Etachrom

Summary

Product Identification

The KSB Etachrom L is a standardized, close-coupled pump designed to EN 733, available in both fixed and variable speed versions, operating at 50 Hz or 60 Hz.

The pump designation follows a specific code, for example, ETCL050-025-125CCSAA07D101002exBPD2MKSBIE4, which indicates:

• Pump Type: ETCL (Etachrom L)
• Size: Nominal suction nozzle diameter, nominal discharge nozzle diameter, and nominal impeller diameter (e.g., 050-025-125 for 50 mm suction, 25 mm discharge, 125 mm impeller).
• Materials: Pump casing and impeller materials (e.g., C for Stainless steel 1.4571).
• Design: Standard, food contact, bottle rinser, or drinking water approved variants.
• Seal Code: Specific mechanical seal configurations.
• Scope of Supply: Pump only, or with baseplate, coupling, coupling guard, and/or motor.
• Shaft Unit: Specific shaft unit versions (e.g., 25.1, 25.2, 35).
• Motor Rating: Nominal power in kW (e.g., 0750 for 7.50 kW).
• Explosion Protection: Indication if an explosion-proof motor is included.
• Product Generation: (e.g., B for Etachrom L 08/2015).
• Control Systems: PumpDrive 2, PumpDrive 2 Eco, or PumpMeter.
• Motor Manufacturer: KSB, Siemens, Loher, Halter.
• Efficiency Class: (e.g., IE4).

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 this value).
• Test Pressure: ≤ 16 bar
• Maximum Permissible Speed: Varies by pump size, up to 3600 rpm for some configurations, down to 1800 rpm for others. See the official PDF for exact tabulated values.
• Noise Characteristics: Surface sound pressure levels (LpA) are tabulated based on rated power and speed (1450 rpm, 2900 rpm for pump and pump set). For 60 Hz operation, add +3 dB for 3500 rpm and +1 dB for 1750 rpm. See the official PDF for exact tabulated values.

Feed Water / Product Water

Main Applications:

• Cleaning systems (bottle rinsing, crate washing)
• 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

An extensive selection table details compatibility with various fluids, including alkaline cleaning agents, alcohols (ethanol, methanol, propanol), ammonia water, ammonium bicarbonate, cider, ethylene glycol-based antifreeze (inhibited, > 20% to 50%), petrol, beer mash/wort, butanol, butanoic acid, calcium acetate, calcium nitrate, CIP solutions, deionised water (conductivity < 250 µS/cm, SiO₂ ≤ 10 mg/l), distilled water, diesel oil, decarbonised water (chloride content ≤ 300 mg/l), peanut oil, vinegar (5% acetic acid), condenser water (sugar production), lye for bottle rinsers, tannic acid, beverages containing CO₂, glycerine, fuel oil (light), heating water (conductivity 100 to 800 µS/cm), hydraulic oil, potassium hydroxide, potassium carbonate, aluminium potassium sulphate, potassium sulphate, kerosene, condensate, cooling water (with/without antifreeze), cooling lubricant, copper sulphate, slightly contaminated water, linseed oil, corn oil, maleic acid, lactic acid, mineral oil, sodium hydrogen carbonate, sodium hydroxide (caustic soda), sodium carbonate, sodium nitrate, sodium sulphate, paraffin, vegetable oil (pure), raw water, lubricating oil, cutting oil, sulphuric acid (≤ 5% at 20 °C, ≤ 2.5% at ≤ 50 °C), sulphurous acid, silicone oil, soy-bean oil, edible oil, surface water, partly desalinated water, turbine oil (not SFD oils), water/bathing water, desalinated water (conductivity > 2 µS/cm < 10 µS/cm, SiO₂ < 10 mg/l, solids max. 5 mg/l), water/oil emulsion, tartaric acid, citric acid, and sugar juice.

See the official PDF for exact tabulated values regarding specific mechanical seal variants and application limits (percentage, temperature) for each fluid.

Electrical

Fixed Speed Version Drive (KSB/Siemens 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 for ≤ 2.20 kW
  • 400 V / 690 V for ≥ 3.00 kW
• Rated Voltage (60 Hz):
  • • / 460 V for ≤ 2.20 kW
  • 460 V / - for ≥ 3.00 kW
• Type of Construction: IM B3
• Enclosure: IP55
• Duty Type: Continuous duty S1
• Thermal Class: F with temperature sensor (1 PTC thermistor for size 80/90, 3 PTC thermistors from size 100)
• Explosion-proof Design: EEx eb II, Temperature class T3 (with specific voltage ratings for ≤ 2.50 kW and ≥ 3.30 kW)

Variable Speed Version Drive (KSB SuPremE motor - magnetless synchronous reluctance motor, PumpDrive 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 B3
• 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 (PumpDrive input): 50 Hz / 60 Hz
• Voltage (PumpDrive input): 380 V to 480 V

PumpDrive 2 / PumpDrive 2 Eco (Frequency Inverter):

• Mains Voltage: 3~ 380 V AC -10 % to 480 V AC +10 %
• Mains Frequency: 50 Hz to 60 Hz ± 2 %

PumpDrive R (Frequency Inverter):

• Mains Voltage: 3~ 380 V AC -10 % to 480 V AC +10 % (extended range on request)
• Mains Frequency: 50 Hz to 60 Hz ± 2 %
• Nominal Power: 110 kW (standard) or 1400 kW (on request)

Mechanical / Hydraulic

Design:

• Circular casing pumps
• Back pull-out design
• Flanges to EN 1092-1
• Horizontal installation
• Single-stage
• Dimensions and ratings to EN 733
• Pump and motor connected by shaft coupling

Pump Casing:

• Circular casing with welded-on or bolted-on pump feet
• Replaceable casing wear rings

Shaft Seal:

• Single mechanical seal to EN 12756
• Shaft fitted with a replaceable shaft sleeve in the shaft seal area for sizes 080-065-250, 100-080-200, 100-080-250.
• Mechanical seal sizes (e.g., KU022SO, KU028SO, NU038SO) and dimensions (d1, l1) are tabulated by pump size. See the official PDF for exact tabulated values.
• Mechanical seal design codes (e.g., Q1Q1VGG, BQ1EGG-WA) and material designations (e.g., Silicon carbide, EPDM, FKM) are provided.

Impeller:

• Type: Closed radial impeller with multiply curved vanes.
• Materials: Stainless steel 1.4571, Stainless steel 1.4408, Stainless steel 1.4308.
• Machining types: Projection-welded, Laser-welded, Cast.
• Impeller diameter ranges, outlet widths, and free passages are tabulated by pump size. See the official PDF for exact tabulated values.

Bearings:

• Grease-packed radial ball bearing.
• Radial ball bearings to DIN 625 are used. Specific bearing codes (e.g., 6305 2Z C3, 6306 2Z C3, 6307 2Z C3) are tabulated for drive and pump ends by nominal impeller diameter. See the official PDF for exact tabulated values.

Materials (Wetted Components and Key Parts):

• 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, CrNi steel 1.4308, CrNiMo steel 1.4408
• Bearing bracket: Grey cast iron EN-GJL-250 / A 48 Cl. 35B, Grey cast iron EN-GJL-250 / cataphoresis
• O-ring: EPDM 70/80, ENM-Therban, 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.
• Pumps are free from substances impairing paint adhesive strength, such as silicone.

Coating and Preservation:

• To KSB standard AN 1897/54-09.
• Pump casing without coating.
• Drive lantern and intermediate piece with cataphoretic coating.
• Primer (Type A1): Hydro-dip primer for steel and cast components, water-thinned, good anti-corrosive properties, dry film thickness 40-50 µm.
• Top Coat (Type A1): Quick drying, water-thinned paint (acrylate alkyd combination) with anti-corrosive properties and lead-free pigmentation, suitable for temperatures up to 140 °C, dry film thickness 60 µm. Suitable for indoor and outdoor installation in slightly aggressive atmospheres.

Liquid Fill of Pump:

• Liquid fill volumes range from 1.2 l to 6.5 l depending on the pump size. See the official PDF for exact tabulated values.

Permissible Forces and Moments at the Pump Nozzles:

• Maximum permissible vertical force (FVmax), horizontal force (FHmax), and moment (Mtmax) are tabulated for various pump sizes. These values apply to pumps made of chrome nickel molybdenum steel 1.4571 on non-grouted baseplates. See the official PDF for exact tabulated values.

Dimensions and Weights:

• Detailed dimensions for bare-shaft pumps (figure 0) and pump sets are provided in tables and figures within the official PDF. These include measurements for suction and discharge nozzles, overall length, width, height, and various mounting points. See the official PDF for exact tabulated values.

Certifications

• ISO 9001: Certified quality management (All countries).
• French Drinking Water Regulation: Approved in France.

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. For contractual data, always refer to the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror