Bell & Gossett 101222 1" NPT companion flange set for Series 60 in-line centrifugal pumps. This isolation ball valve flange set provides a compact shut-off and service connection for hydronic HVAC systems. Constructed for reliable performance in closed-loop heating and cooling applications.

Bell & Gossett pair of 1" NPT ball valves mounted on a pump flange with capscrews and nuts. This isolation flange can be used on the following B&G circulators: NRF, NBF, and SSF wet rotors, Series PL-30, PL-36, and PL-55, Series 100, PR, and LR pumps. Isolation flanges combine a circulator flange and ball valve to allow the circulator to be isolated from the system for quick and easy removal. It also allows pump throttling.