Fl SFI series pumps

Summary

Product identification

The Taco FI Series and SFI Frame-Mounted End Suction Pumps are designed for water circulation, heating, air conditioning, pressure boosting, cooling water transfer, and water supply applications.

• Product Line: FI / SFI Frame-Mounted End Suction Pumps
• Document Catalog #: 300-2.4
• Effective Date: 04/06/18
• Key Features: SelfSensing with ProBalance®, ECM motor options, eLink™ connectivity.

Operating limits

The pumps are rated for specific pressure and temperature ranges, with options for different flange classes.

• Flange Options:
  • ANSI Class 125
  • ANSI Class 250
• Pressure Ratings:
  • ANSI Class 125: 175 PSIG (1210 KPA)
  • ANSI Class 250: 300 PSIG (2070 KPA)
• Temperature Ratings:
  • Standard: 250°F (120°C)
  • Optional: 250°F (102°C)
  • Note: For operating temperatures above 250°F, a cooled flush is required. A cooled flush is recommended for temperatures above 225°F for optimum seal life.
• Pressure-Temperature Ratings: See the official PDF for the exact tabulated values and graphical representation of maximum total working pressure vs. temperature.

Electrical

The FI Series offers ECM motor options and integrated drive features.

• ECM Motor Horsepower Range: 3 - 30 hp
• ECM Motor RPM: 1750
• ECM Motor Voltage Options:
  • 3-10 HP: 230V/460V/60/3 (useable at 208V), 575V/60/3
  • 15-30 HP: 460V/60/3, 575V/60/3
• Motor Enclosure Type:
  • 3-10 hp: TENV
  • 15-30 hp: TEFC
• Drive Enclosure Options: NEMA 1, NEMA 12, NEMA 4X
• Protection: Electronically protected for overload and locked rotor conditions per UL 778 and CSA C22.2 No. 108.
• Note: A Variable Frequency Drive is required to operate the Permanent Magnet motor.

Mechanical / hydraulic

The pumps feature a robust design with specific material options and hydraulic characteristics.

• Bearing L₁₀ Life: Minimum 60,000 hours
• Casing Drain Plug: 1/4 NPT
• Pressure Tapping: 1/4 NPT on suction and discharge connections
• Base Drain Connection: 3/4” (for integral drain pan)
• Impeller Balancing: Dynamically balanced to ANSI Grade G6.3
• Standard Mechanical Seal: Ceramic/EPT, rated 250°F
• Optional Mechanical Seal Materials: Tungsten Carbide/EPT or Silicon-Carbide/EPT
• Optional Filters: Cuno 5 Micron
• Optional Separators: Kynar Cyclone Separator
• SelfSensing Modulating Pump Controller (MPC):
  • Capable of operating 2 to 4 pumps in parallel.
  • Enclosed in a NEMA 4X certified enclosure.
  • Communication: BACnet MSTP or Modbus RTU.
• Materials of Construction (Standard & Optional):
  • Casing: Cast Iron (ASTM A48/A48M-03 Class 30A), Ductile Iron (ASTM A536-84 Grade 65-45-12), Stainless Steel (ASTM A351/A351M-08)
  • Cover: Cast Iron (ASTM A48/A48M-03 Class 30A), Ductile Iron (ASTM A536-84 Grade 65-45-12), Stainless Steel (ASTM A351/A351M-08)
  • Impeller: Bronze (ASTM B584 ALLOY C83600 or C84400), Bronze (ASTM B584-98A C92200)
  • Wear Ring: Bronze (ASTM B584-98A C92200)
  • Shaft: Stainless Steel (TYPE 416“T” ASTM A582), Stainless Steel (TYPE 303 ASTM A276)
  • Shaft Sleeve: Bronze (ASTM B584-98A C92200)
  • Seal Flush Line Assembly: Copper & Brass C3600 (NSF 61)
  • Note: See the official PDF for a detailed breakdown of materials for standard and bronze-fitted constructions, and optional components.

Additional Features

• SelfSensing with ProBalance®: Enables fast, accurate do-it-yourself system balancing without remote sensors or complex wiring. Offers multiple modes: Constant flow, Constant pressure, Flow compensation, Duplex pump alternation.
• Automatic Alerts: Optional shutdown for no-flow, dry-run, and end-of-curve operation.
• eLink™ / Taco Tags: Utilizes NFC technology to provide access to product specifications, technical documentation, and instruction manuals via a smartphone.

Disclaimer: This summary is based on the provided text extract. It may not include all figures, footnotes, or the latest revisions present in the complete OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used for the project.

Official datasheet (PDF)

Lenntech datasheet mirror