ARMSTRONG PUMPS INC.

About ARMSTRONG PUMPS INC.

Armstrong Pumps Inc., founded in 1934 in Canada, is a manufacturer of fluid-flow equipment for HVAC, plumbing, and industrial applications. The company is known for its line of circulator pumps, heat exchangers, and packaged systems, with a focus on energy efficiency and reliability in building services. 3G Electric supplies a range of Armstrong Pumps Inc. components and replacement parts, including shaft keys, oil wicks, air vents, pump bodies, and pump-less volutes for various circulator models such as the 32UM80/32UM81/32UM82/32UM83 series and Raypak, S-25, H-53, and H-32 circulators. These parts are designed to fit Armstrong-brand pumps and are also compatible with Bell & Gossett-brand circulators in certain applications. The product range covers mechanical and hydraulic components essential for maintaining pump performance, including seals, bearings, and volute casings. Armstrong pumps are typically built to industry standards for pressure ratings up to 175 psi and temperature ranges suitable for hydronic systems. 3G Electric supports global procurement of these parts, offering multiple SKUs with logistics coordination for plant engineers and maintenance managers who require specific OEM-spec components for repair or retrofit projects. The availability of individual parts like air vents (3/8" vertical) and pump bodies allows for targeted maintenance without full pump replacement, reducing downtime. For procurement specialists, the catalog provides direct access to manufacturer part numbers (MPNs) such as 974515-100 for shaft keys and 816565-000 for oil wicks, enabling precise ordering against existing equipment specifications. Armstrong's product families include the IVS (intelligent variable speed) pumps, Design Envelope pumps, and standard circulators, though the parts listed here focus on legacy and current circulator models. The company's engineering emphasis on hydraulic efficiency and long service life is reflected in the availability of durable components like cast-iron volutes and stainless-steel shafts. 3G Electric's inventory supports both scheduled maintenance and emergency repairs, with parts sourced to match original equipment tolerances. No specific certifications or awards are claimed beyond what is publicly known about Armstrong's ISO 9001 registration and compliance with ASME standards for pressure vessels. The catalog is intended for technical buyers who need to verify fitment and specifications before ordering, with each part linked to its applicable pump model.

Common Applications

• HVAC system maintenance — Armstrong shaft key (MPN 974515-100) for 32UM80 series circulator repair
• Hydronic heating repair — Armstrong oil wick (MPN 816565-000) for lubricating 32UM80 series pump bearings
• Boiler system servicing — Armstrong air vent (MPN 272005-307) for automatic air release in closed loops
• Raypak circulator replacement — Armstrong pump-less volute (MPN 110108MF-717) for Raypak 3 circulator
• S-25 circulator overhaul — Armstrong pump-less volute (MPN 110116MF-200) for S-25 model
• H-53 circulator retrofit — Armstrong pump-less volute (MPN 110116MF-302) for H-53 circulator