D 3127.182

Summary

Flygt 3127 Series Pumps (50Hz)

This summary covers the C-pump, D-pump, and F-pump models from the Flygt 3127 series, available with both Standard and Premium Efficiency (IE3) motors.

C-pump, Standard Motor

A submersible pump designed for wastewater containing solids or fibered material, clean water, or surface water.

Product identification

• Type: Gray iron
• Versions:
  • Non-explosion proof: 3127.182
  • Explosion proof: 3127.091
• Pressure Classes: Low head (LT), Medium head (MT), High head (HT)
• Installation Types:
  • P: Semipermanent, wet well arrangement with guide bars and automatic discharge connection.
  • S: Portable semipermanent, wet well arrangement with hose coupling or flange.
  • T: Vertical permanent, dry well arrangement with flange connection to suction and discharge.
  • Z: Horizontal permanent, dry well arrangement with flange connection to suction and discharge.

Operating limits

• Liquid temperature: Maximum 40°C (104°F)
• Liquid temperature, warm water version: Maximum 70°C (158°F)
• Depth of immersion: Maximum 20 m (65 ft)
• pH of the pumped liquid: 5.5 – 14
• Liquid density: Maximum 1100 kg/m³

Electrical

• Motor type: Squirrel-cage induction motor
• Frequency: 50 Hz
• Power supply: 3-phase
• Starting methods: Direct on-line, Star-delta, Soft starter, Variable Frequency Drive (VFD)
• Number of starts per hour: Maximum 30
• Code compliance: IEC 60034-1
• Voltage variation:
  • Continuously running: Maximum ±5%
  • Intermittent running: Maximum ±10%
• Voltage imbalance between phases: Maximum 2%
• Stator insulation class: H (180°C, 356°F)
• Cables: Flygt SUBCAB® heavy-duty cables (4 cores for DOL/Y/D with two cables, 7 cores for Y/D, 4 screened cores for VFD). Conductor insulation rating 90°C, chemical resistant within pH 3-10, ozone, oil, and flame resistant. Usable up to 70°C water temperature.
• Monitoring equipment: Thermal contacts opening temperature 125°C (257°F)
• Performance (400 V, 50 Hz, 3-phase examples):
  • Rated power: 4 kW to 7.4 kW (5.4 hp to 9.9 hp)
  • Revolutions per minute: 1445 rpm to 2900 rpm
  • Rated current: 8.3 A to 14 A
  • Starting current: 56 A to 114 A (Star-delta starting current is 1/3 of Direct on-line starting current)
  • Power factor (cos φ): 0.74 to 0.91
  • Note: See the official PDF for exact tabulated values and performance curves.

Mechanical / hydraulic

• Major castings: Cast iron, gray (ASTM 35B / EN GJL-250)
• Pump housing: Cast iron, gray (ASTM 35B / EN GJL-250)
• Impeller: Cast iron, gray (ASTM 35B / EN GJL-250 or ASTM 30B / EN GJL-200)
• Wear ring: Nitrile rubber (NBR) or Bronze (ASTM C924 / EN CC491K, CC492K)
• Lifting handle: Stainless steel (AISI 316L / EN 1.4404, 1.4432, …)
• Shaft: Stainless steel (AISI 431 / EN 1.4057+QT800)
• Screws and nuts: Stainless steel, A4 (AISI 316L, 316, 316Ti / EN 1.4401, 1.4404, …)
• O-rings: Nitrile rubber (NBR) 70° IRH or Fluorinated rubber (FPM) 70° IRH
• Oil: Medical white oil of paraffin type, fulfills FDA 172.878(a)
• Mechanical seals:
  1. Inner: Aluminum oxide/Corrosion resistant cemented carbide; Outer: Corrosion resistant cemented carbide/Corrosion resistant cemented carbide
  2. Inner: Corrosion resistant cemented carbide/Corrosion resistant cemented carbide; Outer: Corrosion resistant cemented carbide/Corrosion resistant cemented carbide
  3. Inner: Corrosion resistant cemented carbide/Corrosion resistant cemented carbide; Outer: Silicon carbide/Silicon carbide
• Surface treatment: Primed, finished with Navy gray two-component high-solid top coating.
• Options: Warm liquid version (non-explosion proof), Leakage sensor in stator housing (FLS), Leakage sensor in oil housing (CLS), Epoxy surface treatment, Zinc anodes, Other cables.
• Accessories: Discharge connections, adapters, hose connections, pump controller, control panels, starters, monitoring relays, cables.

C-pump, Premium Efficiency Motor (IE3)

A submersible pump designed for wastewater containing solids or fibered material, clean water, or surface water.

Product identification

• Type: Gray iron
• Versions:
  • Non-explosion proof: 3127.800
  • Explosion proof: 3127.810
• Pressure Classes: Low head (LT), Medium head (MT), High head (HT)
• Installation Types: P, S, T, Z (same as Standard C-pump).

Operating limits

• Liquid temperature: Maximum 40°C (104°F)
• Depth of immersion: Maximum 20 m (65 ft)
• pH of the pumped liquid: 5.5 – 14
• Liquid density: Maximum 1100 kg/m³

Electrical

• Motor type: Line started permanent magnet motor (LSPM)
• Frequency: 50 Hz
• Power supply: 3-phase
• Starting methods: Direct on-line, Star-delta, Soft starter, Variable Frequency Drive (VFD)
• Number of starts per hour: Maximum 30
• Code compliance: IEC 60034-1
• Voltage variation:
  • Continuously running: Maximum ±5%
  • Intermittent running: Maximum ±10%
• Voltage imbalance between phases: Maximum 2%
• Stator insulation class: H (180°C, 356°F)
• Cables: Flygt SUBCAB® heavy-duty cables (4 cores for DOL/Y/D with two cables, 7 cores for Y/D, 4 screened cores for VFD). Conductor insulation rating 90°C, chemical resistant within pH 3-10, ozone, oil, and flame resistant. Usable up to 70°C water temperature.
• Monitoring equipment: Thermal contacts opening temperature 125°C (257°F)
• Performance (400 V, 50 Hz, 3-phase examples):
  • Rated power: 5 kW to 6.5 kW (6.7 hp to 8.7 hp)
  • Revolutions per minute: 1500 rpm
  • Rated current: 8.9 A to 11 A
  • Starting current: 76 A (Star-delta starting current is 1/3 of Direct on-line starting current)
  • Power factor (cos φ): 0.89 to 0.91
  • Note: See the official PDF for exact tabulated values and performance curves.

Mechanical / hydraulic

• Major castings: Cast iron, gray (ASTM 35B / EN GJL-250)
• Pump housing: Cast iron, gray (ASTM 35B / EN GJL-250)
• Impeller: Cast iron, gray (ASTM 35B / EN GJL-250 or ASTM 30B / EN GJL-200)
• Wear ring: Nitrile rubber (NBR) or Bronze (ASTM C924 / EN CC491K, CC492K)
• Lifting handle: Stainless steel (AISI 316L / EN 1.4404, 1.4432, …)
• Shaft: Stainless steel (AISI 431 / EN 1.4057+QT800)
• Screws and nuts: Stainless steel, A4 (AISI 316L, 316, 316Ti / EN 1.4401, 1.4404, …)
• O-rings: Nitrile rubber (NBR) 70° IRH or Fluorinated rubber (FPM) 70° IRH
• Oil: Medical white oil of paraffin type, fulfills FDA 172.878(a)
• Mechanical seals: (Same 3 alternatives as Standard C-pump)
• Surface treatment: Primed, finished with Navy gray two-component high-solid top coating.
• Options: Leakage sensor in stator housing (FLS), Leakage sensor in oil housing (CLS), Epoxy surface treatment, Zinc anodes, Other cables.
• Accessories: Discharge connections, adapters, hose connections, pump controller, control panels, starters, monitoring relays, cables.

D-pump

A submersible pump with vortex hydraulic, suitable for liquids containing solids and abrasive media, or light wastewater.

Product identification

• Type: Gray iron
• Versions:
  • Non-explosion proof: 3127.182
  • Explosion proof: 3127.091
• Pressure Classes: Medium head (MT), High head (HT)
• Installation Types:
  • P: Semipermanent, wet well arrangement with guide bars and automatic discharge connection.

Operating limits

• Liquid temperature: Maximum 40°C (104°F)
• Liquid temperature, warm water version: Maximum 70°C (158°F)
• Depth of immersion: Maximum 20 m (65 ft)
• pH of the pumped liquid: 5.5 – 14
• Liquid density: Maximum 1100 kg/m³

Electrical

• Motor type: Squirrel-cage induction motor
• Frequency: 50 Hz
• Power supply: 3-phase
• Starting methods: Direct on-line, Star-delta, Soft starter, Variable Frequency Drive (VFD)
• Number of starts per hour: Maximum 30
• Code compliance: IEC 60034-1
• Voltage variation:
  • Continuously running: Maximum ±5%
  • Intermittent running: Maximum ±10%
• Voltage imbalance between phases: Maximum 2%
• Stator insulation class: H (180°C, 356°F)
• Cables: Flygt SUBCAB® heavy-duty cables. For Y/D start and VFD, screened 4 cores motor power cable with four twisted pair screened control cores. Conductor insulation rating 90°C, chemical resistant within pH 3-10, ozone, oil, and flame resistant. Usable up to 70°C water temperature.
• Monitoring equipment: Thermal contacts opening temperature 125°C (257°F)
• Performance (400 V, 50 Hz, 3-phase examples):
  • Rated power: 4.7 kW to 7.4 kW (6.3 hp to 9.9 hp)
  • Revolutions per minute: 1450 rpm to 2900 rpm
  • Rated current: 10 A to 14 A
  • Starting current: 73 A to 114 A (Star-delta starting current is 1/3 of Direct on-line starting current)
  • Power factor (cos φ): 0.76 to 0.89
  • Note: See the official PDF for exact tabulated values and performance curves.

Mechanical / hydraulic

• Major castings: Cast iron, gray (ASTM 35B / EN GJL-250)
• Pump housing: Cast iron, gray (ASTM 35B / EN GJL-250)
• Impeller: Cast iron, gray (ASTM 35B / EN GJL-250 or ASTM 30B / EN GJL-200)
• Lifting handle: Stainless steel (AISI 316L / EN 1.4404, 1.4432, …)
• Shaft: Stainless steel (AISI 431 / EN 1.4057+QT800)
• Screws and nuts: Stainless steel, A4 (AISI 316L, 316, 316Ti / EN 1.4401, 1.4404, …)
• O-rings: Nitrile rubber (NBR) 70° IRH or Fluorinated rubber (FPM) 70° IRH
• Oil: Medical white oil of paraffin type, fulfills FDA 172.878(a)
• Mechanical seals: (Same 3 alternatives as C-pump)
• Surface treatment: Primed, finished with Navy gray two-component high-solid top coating.
• Options: Warm liquid version (non-explosion proof), Leakage sensor in stator housing (FLS), Leakage sensor in oil housing (CLS), Epoxy surface treatment, Zinc anodes, Other cables.
• Accessories: Discharge connections, adapters, hose connections, pump controller, control panels, starters, monitoring relays, cables.

F-pump, Standard Motor

A submersible chopper pump for liquid manure, fish waste, or heavily contaminated sewage and sludge.

Product identification

• Type: Chopper, Gray iron or Hard-Iron™
• Versions:
  • Non-explosion proof: 3127.182, 3127.350
  • Explosion proof: 3127.091, 3127.390
• Pressure Classes: Low head (LT), Medium head (MT), High head (HT), Super head (SH)
• Installation Types:
  • J: Semipermanent, wet well arrangement with guide bars or wire for mixing with a jet nozzle.
  • P: Semipermanent, wet well arrangement with guide bars and automatic discharge connection.
  • S: Portable semipermanent, wet well arrangement with hose coupling or flange.
  • T: Vertical permanent, dry well arrangement with flange connection to suction and discharge.
  • Z: Horizontal permanent, dry well arrangement with flange connection to suction and discharge.

Operating limits

• Liquid temperature: Maximum 40°C (104°F)
• Liquid temperature, warm water version: Maximum 70°C (158°F)
• Depth of immersion: Maximum 20 m (65 ft)
• pH of the pumped liquid: 5.5 – 14
• Liquid density: Maximum 1100 kg/m³

Electrical

• Motor type: Squirrel-cage induction motor
• Frequency: 50 Hz
• Power supply: 3-phase
• Starting methods: Direct on-line, Star-delta, Soft starter, Variable Frequency Drive (VFD)
• Number of starts per hour: Maximum 30
• Code compliance: IEC 60034-1
• Voltage variation:
  • Continuously running: Maximum ±5%
  • Intermittent running: Maximum ±10%
• Voltage imbalance between phases: Maximum 2%
• Stator insulation class: H (180°C, 356°F)
• Cables: Flygt SUBCAB® heavy-duty cables (4 cores for DOL/Y/D with two cables, 7 cores for Y/D, 4 screened cores for VFD). Conductor insulation rating 90°C, chemical resistant within pH 3-10, ozone, oil, and flame resistant. Usable up to 70°C water temperature.
• Monitoring equipment: Thermal contacts opening temperature 125°C (257°F)
• Performance (400 V, 50 Hz, 3-phase examples):
  • Rated power: 4 kW to 7.4 kW (5.4 hp to 9.9 hp)
  • Revolutions per minute: 1440 rpm to 2900 rpm
  • Rated current: 8.3 A to 14 A
  • Starting current: 56 A to 114 A (Star-delta starting current is 1/3 of Direct on-line starting current)
  • Power factor (cos φ): 0.78 to 0.91
  • Note: See the official PDF for exact tabulated values and performance curves.

Mechanical / hydraulic

• Major castings: Cast iron, gray (ASTM 35B / EN GJL-250)
• Pump housing: Cast iron, gray (ASTM 35B / EN GJL-250)
• Impeller: Cast iron, nodular (EN GJS-400-18-LT) or Cast iron, Hard-Iron™ (ASTM A 532 IIIA / EN GJN-HB555(XCR23))
• Suction cover: Cast iron, Hard-Iron™ (ASTM A 532 IIIA / EN GJN-HB555(XCR23)) or Steel (ASTM A 572 GR50 / EN S355)
• Insert ring: Cast iron, Hard-Iron™ (ASTM A 532 IIIA / EN GJN-HB555(XCR23)) (for 3127.350/.390 models)
• Lifting handle: Stainless steel (AISI 316L / EN 1.4404, 1.4432, …)
• Shaft: Stainless steel (AISI 431 / EN 1.4057+QT800)
• Screws and nuts: Stainless steel, A4 (AISI 316L, 316, 316Ti / EN 1.4401, 1.4404, …)
• O-rings: Nitrile rubber (NBR) 70° IRH or Fluorinated rubber (FPM) 70° IRH
• Oil: Medical white oil of paraffin type, fulfills FDA 172.878(a)
• Mechanical seals: (Same 3 alternatives as C-pump)
• Surface treatment: Primed, finished with Navy gray two-component high-solid top coating.
• Options: Warm liquid version (non-explosion proof), Leakage sensor in stator housing (FLS), Leakage sensor in oil housing (CLS), Aqua cutting knife (chopper) pressure class LT or MT, Epoxy surface treatment, Zinc anodes, Other cables.
• Accessories: Discharge connections, adapters, hose connections, pump controller, control panels, starters, monitoring relays, cables.

F-pump, Premium Efficiency Motor (IE3)

A submersible chopper pump for liquid manure, fish waste, or heavily contaminated sewage and sludge. The N-hydraulic is fitted with a cutting insert ring. Both impeller and insert ring are manufactured in Hard-Iron™.

Product identification

• Type: Chopper, Hard-Iron™
• Versions:
  • Non-explosion proof: 3127.840
  • Explosion proof: 3127.850
• Pressure Classes: Medium head (MT), High head (HT), Super head (SH)
• Installation Types: P, S, T, Z (same as Standard F-pump 3127.350/.390).

Operating limits

• Liquid temperature: Maximum 40°C (104°F)
• Depth of immersion: Maximum 20 m (65 ft)
• pH of the pumped liquid: 5.5 – 14
• Liquid density: Maximum 1100 kg/m³

Electrical

• Motor type: Line started permanent magnet motor (LSPM)
• Frequency: 50 Hz
• Power supply: 3-phase
• Starting methods: Direct on-line, Star-delta, Soft starter, Variable Frequency Drive (VFD)
• Number of starts per hour: Maximum 30
• Code compliance: IEC 60034-1
• Voltage variation:
  • Continuously running: Maximum ±5%
  • Intermittent running: Maximum ±10%
• Voltage imbalance between phases: Maximum 2%
• Stator insulation class: H (180°C, 356°F)
• Cables: Flygt SUBCAB® heavy-duty cables (4 cores for DOL/Y/D with two cables, 7 cores for Y/D, 4 screened cores for VFD). Conductor insulation rating 90°C, chemical resistant within pH 3-10, ozone, oil, and flame resistant. Usable up to 70°C water temperature.
• Monitoring equipment: Thermal contacts opening temperature 125°C (257°F)
• Performance (400 V, 50 Hz, 3-phase examples):
  • Rated power: 5 kW to 6.5 kW (6.7 hp to 8.7 hp)
  • Revolutions per minute: 1500 rpm
  • Rated current: 8.9 A to 11 A
  • Starting current: 76 A (Star-delta starting current is 1/3 of Direct on-line starting current)
  • Power factor (cos φ): 0.89 to 0.91
  • Note: See the official PDF for exact tabulated values and performance curves.

Mechanical / hydraulic

• Major castings: Cast iron, gray (ASTM 35B / EN GJL-250)
• Pump housing: Cast iron, gray (ASTM 35B / EN GJL-250)
• Impeller: Cast iron, Hard-Iron™ (ASTM A 532 IIIA / EN GJN-HB555(XCR23))
• Insert ring: Cast iron, Hard-Iron™ (ASTM A 532 IIIA / EN GJN-HB555(XCR23))
• Lifting handle: Stainless steel (AISI 316L / EN 1.4404, 1.4432, …)
• Shaft: Stainless steel (AISI 431 / EN 1.4057+QT800)
• Screws and nuts: Stainless steel, A4 (AISI 316L, 316, 316Ti / EN 1.4401, 1.4404, …)
• O-rings: Nitrile rubber (NBR) 70° IRH or Fluorinated rubber (FPM) 70° IRH
• Oil: Medical white oil of paraffin type, fulfills FDA 172.878(a)
• Mechanical seals: (Same 3 alternatives as C-pump)
• Surface treatment: Primed, finished with Navy gray two-component high-solid top coating.
• Options: Leakage sensor in stator housing (FLS), Leakage sensor in oil housing (CLS), Aqua cutting knife (chopper) pressure class MT, Epoxy surface treatment, Zinc anodes, Other cables.
• Accessories: Discharge connections, adapters, hose connections, pump controller, control panels, starters, monitoring relays, cables.

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

Official datasheet (PDF)

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