Proportion-Air, Inc. products

The GX series offers our highest direct pressure control in a regulator, ideal for static applications in industrial environments.

The QB3H high pressure valve is ideal for applications requiring high pressures and high flows or constant flow, especially in laser cutting applications that use oxygen.

The QBX pressure control valve is a closed-loop electronic air pressure regulator designed to work in almost any environment.

The QB3 pressure control valve is a complete electronic pressure regulating package consisting of two solenoid valves, a control circuit, a pressure transducer, an integrated air pilot operated volume booster and a rugged housing.

QPV ultra high resolution electro-pneumatic closed-loop proportional pressure control valves are ideal for very sensitive applications such as leak testing at low pressures, dispensing and microfluidics flow control.

The QB4 high flow electronic control valve is a space-saving, compact closed-loop electronic pressure regulator. The QB4 is made up of two solenoid valves, an internal pressure transducer and an electronic control circuit mounted to an integrated volume booster.

The MPV ultra high resolution, manifold mountable electro-pneumatic closed-loop proportional pressure control valve uses variable orifice valves, eliminating the digital steps of traditional ON/OFF solenoids.

The QL3 high resolution, high flow electro-pneumatic pressure regulator allows high volumes of air to move quickly and precisely.

The SPV is a compact high-resolution valve offering proportional pressure control with very fine repeatable pressure steps.

The BD3 is our simplest dome-loaded regulator, or 1:1 “mimic” valve. It uses a pilot and can be internally or externally sensed. The BD3 has a diaphragm for better response and/or more precise pressure or vacuum control than piston-type regulator.