impeller.net The Online Pump Magazine

04.05.2012

Goulds Water Technology Enhances Line of Submersible Pumps

Goulds Water Technology, a Xylem brand, has enhanced its line of submersible sump pumps with the addition of two energy-efficient residential STS sump pumps. The STS sump pumps are available in two models, the STS21 (1/4hp) and the STS31 (1/3hp).


The STS pumps are stainless steel and feature less amp draw for greater energy efficiency. Designed primarily for the plumbing and contractor market, the STS pumps provide a superior pumping solution at 38GPM for basement draining, dewatering and water transfer applications.

The STS pumps use a unique discharge pipe connection to allow continuous operation at very low water levels while providing full motor cooling. Additional features include:
  • Corrosion-resistant construction
  • Glass-filled thermoplastic impeller and motor cover
  • Upper and lower heavy-duty ball bearing construction
  • Air-filled motor mounted in aluminum housing
  • Permanently lubricated motor for extended service life and is powered for continuous operation
  • Vertical float switch and mounting pipe that are adjustable for various liquid levels
  • Complete unit is lightweight, portable and easy to service
  • Stainless steel fasteners

The STS pumps also a SJE Rhombus float switch, an extra long 20-foot power cord with NEMA 5-12P plug, and ceramic/silicon carbide mechanical seal faces with BUNA elastomers that protect the motor.

Other specifications are:
  • Discharge size: 1 1⁄2" NPT
  • Capacities: to 38 GPM
  • Maximum head: 25 feet TDH
  • Max. solids: 3⁄16" spherical
  • Temperature: 95º F (35º C) maximum liquid temperature
  • Single phase, 3450 RPM, 60 Hz
  • Built-in thermal overload protection with automatic reset
  • Permanent-split-capacitor type
  • Class B insulation

Picture: Goulds Water Technology STS sump pump (Image: Xylem)

Source: Xylem

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