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.
NPT x Flange connection|Lead free|Valve body is lead-free brass|Ball is chrome plated lead-free brass|Packing is PTFE|Seat ring is PTFE|Stem is lead-free brass|Spring check is nitrile, acetal, stainless steel|Product contains less than 0.25% lead content by weight on wetted surface|Use with following circulator: ecocirc auto and vario, ecocirc XL 20-35, 36-45, 55-45, NRF/NBF/SSF Wet Rotors, Series PL-30, PL-36, PL-55, Series 100, PR and LR
Bell & Gossett Check-Trol Flow Control Flange, Isolation, 1 in Pipe, 150 psi Maximum, 200 deg F, Steel, Polished Chrome, 4-7/16 in L Dimensions