Low Flow Miniature Proportional Valve

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Description
The Low Flow Miniature Proportional Valve provides enhanced flow control for applications where precise control flow control is required between 0 to 500 sccm. Like the VSO miniature proportional valve, the Low Flow miniature proportional valve provides precise flow control of gas in proportion to input current.
The valve can be controlled with either DC current or pulse width modulation along with closed loop feedback to deliver optimal system performance. Together with its ability to provide precise control over a wide range of media, the Low Flow miniature proportional valve is ideally suited for manufacturers of Gas Chromatography and Mass Spectrometry equipment.

Features of Low Flow Miniature Proportional Valve
1. Enables precise low flow (0 - 500 sccm) control for improved instrument accuracy
2. Thermally compensated to maintain precise flow over a wide range of media
3. Computer automated calibration and serialization for performance traceability
4. Cleaned for Oxygen and Analytical Service use
5. Proven performance tested to 10 million life cycles
6. RoHS compliant

Typical Applications 1. Gas Chromatography
2. Mass Spectrometry
3. Pressure & Flow Control
4. Mass Flow Control

Performance Characteristics of Low Flow Miniature Proportional Valve

Typical Applications	Gas Chromatography, Mass Spectrometry, Pressure & Flow Control, Mass Flow Control
Performance: Flow Rate Range	0 to 500 sccm
Performance: Pressure Range	0 to 150 psi
Orifice Sizes Available	.003" (0.076 mm)
Thermal Compensation	Thermally Compensated
Dimensions:	0.63 in (16.51mm)
Dimensions:	0.67 in (17.02mm)
Dimensions: Length	1.79 in (45.34mm)
Wetted Materials: Body/Stem Base	360 HO2 Brass, 430 FR Stainless Steel
Wetted Materials: Seals (Elastomer)	FKM
All Other Wetted Materials	300 Series Stainless Steel
Control Method	Current or Voltage
Cleanliness	Analytically Clean
Valve Configuration Type	2 Way Normally Closed
Life (# cycles)	> 10 Million cycles
Pneumatic Connection Options	Manifold Mount
Electrical Connection Options	18" Wire Leads
Voltage Configurations Available	6.5 VDC, 8 VDC, 12 VDC, 18 VDC, and 24 VDC
Leak Rate	<0.2 sccm of Helium
Power Consumption (W)	2.0 Watts Maximum
Weight (lbs)	2.2 oz (62.9g)

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