For all new applications, please see the QPVM Model. The QPVT will be retired soon.

Why is the QPVT considered a legacy product? The QPVT has been redesigned into a modern product that is more versatile and more efficient to manufacture with improved specifications – the QPVM.

What other products are considered “Legacy Products”? Please check here.

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Accuracy ±


Max Resolution ±

Max Flow (SCFM)

Max P2 (PSI)

QPVT Downloads & Links
Documents Links Downloads
Installation Guide QPVM Model File Request Form
Sales Brochure Submit From to Download QPVT .STEP Files

QPVT Technical Specifications


Pressure Range Accuracy Repeatability Max Flow
Vacuum thru 150 PSI (10.3 Bar) ±0.2% F.S. ±0.02% F.S. 1.2 SCFM (34 LPM)
Port Size Durability Operating Temps Filtration
1/8″ NPT (BSPP Available) Immune to shock & vibration (up to 20 Gs) 32-158°F (0-70°C) 40 Micron



QPV1T | Internal Sense

The QPV1 is a complete closed loop control valve consisting of valves, manifold, housing and electronic controls. Pressure is controlled by the use of two solenoid valves. One valve functions as inlet control, the other as exhaust. The inlet valve operates proportionally to the command supplied by the control circuit. This variable orifice effect allows precise control of pressure at low flow conditions and avoids the digital steps of traditional ON/ OFF solenoids. The exhaust solenoid is a standard ON/OFF solenoid and allows excess media to be vented from the system.


QPV2T | External Sense

The QPV2T has similar operation to the QPV1T, but uses an external pressure transducer to maintain pressure downstream should the application need to be controlled further downstream from the QPV2T. This external feedback is sent to the electronic controls. This feedback signal is compared with the command signal input. A difference between the two signals causes one of the valves to open, allowing flow in or out of the system. Accurate pressure is maintained by controlling these two valves. The feedback signal can come from a variety of different transducer types.


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