Watts CSM-91 4 - Part of the CSM-91 Series Strip Drian Mesh Size: 3/4” openings for

Mesh Size: 3/4” openings for versatile applications

The maximum pressure is 125 psi (8

a heel-proof ductile iron grate

1 1/4 to 2 IN 009M1

Round nickel-bronze hinged solid cover strainer for controlled access and protection

Watts CSM-91 4 - Part of the CSM-91 Series Strip Drian Mesh Size: 3/4” openings forThis 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 ductile iron body construction, pressure differential readout ports on both sides of the valve, two interchangeable brass metering ports and drain ports on both sides of the valve, two check valves with gasketed caps, bronze valve stem and plug disc, multi turn adjustment handwheel, tamper proof