Armstrong H-64-1 Series Cast Iron Centrifugal Pump 3/4HP 1 Phase

Armstrong H-64-1 Cast Iron Pump

The Armstrong H-64-1 is engineered for high-head capacity applications, designed to neutralize significant hydraulic friction in large commercial loops. Its precision-balanced impeller is calibrated to stabilize fluid velocity and maintain laminar flow within the robust cast iron housing, ensuring the pump delivers factory-specified head pressures. This configuration facilitates rapid thermal distribution and maintains structural integrity, ensuring that high-rise or long-run hydronic systems receive consistent flow under peak operational loads.

Featuring a high-torque 3/4HP single-phase motor, the H-64-1 executes precise rotational control to maintain constant flow rates regardless of system head fluctuations at 1750 RPM. The integrated mechanical seal is engineered to sustain vacuum-tight integrity up to 250°F thermal thresholds, preventing fluid leakage at critical shaft junctions. By leveraging a robust high-alloy steel shaft and industrial-grade bearings, this configuration minimizes axial deflection and stabilizes rotational frequency, significantly extending the mean time between failures.

Key Features of Armstrong H-64-1

• Powerful 3/4HP motor ensures 1750 RPM
• Durable construction supports 175 PSI loads
• Leak proof seal prevents 250F leaks
• Superior oversized shaft reduces maintenance costs
• Max 65 USGPM flow capacity ensures performance
• Practical in-line flange for easy installation
• Versatile applications for 65 foot head