Armstrong H-51 Series All Bronze Centrifugal Pump 1/4HP 1 Phase

Armstrong H-51 Bronze Pump

The Armstrong H-51 All Bronze pump is a non-ferrous centrifugal unit designed to facilitate rapid thermal distribution in domestic water systems while neutralizing oxidation risk. Its internal volute is calibrated to stabilize fluid velocity and maintain laminar flow, preventing mineral buildup common in oxygenated water lines. This mechanical configuration ensures consistent head pressure and maintains structural integrity, providing a reliable solution for high-temperature potable water circulation in both residential and light commercial plumbing architectures.

Featuring a high-performance 1/4HP single-phase motor, the H-51 Bronze executes precise rotational control to maintain constant flow rates regardless of system pressure fluctuations. The integrated mechanical seal is engineered to sustain vacuum-tight integrity up to 250°F, preventing leakage at critical shaft junctions. By leveraging robust internal bearings and a corrosion-resistant alloy shaft, this configuration minimizes mechanical vibration and stabilizes rotational frequency, significantly extending the operational life of the pump core.

Key Features of Armstrong H-51

• Powerful 1/4HP motor delivers 1750 RPM
• Durable bronze body stops corrosion pitting
• Leak proof seal resists 250F heat
• Superior shaft system reduces part costs
• Max 35 USGPM flow ensures circulation
• Practical bronze connection fits standard setups
• Versatile potable water and industrial service