise control over the valve's operation. Operating seamlessly in temperatures ranging from -10℃ to +180℃ for the medium and -10℃ to +80℃ for ambient conditions.
    SKU: ATO-S3-DN20
    30-day Returns
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    Delivery date: 6-12 days

    Featuring a threaded connection for easy installation. Its applicability extends across different mediums, including water, steam, oil, neutral gas or liquid, organic solvents, acid-base solutions, and more.


    Model ATO-S3-DN20
    Work pressure Max1.6MPa
    Control pressure 0.3-0.8MPa
    Control medium Neutral gas or air
    Body material CF8M
    Actuator material CF8
    Material 304 stainless steel
    Seal material PTFE
    Medium temperature -10℃~+180 ℃
    Ambient temperature -10℃~+80℃
    Control type Normally closed, Double acting with spring, Doubleacting with compressed air.
    Connection Thread
    Applicable medium Water, steam, oil, neutral gas or liquid, organic solvent, acid base solution, etc
    Weight 3kg


    1-2 pneumatic angle seat valve 3 way function

    Pressure Date

    Single acting, with strong spring

    Size Actuator lnterface lnner hole (mm) Flow rate AB KV (m2/h) AC Differential pressure range P (MPa) AB / AC Differential pressure range ∆P (MPa) C⟶A Control pressure (MPa)
    DN20 50 3/4" 18 5.8 6.5 0-1.6 1.4 0.45-0.65

    Dimension (Unit:mm)

    1-2 pneumatic angle seat valve 3 way

    Size Actuator Q C R G A K L SW Weight(kg)
    DN20 50 G1/8 60 33 1/2" 230 60 75 32 3

    Tips: What materials are used of pneumatic angle seat valves?

    • Stainless Steel: Stainless steel is a common material for pneumatic angle seat valves due to its excellent corrosion resistance. It is ideal for applications where exposure to corrosive substances, high temperatures, or aggressive environments is expected. Stainless steel valves are suitable for industries such as chemical processing, pharmaceuticals, and food and beverage.
    • Brass: Brass is another frequently used material for valve construction. It offers good corrosion resistance, particularly in less aggressive environments. Brass valves are often chosen for applications where cost-effectiveness and moderate corrosion resistance are priorities.
    • Alloys: Various corrosion-resistant alloys, such as bronze or nickel alloys, may be employed based on the specific requirements of an application. These alloys enhance the valve's resistance to corrosion, making them suitable for challenging industrial settings where standard materials might not suffice.
    • Seals and Gaskets: The seals and gaskets within the valve are crucial components that come in direct contact with the fluid. Materials like PTFE (polytetrafluoroethylene) or EPDM (ethylene propylene diene monomer) rubber are often used for these components. PTFE provides excellent chemical resistance, while EPDM offers good elasticity and resistance to water and steam.
    • Piston/Diaphragm Material: The internal moving parts, such as the piston or diaphragm, are typically made from materials like stainless steel or synthetic materials such as reinforced elastomers. These materials ensure the reliable operation of the pneumatic actuation system and resistance to wear and tear.
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