Watts Series CSM-81-F Flow Measurement Valve

Series CSM-81-F Flow Measurement Valves are designed for application on medium to high volume flow rate HVAC units. The CSM-81-F’s lubricated plug design, extended throttling range and large indicator plate provide accurate flow measurement and long service life. CSM-81-F’s unique cylindrical plug design provides full flow with minimal pressure drops and low operating torque. Large wrench flats on the external plug surface make setting or closing the valve simple. Series CSM-81-F valves feature easily accessible checked metering ports with drip caps to facilitate system balancing and flow measurement. These valves also provide positive shutoff, eliminating the need for a separate service valve.

This 0036540 2 1/2 inch flow measurement valve consists of semi-steel body construction with a low-torque cylindrical plug design, flanged end connections, checked metering ports with drip caps, position indicator plate, positive shutoff, and two brass pressure taps. It is ideal in hot/chilled water units such as fan coil units, water source heat pumps, reheat coils, panel coils, branch lines, and pumps.

FEATURES:

• Accurate flow measurement
• Flanged end connections
• Positive shutoff
• Checked metering ports
• Low torque