• Two loop, high resolution pressure control, +/-0.005% F.S.
• Proportional inlet valve avoids digital stepping
• Control pressure range from vacuum to 150 psig
• QPV2 accepts feedback signal from F-Series (flow transducer) closed loop flow control
• Field adjustable deadband & stability to optimize performance
• Variety of command signal options

Ultra High Resolution electro-pneumatic closed loop proportional pressure control valves. Two loop version accepts a feedback from wide ranges of external sensors. The QPV utilizes a variable orifice valve on the inlet side which eliminates the digital steps of traditional ON/OFF solenoid: The field adjustable hysteresis potentiometer allows users to virtually eliminate the dead-band of the control circuit, resulting in superior system resolution. Ideal for very sensitive applications such leak testing at low pressures and dispensing applications.