Product Catalogue
24Pages

PRODUCT CATALOG Electro-Pneumatic Control Valves Vacuum to 1000 psi, Pressure Regulators and Accessories Vacuum to 7000 psi, Flow Controls • ANALOG • DIGITAL • SERIAL 317-335-2602

ABOUT PROPORTION-AIR Closed loop electro-pneumatic controls are Proportion-Air, Inc.’s only business. Their competitors are making thousands of products one way. Proportion-Air, Inc. manufactures one product thousands of ways. HISTORY Proportion-Air, Inc. is a manufacturer of electronic air pressure regulators and air flow control valves. Proportion-Air, Inc. was founded in 1985 by corporate President Daniel E. Cook to capitalize on the sales and marketing prospects of the unique invention of an electronic air pressure regulator. This air pressure device was designed to accept a variety of...

PRESSURE CONTROL Advanced Pneumatic Control Technology Many manufacturing processes demand the need for closed loop pneumatic pressure control. Control loops are a chain of events or processes that always lead back to the point of origin. The feedback loop allows the system to achieve the greatest level of accuracy. Since Proportion-Air is committed to providing the customer with exceptional products and service to meet this demand, all Proportion-Air electro-pneumatic control valves utilize closed loop control technology. Proportion-Air manufactures both single and dual closed loop control...

PRESSURE CONTROL Pressure Range: Full vacuum to 175 psig (12 bar) Accuracy/Repeatability: +/- 0.2% F.S. / +/- 0.02% F.S. Max Flow: 1.2 scfm (34 slpm) 1/8” NPT Ports The QB1T & QB2T electro-pneumatic closed loop pressure control valves are in a compact IP65 rated housing. Analog monitor output is standard, select 0-10 VDC or 4-20 mA. The dual loop accepts a feedback signal from a wide range of external sensors. These valves are unaffected by mounting position or vibrations to 25Gs. They operate with standard industrial air filtered to 40 micron while not consuming air in a steady state,...

PRESSURE CONTROL Pressure Range: Full vacuum to 175 psig (12 bar) Accuracy/Repeatability: +/- 0.2% F.S. / +/- 0.02% F.S. Max Flow: 1.2 scfm (34 slpm) 1/8” NPT Ports The QB1X & QB2X electro-pneumatic closed loop pressure control valves are in a compact IP65 rated housing. Analog monitor output is standard, select 0-10 VDC or 4-20 mA. The dual loop accepts feedback from signal from a wide range of external sensors. Available with an aluminum or 303 stainless steel manifold. These valves are unaffected by mounting position or vibrations to 25Gs. They operate with standard industrial air...

PRESSURE CONTROL Pressure Range: Full vacuum to 150 psig (10 bar) Accuracy/Repeatability: +/- 0.25% F.S. / +/- 0.2% F.S. Max Flow: 30 scfm (850 slpm) 1/4” NPT Ports The QB3 is a complete electronic pressure regulator package consisting of two feed and bleed solenoid valves, a control circuit, a pressure transducer, an integral air pilot operated volume booster and a rugged IP65 housing. Analog monitor output is standard, select 0-10 VDC or 4-20 mA. Select 0-10 VDC or 4-20 mA differential command signal. Available options include digital display, manifold mount, a variety of wetted...

PRESSURE CONTROL Pressure Range: 0-5 psig through 0-125 psig (8.6 bar) Accuracy/Repeatability: +/- 0.4% F.S. / +/- 0.05% F.S. Max Flow: 25 scfm (708 slpm) 1/4” NPT Ports The QL3 electro-pneumatic closed loop pressure control valves are in a compact IP65 rated housing. The QL3 allows high volumes of air to move quickly and precisely using proportional solenoid valves with a unique analog PID circuit. Ideal for use with flow meters, it provides high resolution and smooth pressure control at high and low flow rates and avoids the “steps” prevalent in most feed and bleed I/P’s. The output is...

PRESSURE CONTROL Pressure Range: Full vacuum to 1000 psig (69 bar) Accuracy/Repeatability: +/- 0.25% F.S. / +/- 0.2% F.S. Max Flow: 10 scfm (283 slpm) 1/8” NPT Ports The GP1 & GP2 high pressure control pressure valve offers precision pressure control without the need for a ratio amplifier. This series includes a power and status indicator LED and is field serviceable. Analog monitor output is standard, select 0-10 VDC, 4-20 mA TTL. Select 0-10 VDC or 4-20 mA differential command signal. Available options include digital display and manifold mount. The GP1 & GP2 can be assembled to a volume...

PROPORTIONAL PRESSURE CONTROL Pressure Range: Full vacuum to 150 psig (10 bar) Accuracy/Resolution: +/- 0.25% F.S. / up to +/- 0.005% F.S. Max Flow: 1 scfm (28 slpm) 1/8” NPT Ports The MPV is an ultra-high resolution electro-pneumatic closed loop proportional pressure control valve. It utilizes a variable orifice valve on the inlet side which eliminates the digital steps of a 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...

INTRINSICALLY SAFE PRESSURE Pressure Range: up to 150 psig (10 bar) Accuracy/Repeatability: +/- 0.5% F.S. / +/- 0.2% F.S. Max Flow: 1.2 scfm (34 slpm) 1/8” NPT Ports The ISQB1 is an intrinsically safe-Factory Mutual (Class I, II, III, Division 1 Groups C, D, E, F, G) electro-pneumatic closed loop pressure control valve. Offered with standard 4-20 mA analog command signal. It can be assembled to air piloted regulator for high flow, higher pressure and various media control. Pressure Range: Full vacuum to 150 psig (10 bar) Accuracy/Repeatability: +/- 0.5% F.S. / +/- 0.2% F.S. Max Flow: 1.2...

FLOW MONITORS Pressure Range: up to 150 psig (10 bar) Accuracy/Repeatability: +/- 4% F.S. / +/- 0.25% F.S. Max Flow: 250 scfm (7,079 slpm) 1/4” to 1 ½” NPT Ports Available FR flow monitor is a pressure regulated mass flow transducer which provides flow measurement in real time, less than 10ms. There are no moving parts and it is immune to vibration up to 25G. They operate with standard industrial air filtered to 40 micron while not consuming air in a steady state, reducing operating cost. Saturated or lubed air will not affect performance. It is an ideal flow monitoring device where real...