The isolation flange is a combination of an isolation ball valve and a companion flange for circulators. The isolation flange allows easy service or replacement of the circulator without the need to drain the system. The isolation flange fits the Bell & Gossett NRF/NBF/SSF wet rotors, Series PL, Series 100, PR and LR circulators.
Free floating flange allows easy alignment and installation of pumps|Isolates the circulator so you don't need to drain the entire system|50 state lead free|Suitable for use with NRF/NBF/SSF, Series PL-30, PL-36, PL-55,Series 100, PR and LR B and G circulators|Construction: Lead-free brass valve body, chrome plated steel flange and lead-free brass ball
Bell & Gossett Isolation 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