Pneumatic Female Angle Seat Valve with Plastic Actuator

Pneumatic Female Angle Seat Valve with Plastic Actuator

• We manufacture Pneumatic Welded Angle Seat Valve, Pneumatic Tri Clamp Angle Seat Valve, Female Pneumatic Angle Seat Valve, Flanged Angle Seat Valve.
• Large flux, small flux resistance, no water hammer.  Stem automatic correction, self-lubrication, without maintenance.  
• Y type design, 30% increase in traffic. Angle seat valve can be installed in any position, can rotate 360 degree.
• Cylinder adopts stainless material or polyamide PA can satisfy the use in harsh environment.
• Angle seat valves are operated pneumatically such that air pressure is used to control the piston actuator, which lifts the valve plug off its seat. Normally Closed (NC) valves usually have the valve closed in unpressurized conditions and use a spring to return the valve to the rest state. Normally Open (NO) valves have the valve opening always open unless air pressure acts to close it. A NO valve can be obtained if the spring is placed on the opposite side of the piston actuator. Double Acting valves can be used to handle flow in both directions. These valves have no spring and depend on the supply air to determine the valve position. These configurations influence the pressure rating of the valve. Flow up and under the valve (causing valve to open) will reduce water hammer effect but reduces the maximum working pressure of the valve by typically 50%. However, fitting a strong return spring will help increase the working pressure but a larger actuator will be required to overcome this increased spring strength. With flow over seat (causing valve to close), a full working pressure is achieved and water hammer can be reduced by restricting the compressed air supply flow.

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