GT series pumps

Summary

Product Identification

• Series: GT Series Single-Stage, Double Suction Horizontal Split Case Pumps
• Applications: Heating, air conditioning, pressure boosting, cooling water transfer, and water supply applications.
• Taco Catalog #: 300-9.1
• Effective Date: 01/26/16

Operating Limits

• Maximum Temperature: 250°F (120°C)
• Maximum Pressure:
  • 175 PSIG (1210 KPA) with 125# flanges (in accordance with ANSI Standard B16.1 Class 125)
  • 300 PSIG (2070 KPA) with 250# flanges (in accordance with ANSI Standard B16.1 Class 250)
• Pressure-Temperature Ratings: See the official PDF for exact tabulated values and curves.

Mechanical / Hydraulic

Materials of Construction

• Pump Casing:
  • Standard: Cast Iron (ASTM A48 Class 30A)
• Impeller:
  • Standard: High-efficiency Double Suction Bronze (ASTM B584-836)
  • Optional: Stainless Steel (AISI 304)
• Shaft:
  • Standard: Carbon Steel (AISI 1045)
  • Optional: Stainless Steel (AISI 420)
• Shaft Sleeve:
  • Standard: Bronze (ASTM B584-836)
  • Optional: Stainless Steel (AISI 420)
  • Feature: Replaceable Shaft Sleeves
• Wear Ring:
  • Standard: Bronze Replaceable (ASTM B584-836)
  • Optional: Stainless Steel (AISI 420)
• Mechanical Seal:
  • Standard: Carbon Rotating Element, Silicon Carbide Stationary Seat, Viton Elastomers
  • Typical Specification: Tungsten / Tungsten mating faces with EPT elastomer rated to 250ºF.
• Seal Flush Line:
  • Standard: Copper
  • Optional: Purocell #900 replaceable cartridge filter with shut-off isolation valve, capable of removing particles down to five microns.
• Base:
  • Standard: Weld Reinforced, Groutless (structural steel with integral drain pan)
  • Drain Pan: Minimum thickness 0.1875”, ¾” drain connection.
• Drip Pan: Standard

Design Features

• Flanges:
  • Standard: 125# (860 K)
  • Optional: 250# (1720 K)
  • Drilled to match ANSI Class 125 or ANSI Class 250 piping standards.
• Impeller: Dynamically balanced to ANSI Grade G6.3, fitted to shaft with a key.
• Shaft Design: Dry shaft design to prevent circulating fluid contact.
• Coupler: Flexible coupler suitable for across the line starting and variable torque loads (VFDs), covered by a guard.
• Gauge Ports: Drilled and tapped for gauge ports at suction and discharge connections.
• Drain Port: Drilled and tapped for drain port at the bottom of the casing.

Dimensions and Performance

• Dimensions: Detailed dimensions for various models (e.g., 30037, 30066, 35024, 40032, 40070, 45043) and HP/RPM configurations are provided in the official PDF. See the official PDF for exact tabulated values.
• Performance Curves: Graphical performance curves for various models and speeds (1160 RPM, 1450 RPM, 1760 RPM) are available in the official PDF, showing head, flow, efficiency, and required NPSH. These curves are based on clear water with a specific gravity of 1.0.

Disclaimer

This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror