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Automatic Control Valves

CP14SS

Rate-of-Flow Pilot

Lead Free* Models Available

Size(s):

3/8 in

Description:

The Model CP14SS is a direct acting, diaphragm actuated Pilot that
senses and responds to changes in a differential pressure signal. The differential pressure signal is usually created by an orifice plate
located downstream of the Main Valve. The Pilot has two sensing
chambers, one above and one below the diaphragm. The “low” pressure signal is sensed above the diaphragm (inside the sealed spring cage), and the “high” pressure signal is sensed directly below the diaphragm through the outlet port connection.

An increase in flow rate causes the differential pressure across the
orifice plate to increase. The Pilot modulates toward a closed position when the differential pressure signal increases above the control setpoint, causing the Main Valve to modulate toward a closed position, decreasing flow rate.

A decrease in flow rate causes the differential pressure across the
orifice plate to decrease. The Pilot modulates toward an open position
when the differential pressure signal decreases below the control
setpoint, causing the Main Valve to modulate toward an open position, increasing flow rate.

Turning the adjustment screw clockwise raises the control setpoint,
increasing flow rate. Turning the adjustment screw counterclockwise
lowers the control setpoint, decreasing flow rate.

The CP14SS is equipped with one 3/8 in NPT inlet and three outlet ports for ease of installation and a 1/8 in NPT sensing port. The 1/8 in sensing port above the diaphragm is used to monitor the “low pressure” differential signal.

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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

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*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.

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