1900 closed coupled in-line series pumps

Summary

Product identification

The Taco 1900 Series In-Line Pumps are close-coupled, designed for water circulation and available with optional variable speed. They meet industry standards for hydraulic performance and reliability.

• Catalog #: 300-1.4
• Models: Five basic models
• Sizes: Ranging from 1-1/2" x 1-1/2" to 2" x 2"
• Flow Range: 10 to 250 GPM
• Head Capabilities: To 160 feet

Operating limits

• Maximum Operating Pressure: 175 psi (125 psi Flanges Standard)
• Maximum Operating Temperature: 300°F
• Mechanical Seal Temperature:
  • Standard: 250°F
  • Optional: 300°F

Feed water

Pump performance curves are based on clear water with a specific gravity of 1.0. Optional "Sealide C" seals are available for more aggressive system fluids.

Mechanical / hydraulic

• Design: Rear pull-out design for servicing without disturbing piping.
• Mounting: Self-supported by system piping, can be mounted horizontally or vertically.
• Pressure Tappings: 1/4 NPT pressure tappings on suction and discharge connections.
• Flanges: Companion flanges included.
• Bearings: Permanently sealed grease lubricated ball bearings in the motor.
• Shaft Sleeve: Replaceable corrosion resistant Cupro-Nickel shaft sleeve incorporates a "built in" slinger to deflect water away from motor bearings.
• Impeller: One piece enclosed, dynamically balanced cast stainless-steel (304) impeller.
• Seals:
  • Standard: Ceramic, Type 21 design.
  • Optional: "Sealide C" for aggressive system fluids.
  • One seal size fits all models.
• Factory Testing: All 1900 Series In-Line pumps are factory tested and built in accordance with Hydraulic Institute Standards.

Materials of Construction

• Casing:
  • Standard: Cast Iron
  • Optional: Stainless Steel
• Impeller: One Piece Cast Stainless Steel
• Shaft: Alloy Steel
• Shaft Sleeve: Cupro-Nickel
• Bracket:
  • Standard: Cast Iron
  • Optional: Cast Iron with S/S Face Plate

Pump Dimensions & Weights

See the official PDF for exact tabulated values.

Electrical

• Motor: NEMA Standard 56 Frame C Face Motor.
  • 3 HP 1750 rpm motors are TEFC.
  • 5 HP and 7-1/2 HP 3450 rpm motors are specially made OEM motors.
• Variable Speed Drive (VFD) Options: The 1900 Series is available with optional variable speed drives for energy efficiency and system optimization.

Advantage 12 (Single Phase VFD) Specifications

• Input Voltage:
  • 100 -15% to 120 +10% single-phase
  • 200 -15% to 240 +10% single-phase
• Input Frequency: 50-60 Hz ± 5%
• Output Frequency Range: 0.5-400 Hz
• Configurable Switching Frequency: Nominal 4 kHz (adjustable 2-16 kHz)
• Speed Range: 1-20
• Transient Overcurrent: 150% of nominal drive current for 60 seconds
• Degree of Protection: IP 20
• Ambient Air Temperature (Operation): -10°C to +40°C without derating (up to +60°C with derating)
• Maximum Operating Altitude: 1000 m without derating (up to 2000 m for single-phase networks with derating)

Advantage 212 (Three Phase VFD) Specifications

• Input Voltage:
  • 200 -15% to 240 +10% Three phase input, Three phase output (1 HP to 40 HP)
  • 380 -15% to 480 +10% Three phase input, Three phase output (1 HP to 100 HP)
• Input Frequency: 50 Hz -5% to 60 Hz +5%
• Output Frequency Range: 0.5-200 Hz
• Switching Frequency: Selectable from 6 to 16 kHz (12 kHz nominal for 1-20 HP; 8 kHz nominal for 30-100 HP)
• Power Factor: Above 99% (Above 98% at full load)
• Transient Overcurrent: 110% nominal for 60 seconds, 180% for 2 seconds
• Harmonic Abatement: Embedded reduced harmonic technology provides <35% THDI at VFD input terminals.
• Degree of Protection:
  • ATV212 H range: IP20
  • ATV212 W range: IP54/Type 12
• Temperature Ratings (Operational): 0°C to +40°C without derating (up to 60°C with derating)
• Altitude Ratings: Up to 1,000 meters without derating (up to 3,000 m with derating)

Advantage 312 (Three Phase VFD)

• Input Voltage: 525V – 600V (Specific HP models listed in PDF)

VFD Environmental Conditions

• Humidity: 5-95% non-condensing, no dripping water (IEC 60068-2-3)
• Vibration Resistance:
  • 1.5 mm peak from 3 to 13 Hz
  • 1 gn from 13 to 200 Hz
• Shock Resistance: 15 gn for 11 ms

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

Official datasheet (PDF)

Lenntech datasheet mirror