Taco 1632E 1600 Series Cast Iron Centrifugal Pump 3/4HP 3PH

Taco 1632E 1600 Series Cast Iron 3/4HP 3PH

The Taco 1632E 3/4HP 3PH is a rugged in-line centrifugal pump designed for closed-loop hydronic heating and cooling systems. Mechanically, it features a 2-inch flanged cast iron volute and a high-efficiency impeller optimized for stable fluid circulation in multi-story buildings. The close-coupled design ensures perfect concentric alignment between the motor and the pump shaft, which is critical for reducing radial loads and extending the life of the high-performance mechanical seal. The back pull-out design allows for internal service without disturbing the main piping connections.

Equipped with a 3/4HP three-phase motor, this model offers superior electrical efficiency and balanced phase loading for commercial grids. Three-phase motors are inherently more reliable for continuous service, providing constant torque that eliminates the mechanical stresses associated with single-phase start-stop cycles. This stable electrical configuration minimizes electromagnetic noise and vibration, significantly extending the operational life of the high-temperature mechanical seal compared to single-phase alternatives.

Key Features of Taco 1632E

• Rugged cast iron volute with 2 inch flanges
• Industrial 3-Phase motor for high-capacity performance
• Close-coupled mechanical design for space savings
• Back pull-out design for simplified field service
• NEMA standard motor frame for industrial service
• Quiet, vibration-free operation at 1750 RPM
• Maximum working pressure: 175 PSI