Proportional valves
Parker proportional valves utilize powerful valve technology and are well suited for a variety of applications where precision and efficiency are a must.
Parker valves cover the entire performance range from standard to maximum dynamics. Industrial and mobile hydraulic proportional valves allow precise directional or flow control.
Parker process control valves are versatile for various applications requiring control of steam, gas, liquids or chemicals. In all cases, our customers benefit from reliable operation even under harsh conditions.
Our Subcategories:
Acro pinch valves
Shut-off valves
Check valves
Metering valves
Electronic pressure regulator
16+
GEA aseptic globe valves
GEA control tops
GEA hygienic double seat valves / Mixproof valves
GEA hygienic globe valves
GEA hygienic butterfly valves
ITT hygienic diaphragm valves
Keofitt sampling valves
Pinch valves
LoTo for hygienic and aseptic valves
Solenoid valves
Media isolation valves
Miniature valves
Pilot valves for pneumatic applications
Proportional valves
Sensor valves
Special valves
Amount of products: 7
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Proportional valvesMD Pro - Proportional miniature valve
The Parker MD PRO is a miniature 2-way, normally closed (NC) proportional valve. It controls gas flow proportional to the input stream for flow rates up to 56 slpm. When used with closed loop feedback, the MD PRO is an economical solution that provides repeatable pressure and flow control. The Parker MD PRO is ideal for applications such as respiratory therapy, anesthesia delivery and patient monitoring equipment.Parker Hannifin -
Proportional valvesHF Pro - Proportional miniature valve
The Parker HF PRO is a miniature 2-way, normally closed (NC) high flow proportional valve. It controls gas flow proportional to the input stream and can deliver flow rates up to 60 slpm at 50 psig. The valve can be controlled with either DC or pulse width modulation. It can also be used in conjunction with a closed loop to provide optimal system performance. The Parker HF Pro miniature proportional valve is an ideal choice for applications requiring repeatable pressure and flow control, such as respiratory and patient monitoring applications.Parker Hannifin -
Proportional valvesVSO Low Flow - Proportional miniature valve
The Parker VSO® Low Flow valve provides improved flow control for applications where precise flow control is required between 0 and 500 sccm. Like the VSO Miniature Proportional Valve, the VSO® Low Flow Miniature Proportional Valve provides precise flow control of gas in proportion to the input flow. The valve can be controlled with either DC or pulse width modulation along with closed loop control to deliver optimum system performance. Along with its ability to provide precise control over a wide range of media, the VSO® Low Flow miniature proportional valve is ideal for manufacturers of gas chromatography and mass spectrometry equipment.Parker Hannifin -
Proportional valvesVSO® Max HP - Proportional miniature valve for high pressure and high flow
The Parker VSO® MAX HP Series is a miniaturized, high-flow proportional valve that provides flow capacity to meet your OEM application needs. The valve delivers a wide range of controllable flows while consuming 25 % less energy than comparable miniature proportional valves. This helps to save battery time. The VSO® MAX HP Model 2 delivers 200 slpm flow at 45 PSI and is designed for higher operating pressures of 120 psi (8.27 bar), which is common in systems without a regulator. Model 4 delivers a flow of 180 slpm at 25 PSI and is designed for higher flow at lower pressure, which is common in systems with regulators. This allows for a smaller and more elegant medical device design. It also offers potential savings as well as three standard control voltage ranges (5, 12 and 24 VDC).Parker Hannifin -
Proportional valvesVSO® LowPro - Proportional miniature valve for analysis
Parker VSO® LowPro GC is a powerful miniaturized proportional valve that regulates the flow rate of common carrier gases from less than 1 SCCM up to 6.5 SLPM. LowPro GC is less than half the size and weighs less than half the weight of competitive valves. It isolates the carrier gas from the valve spool with excellent leakage performance, very high resolution, and best-in-class flow control stability when operating under extreme environmental conditions. -
Proportional valvesVSO® LowPro - Proportional miniature valve
The VSO® LowPro is a miniature proportional valve that regulates the flow rate of inert gases at pressures up to 100 PSIG (6.9 bar). Typical flow rates up to 57 SLPM with a typical power requirement of 1 watt at room temperature. With a width of only 16 mm and a height of 14 mm, the valve can be mounted in the smallest portable units. This improves both performance, size and weight. The valve has orifice sizes from 0.030 inch (0.76 mm) up to 0.080 inch (2.03 mm). It weighs only 12 g. Despite this, VSO® LowPro can perform the same function as valves three times its size, without compromising performance. Assembly requires only a simple, machined manifold.Parker Hannifin -
Proportional valvesVSO - Proportional miniature valve
The Parker VSO® miniature proportional valve provides improved flow control for applications where precise flow control is required up to 56 slpm. The VSO® valve provides precise flow control of gas in proportion to the input flow. The valve can be controlled with either DC or pulse width modulation along with closed loop control to provide optimum system performance. Along with its ability to provide precise control over varying temperatures and media types, the VSO® miniature proportional valve is ideal for medical and analytical equipment manufacturers.Parker Hannifin
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