Proportion-Air, Inc.

Electronic Pressure Regulator uses O-rings for seat.
Controls & Controllers

Electronic Pressure Regulator uses O-rings for seat.

Model QB3 incorporates electronic pressure sensor that detects downstream pressure at work port for accurate regulation. Replaceable O-rings for intake and exhaust valve are set into groove that captures O-ring, but leaves room to move slightly and seal correctly for positive shut-off. Regulator accepts 0-10 V or 4-20 mA command signal and provides analog output that corresponds to actual...

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Electronic Pressure Regulator delivers high relief flow.
Controls & Controllers

Electronic Pressure Regulator delivers high relief flow.

Offering reverse flow rates in excess of 25 scfm @ 100 psi, the QB3 electronic pressure regulator makes backpressure and high relief applications possible without use of a quick exhaust valve. It uses solid-state pressure sensor to monitor pressure at work port and electronically adjusts the integral regulator to desired pressure by filling or exhausting air from system. Product can be calibrated...

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