Bell & Gossett Check-Trol™ Flow Control Flange, Isolation, 1-1/4 in Pipe, 150 psi Maximum, 200 deg F, Steel, Polished Chrome, 4-7/16 in L Dimensions
The Check-Trol flange is a combination isolation valve, flow control valve, and companion flange for circulators. The ball valve allows the circulator to be removed from the system without draining the system. The internal spring check prevents gravity circulation. Free floating companion flange makes pump installation a snap.