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| New 3-speed NRF circulators Bell & Gossett has introduced new 3-speed NRF wet rotor circulators for residential and light commercial heating systems. The new Bell & Gossett circulators - models NRF-36 and NRF-45 - are equipped with 3-speed motors, which allow the pumps to cover a wide range of hydraulic capabilities. Benefits of the 3-speed NRF circulator line include: - Three-speed switch provides more performance flexibility; - Multiple hydraulic settings allow one NRF pump to replace several competitors' pumps, resulting in lower inventory levels; - High starting torque; - Unique Bell & Gossett DuraGlide Bearing System; - Heat resistant and non-metallic closed impeller design; - Self-cleaning particle shield. write your comments about the article :: © 2006 Construction News :: home page |