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All valves are supplied with 1/8" NPT inlet and outlet ports with flow ranges from 5 CCM to 68 LPM. The valve cartridge, when purchased separately, can also be integrally mounted in flow meter assemblies.
The economical control valve (CVS) is available in three needle tapers to cover the entire flow range. These units have a rising stem and provide nine turns from closed to full open.
The precision control valve (CVP) features a non-rising stem and eight different needle taper for fine control in very low flows. This valve offers sixteen turns from closed to full open. Its design is virtually hysteresis free and all materials are matched for similar coefficients of expansion.