Bell & Gossett 101231LF Isolation Flange, 3/4 in Connection, NPT, 150 psig Pressure, Steel Body, Chrome

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, LR and ecocirc 20-18 and ecocirc+ 20-18 circulators.