Bell & Gossett NRF Wet Rotor Circulators Are Designed For Use With Hydronic Heating Systems In Residential And Light Commercial Applications.
This selection of maintenance-free wet rotor circulators is available in Cast Iron or 100% lead-free Bronze construction, Bell & Gossett NRF circulators feature up to 80% more starting torque than its competitors and a maximum working pressure of 150 psi. Circulators are made with corrosion resistant stainless steel face plates and rotor sleeves. These rotor circulators have a DuraGlide bearing system that eliminates seasonal freeze-up to ensure efficient year-round use. One-piece high-nickel stainless steel stator isolates system fluid to maintain bearing alignment for long life. Corrosion and chemical resistant carbon bearings and ceramic shaft. Includes a self-cleaning particle shield to protect shaft and bearings from start-up debris. Heat resistant, non-ferrous impellor impeller is stabilized with a closed design to improve operating efficiency. Bronze Circulators are designed for potable water applications. UL listed.