New High-Flow Model Proportional Valve Saves Space and Power in Miniature Portable Applications


The HFPro, a high-flow proportional valve and the latest addition to Parker’s highly successful family of MDPro proportional valves uses the same small 15mm x 15mm x 45mm body as the MDPro but offers flow up to ~ 45 lpm at 25 psi, a 20 lpm increase over the next smaller orifice in the product line.

This increased flow capability enables a single valve to be used where two were previously required, saving precious space and power consumption, important for today’s light weight portable medical and analytical instruments. This valve is ideally suited for respiratory therapy medical devices and higher-flow gas control applications.

The HFPro features both 5mm ID barbed and face seal manifold bodies and three standard control voltage ranges (0-5, 0-12 & -24 VDC). It also consumes less than 3 watts while continuously regulating full flow at maximum ambient temperatures of 50 degrees Celsius. Additional features include wire-leaded electrical termination, an FKM elastomer, and a 35 million life cycle rating.

The HFPro is part of a complete line of standard precision and high flow proportional control valves and is available now from Parker Pneutronics.

The Pneutronics Division of Parker Hannifin provides precision control of inert and aggressive gas and liquid media through its full range of high performance miniature fluidic products and systems. With application-specific solutions ranging from miniature digital and proportional solenoid valves and pumps to electronic pressure control modules, Pneutronics meets the stringent operating requirements of OEM instrument builders worldwide.

With annual sales exceeding $9 billion, Parker Hannifin is the world's leading diversified manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of commercial, mobile, industrial and aerospace markets. The company employs more than 57,000 people in 46 countries around the world. Parker has increased its annual dividends paid to shareholders for 50 consecutive years, among the top five longest-running dividend-increase records in the S&P 500 index.


Valve Type: 2-Way Normally Closed Media: Air, oxygen, hydrogen, heliox, carbon dioxide, argon, nitrogen & others Operating Environment: 32 to 131°F (0 to 55°C) Storage Temperature: -40 to 158°F (-40 to 70°C) Length: 1.35 in (58 mm) Width: 1.0 in ( 25 mm) Height: 2.29 in (35 mm) Porting: Manifold Mount; 1/8 NPT Optional Manifold Weight: 0.104 lbs (47 grams) Filtration: 40 Micron (Customer Supplied) Oxygen Service Clean: Standard
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