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HTW 120 | Hot Water Pump | Tempuflo Series

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Centrifugal hot water pump
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The HTW 120 High Temp End Suction Centrifugal Pump is a patented, unique centrifugal pump specifically designed for high temperature process manufacturing applications. Ideal for use with hot water, ethylene glycol, propylene glycol, and triethylene glycol, this pump is engineered to deliver exceptional performance and reliability.

The Tempuflo HTW Series features an isolated seal chamber, effectively cooled by both a cooling loop (heat exchanger) and a fan clamp that couples the unit to the shaft of a standard NEMA C Face frame motor. This innovative isolator technology, combined with the heat exchanger, allows the seal cavity to maintain a maximum temperature of 170°F (77°C) while the process temperature reaches up to 400°F (204°C). This lower seal temperature significantly increases seal life, reducing downtime and maintenance costs for the end user.

The HTW 120 pump offers flexibility with discharge port locations available in either horizontal or vertical positions, making it adaptable to various installation requirements.

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Features and Benefits

  • High Temperature Capability:
    Handles process temperatures up to 400°F (204°C) with a seal chamber temperature of 170°F (77°C).
  • Enhanced Seal Life:
    Lower seal temperature increases seal longevity, reducing maintenance and downtime.
  • Versatile Discharge Port:
    Options for horizontal or vertical discharge port locations to suit different installation needs.
  • Robust Construction:
    Made from durable ductile iron and cast iron materials for long-lasting performance.

  • Flexible Drive Options:
    Available in close coupled 145TC, close coupled 184C, pedestal configurations

SUCTION AND DISCHARGE2" x 1-1/2" NPT or 150# flat flange 
APPLICATIONIndustrial, OEM 
MATERIALS OF CONSTRUCTIONDuctile iron 
FLOWUp to 200 GPM (757 LPM)
HEADUp to 135 feet (41 m)
IMPELLER5.06" Cast iron, enclosed 
MOTORUp to 5 HP 
DRIVE OPTIONSClose coupled 145TC, Close coupled 184C, Pedestal
SEALCarbon / silicon carbide / Viton