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B&G Check-Trol™


Isolation Flow Control Flange

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.

Documentation: B_G Check Trol.pdf


Part No. Qty Unit Price
Check-Trol Isolation Flow Control Flanges

Can be used with most circulators, including NRF/NBF/SSF wet rotors (except NRF-45, NBF-45),

Series PL’s, Series 100, HV, PR, LR, Ecocirc and other manufacturers’ pumps.

101231LF 3/4" NPT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $56.43
101232LF 1" NPT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $67.32
101233LF 1-1/4" NPT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $89.76
101245LF 1-1/2" NPT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $96.36
101236LF 3/4" SWT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $53.46
101237LF 1" SWT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $67.32
101238LF 1-1/4" SWT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $89.76
101247LF 1-1/2" SWT x Flange (set of 1 Check-Trol flange & 1 isolation flange) $96.36

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