Etachrom B

Summary

Product identification

The KSB Etachrom B is a series of closed-coupled, standardised pumps available in fixed or variable speed versions, operating at 50 Hz or 60 Hz.

Key design features include:

• Circular casing pumps
• Close-coupled design
• Back pull-out design
• Flanges to EN 1092-1
• Horizontal installation
• Single-stage
• Dimensions and ratings to EN 733
• Rigid connection between pump and motor
• Pump and motor connected by a stub shaft
• Replaceable casing wear rings
• Impeller types: Closed radial impeller with multiply curved vanes, Vortex impeller
• Shaft seal: Single mechanical seal to EN 12756
• Shaft fitted with a replaceable shaft sleeve in the shaft seal area (sizes 080-065-250, 100-080-200, 100-080-250)

Operating limits

• Flow rate Q:
  • 50 Hz: ≤ 260 m³/h (≤ 72.2 l/s)
  • 60 Hz: ≤ 210 m³/h (≤ 58.3 l/s)
• Head H:
  • 50 Hz: ≤ 105 m
  • 60 Hz: ≤ 104 m
• Fluid temperature T: ≥ -30 °C to ≤ +110 °C
• Operating pressure p: ≤ 12 bar (The sum of inlet pressure and shut-off head must not exceed the value indicated.)
• Test pressure: ≤ 16 bar (for material variant C)
• Maximum permissible speed:
  • For nominal impeller diameters 125 mm, 160 mm, 200 mm: 3600 rpm
  • For nominal impeller diameter 250 mm (sizes 050-025, 050-032, 065-040, 065-050, 080-065): 3000 rpm
  • For nominal impeller diameter 250 mm (size 100-080): 1800 rpm
  • For size 100-080-200: 3000 rpm

Feed water

Main applications:

• Cleaning systems (bottle rinsing, crate washing and similar systems)
• Water treatment systems
• Water supply systems
• Fire-fighting systems
• Spray irrigation systems
• General irrigation systems
• Drainage systems
• Hot-water heating systems
• Air-conditioning systems
• Industrial washing machines
• General industry
• Disposal of paint sludge
• Surface treatment systems

Fluids handled:

• Service water
• Drinking water
• Hot water
• Cooling water
• Swimming pool water (0.4 to 1.4 mg/l free chlorine, combined chlorine ≤ 0.6 mg/l, pH 6.9 to 7.7, water hardness 10 to 30 °dH, salt content ≤ 7 g/l)
• Process water
• Fire-fighting water
• Condensate
• Oil
• Deionised water (fully desalinated): Conductivity at 25 °C: < 250 µS/cm, SiO₂ silicate content ≤ 10 mg/l
• Decarbonised water: Chloride content ≤ 300 mg/l
• Heating water: Conductivity at 25 °C: 100 to 800 µS/cm
• Water, desalinated: Conductivity > 2 µS/cm < 10 µS/cm, SiO₂ < 10 mg/l, solids max. 5 mg/l
• Mechanical seal suitability for fluids with total solids content: Combinations of soft/hard seal face materials (BQ1) can only be used for fluids up to a total solids content of 50 mg/l.

Electrical

Drive (fixed speed version) - Standard design:

• KSB/Siemens surface-cooled IEC frame three-phase squirrel-cage motor
• Efficiency class IE2 (size 71/80) / IE3 (from size 90) to IEC 60034-30
• Rated voltage (50 Hz): 230 V / 400 V ≤ 2.20 kW; 400 V / 690 V ≥ 3.00 kW
• Rated voltage (60 Hz): - / 460 V ≤ 2.20 kW; 460 V / - ≥ 3.00 kW
• Type of construction: IM V1 ≤ 4.00 kW; IM V15 ≥ 5.50 kW
• Enclosure IP55
• Duty type: continuous duty S1
• Thermal class F with temperature sensor, 1 PTC thermistor (size 80/90) / 3 PTC thermistors (from size 100)

Drive (variable speed version) - KSB SuPremE motor:

• Surface-cooled KSB SuPremE motor, IEC-compatible, magnetless synchronous reluctance motor (PumpDrive 2 / PumpDrive 2 Eco / PumpDrive R required)
• Efficiency class IE4 / IE5 to IEC TS 60034-30-2:2016
• Mounting points to EN 50347:2001
• Envelope dimensions to DIN VDE 42673-4:2011-07
• Type of construction: IM V1 ≤ 4.00 kW; IM V15 ≥ 5.50 kW
• Enclosure IP55
• Duty type: continuous duty S1
• Thermal class F with temperature sensor, 3 PTC thermistors
• Shaft centreline height 71 to 225 mm
• Rated power 0.55 kW to 45 kW
• Rated speed 1500 rpm or 3000 rpm
• Frequency 50 Hz / 60 Hz (PumpDrive input)
• Voltage 380 V to 480 V (PumpDrive input)

PumpDrive 2 / PumpDrive 2 Eco:

• Mains voltage 3~ 380 V AC -10 % to 480 V AC +10 %
• Mains frequency 50 Hz to 60 Hz ± 2 %

PumpDrive R:

• Mains voltage 3~ 380 V AC -10 % to 480 V AC +10 %
• Mains frequency 50 Hz to 60 Hz ± 2 %
• Extended power range with a nominal power of 110 kW (standard) or 1400 kW (on request)

Motor power and current data: Detailed tables for motor power (kW) and approximate current (~A) at 50 Hz (400 V) and 60 Hz (460 V) are available in the official PDF, varying by pump size and motor. See the official PDF for exact tabulated values.

Mechanical / hydraulic

Materials:

• Pump casing: CrNiMo steel 1.4571
• Intermediate piece: Grey cast iron EN-GJL-250 / cataphoresis
• Discharge cover: CrNiMo steel 1.4571
• Foot: S235 JR
• Shaft: CrNiMo steel 1.4571
• Impeller: CrNiMo steel 1.4571, CrNiMo steel 1.4408
• O-ring: EPDM 70, HNBR 75, FKM80
• Casing wear ring: CrNiMo steel 1.4571
• Shaft sleeve: CrNiMo steel 1.4571
• Hexagon head bolt: Steel 8.8 A2A
• Screw plug: CrNiMo steel A4
• Nut: CrNiMo steel A4
• All listed materials are suitable for fluid temperatures from -30 °C to +110 °C.

Installation types:

• Pump foot
• Motor foot
• Foot base with vertically adjustable ball feet
• Foot base with vertically adjustable machine mounts

Coating and preservation:

• Coating and preservation to KSB standard AN 1897/54-09.
• Pump casing without coating.
• Drive lantern, intermediate piece with cataphoretic coating.
• Primer: Hydro-dip primer for steel and cast components, water-thinned, dry film thickness: 40-50 µm.
• Top coat: Quick drying, water-thinned paint (acrylate alkyd combination), anti-corrosive, lead-free pigmentation, T up to 140 °C, dry film thickness: 60 µm.

Liquid fill of pump: Liquid fill volumes vary by pump size. For example, size 050-025-125.1 has a fill of 1.2 l, while size 100-080-250 has a fill of 6.5 l. See the official PDF for exact tabulated values.

Dimensions and weights: Detailed dimensions and weights for various pump sizes and motor configurations (e.g., with pump foot, levelling feet and motor shroud, motor foot, ball feet) are provided in the official PDF. See the official PDF for exact tabulated values.

Permissible forces and moments at the pump nozzles: Tabulated values for maximum permissible vertical force (FVmax), horizontal force (FHmax), and moment (Mtmax) are available in the official PDF, varying by pump size. See the official PDF for exact tabulated values.

Certifications

• Certified quality management to ISO 9001 (All countries).
• Approved in accordance with the French drinking water regulation (France).
• Design with materials to Regulation (EC) No. 1935/2004 can be provided.
• Design to ATEX.
• Approved for drinking water to ACS, KSB standard, UBA, WRAS (depending on design code).

Ecodesign Information

• Minimum efficiency index (MEI): See data sheet.
• The benchmark for the most efficient water pumps is MEI ≥ 0.70.
• Operation of this water pump with variable duty points may be more efficient and economic when controlled, for example, by the use of a variable speed drive that matches the pump duty to the system.

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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)

Lenntech datasheet mirror