Features
- Cv = 9; Flow capacity of 500 SCFM (850 m3/HR).
- Ratio Accuracy of 0.5%.
- Fixed deadband between the operation of the supply valve and exhaust valve.
- Integral bypass needle valve.
- Soft seat supply and exhaust valves
- Pressure balanced supply valve
- Damped diaphragm control chamber.
- Two accessory ports connected to the outlet chamber.
- Tapped exhaust port.
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Benefits
- Fast response for quick valve opening and closing times.
- Highly Accurate valve control for your system.
- Provides accurate and stable final positioning of the valve.
- Optimizes response time and stability.
- Provide efficient leak free operation and prevents hunting, especially when used with modern electronic feed & bleed type Valve Positioners.
- Maintains deadband specification preventing changes in control characteristics when supply pressure changes.
- Protects valves from damaging oscillation under high flow conditions.
- Provide convenient access to the outlet for additional control accessories and pressure monitoring.
- Allows for easy collection of exhaust air or use of a silencer.
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