• B&G’s powerful, dry-motor design delivers exceptional performance • 25% more efficient than competition • Precision-machined and balanced alloy steel rotor for superior performance. • Solid “Stiff-Shaft” design is constructed of high-strength alloy steel impervious to cracking caused by thermal stresses. • XL-11™ Precision-Crafted Bearing System • Permanently oil lubricated • Completely maintenance free
• Advanced close-coupled design increases pump life and efficiency, assures dependable seasonal start-ups and can easily handle difficult water conditions
• Tough, durable seal system features a carbon/silicon carbide seal on a stainless steel shaft sleeve for long life and rugged operation
• Double sided stainless steel neck ring for optimum efficiency
APPLICAtIons
Residential and light commercial heating and potable water systems.
A
System Lubricated Iron Body Circulators NRF-22
Model DEsCrIPtIon
• High starting torque for dependable seasonal start-ups (Up to 80% more than competing circulators) • Unique B&G DuraGlide Bearing System assures years of trouble-free start-ups
• Closed impeller design improves operating efficiency • Backed by B&G’s representatives and a 3-year warranty--the best in the business
• DuraGlide Bearing System incorporates several components working together to eliminate seasonal freeze-up
• Stabilized, heat resistant, polypropylene impeller, its closed design improves operating efficiency • Self-cleaning particle shield protects the shaft and bearings from system start-up debris
• One-piece, high-nickel stainless steel stator can isolates the stator from system fluid and maintains precision bearing alignment for longer bearing life • Carbon bearings, diamond-like ceramic shaft and generous clearances are more resistant to lime, chloride and oxide build-up
• Face plate and rotor sleeve feature corrosion resistant stainless steel construction for longer life