2 1/2 to 8 in. (65 to 200mm)
Series CSM-81-F Flow Measurement Valves monitor system flow in medium to high flow rate HVAC units providing a highly accurate flow measurement. It consists of a 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. Series CSM-81-F is ideal in hot/chilled water units such as, fan coil units, water source heat pumps, reheat coils, panel coils, branch lines, and pumps. Maximum Working Pressure: 175psi (12 bar).