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- Brand: Bell & Gossett
- Check-Trol is the solution for circulator installations. Installing a Check-Trol on the discharge of the circulator gives you the features of a Flow Control Valve, Isolation Valve and Companion Flange. Another advantage of the Check-Trol is the minimal pressure drop, especially when compared to the losses that can be experienced when a check valve is installed internal to the circulator. The Check-Trol flanges are packaged with an isolation flange of the same size to create a pair.
- Combines three valves in one-isolation valve, check valve and companion flange|Free floating flange allows easy alignment and installation of pumps|Prevents gravity circulation|Isolates the circulator so you don't need to drain the entire system|50 state lead free compliant|Suitable for use with Model NRF/NBF/SSF, Series PL-30, PL-36, PL-55, Series 100, PR, and LR B and G circulators|Contains less than 0.25% Lead content by weight on wetted surface|Construction: lead free brass valve body, chrome plated steel flange and lead-free brass ball, nitrile/acetal/stainless steel spring check
- Bell & Gossett Check-Trol Isolation Flow Control Flange, 1-1/4 in Nominal, C, 150 psig, 200 deg F, Handle Actuator, Brass Body, Brass Trim, PTFE Packing Seat Ring, Polished Chrome, 4-7/16 in Flange, 3-25/64 in Inlet to Outlet Length x 3 in Top to Inlet Center Valve