Bell & Gossett Check-Trol™ Isolation Flow Control Flange, 1 in Nominal, C, 150 psig, 200 deg F, Handle Actuator, Brass Body, Brass Trim, PTFE Packing Seat Ring, Polished Chrome, 4-7/16 in Flange, 3 in Inlet to Outlet Length x 2-5/32 in Top to Inlet Center Valve
Combines three valves in one-isolation valve, check valve and companion flange
Free floating flange allows easy alignment and installation of pumps
Prevents gravity circulation
Isolates the circulator so you don't need to drain the entire system
50 state lead free compliant
Suitable for use with Model NRF/NBF/SSF, Series PL-30, PL-36, PL-55, Series 100, PR, and LR B and G circulators
Contains less than 0.25% Lead content by weight on wetted surface
Construction: lead free brass valve body, chrome plated steel flange and lead-free brass ball, nitrile/acetal/stainless steel spring check