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      5. DELCO Normally Closed Stem Welded Pneumatic Angle Seat Piston Valves

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      Angle seat valves
      Angle seat valve
      Welded angle seat valves

      DELCO Normally Closed Stem Welded Pneumatic Angle Seat Piston Valves

      DELCO Welded Pneumatic Angle Seat Piston Valves are designed for use with all types of liquids and gases. Valves made of copperplate are ideal for applications involving water, oil, and compressed air. On the other hand, the stainless steel version is suited for both neutral and aggressive liquid and gaseous media. These valves are also capable of operating in rough vacuum environments. The maximum working pressure is 16 bar (232 psi), though this may vary depending on the specific valve model.

      型號： Welded Angle Seat Valve
      尺寸範圍： 1/2”~2-1/2”
      壓力範圍： 0~1.6MPa
      材質： 不銹鋼 304/306

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        DELCO Pneumatic Welded Angle Seat Piston Valves

        A pneumatic angle seat valve offers a high flow rate and can operate at zero pressure difference and high temperatures. It is also suitable for handling high viscosity and dirty media. To operate in an explosive environment (Eex area), simply place the pilot valve outside the area. The valve is controlled by a pneumatic actuator driven by a three-way solenoid valve. The pilot medium pressure enters the actuator cylinder, pushing the piston to open or close the gasket through the stem. The gasket returns to its default position thanks to the return spring in the pneumatic actuator.
        There are two types of pneumatic angle seat valves: single-acting and double-acting.

        Single-Acting Valve

        • Design: Typically has one port on the pneumatic head.
        • Operation: Uses a spring to return to its default position. It is further classified into normally open and normally closed types based on the spring function.

        Double-Acting Valve

        • Design: Typically has two ports on the pneumatic head.
        • Operation: The air supply controls the opening and closing. For more precise control, a double-acting valve can be combined with a spring return, as per customer requirements.

        閥體技術參數

        Actuator material Stainless steel or PolyamidePA 閥體材質 SS304, 316, 316L
        Seat material PTFE, F46 閥桿材質 SS304, 316, 316L
        Ambient temp -30℃~180℃ 壓力 0~1.6MPa
        Connection Type Welding, flange, thread, clamp Control type Single-acting, double-acting
        適用介質 Water, natural gas or liquid alcohol, oil, organic solvent, steam 可選配件 Solenoid valve, limit switch box, positioner, etc

        Welded Angle Seat Valve

        angle seat valves
        Welded angle seat valves
        尺寸 Inch d D L H A E Actuatar
        DN15 1/2″ 15.5 19.5 100 137 175 64 50
        DN20 3/4″ 21.5 26.5 120 145 180 64 50
        DN25 1″ 28.5 32.5 140 185 215 80 63
        DN32 1-1/4″ 33 38.5 155 210 235 80 63
        DN40 1-1/2″ 46 52 170 260 245 80 63
        DN50 2″ 57 64 190 300 325 100 80
        DN65 2-1/2″ 68 77 200 340 355 100 80
        DN80 3″ 82 92 220 385 400 126 100

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