This 4 inch flow measurement valve monitors system flow in medium to high flow rate HVAC units providing a highly accurate flow measurement. It 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.
WATTS® Flow Measurement Valve, 4 in Nominal, Flanged, 175 psi, 125 lb, 250 deg F, Checked Metering Port, Media: Water, 9 in Inlet to Outlet Length, Semi-Steel Body, PTFE Stem Seal
Body Material
Semi-Steel
End Style
Flanged
Inlet to Outlet Length
9 in
Media
Water
Nominal Size
4 in
Port Type
Checked Metering
Pressure Class
125 lb
Pressure Rating
175 psi
Series
CSM-81-F
Softgoods Material
PTFE Stem Seal
Temperature Rating
250 deg F
- Positive shut off
- Low torque
- Brass 1/4 in SAE 45 deg flare pressure taps
- Flanged end connections