Magnochem-bloc

Summary

Product identification

The KSB Magnochem-Bloc is a mag-drive, seal-less pump. This Type Series Booklet is dated 01/10/2020.

Design:

• Volute casing pump
• Horizontal or vertical installation
• Close-coupled design
• Single-stage
• Technical requirements to ISO 5199
• Ratings to ISO 2858, complemented by pumps of nominal diameters DN 25

Main applications

• Chemical industry
• District heating
• Industrial recirculation systems
• Air-conditioning systems
• Condensate transport
• Cooling circuits
• Petrochemical industry
• Pipelines and tank farms
• Refinery
• Process engineering
• Hot-water heating systems
• Sugar industry

Fluids handled

• Aggressive fluids
• Explosive fluids
• Flammable fluids
• Toxic fluids
• Valuable fluids
• Fluids which are injurious to health
• Malodorous fluids

Operating limits

Operating properties

• Flow rate Q:
  • 50 Hz: ≤ 625 m³/h
  • 60 Hz: ≤ 754 m³/h
• Head H:
  • 50 Hz: ≤ 162 m
  • 60 Hz: ≤ 236 m
• Fluid temperature T1: ≥ -20 °C to ≤ +200 °C (Higher/lower values on request)
• Ambient temperature T2: ≥ -20 °C to ≤ +40 °C (Higher/lower values on request)
• Operating pressure p: ≤ 40 bar

Pressure and temperature limits

The pressure and temperature limits depend on the specific configuration of the hydraulic system and the type of ASME flanges used. For models with ASME flanges, the limits are determined by the lowest value from the hydraulic system diagram and the ASME flange diagram.

See the official PDF for exact tabulated values and diagrams.

Mechanical / hydraulic

Design details

• Pump casing:
  • Single or double volute, depending on pump size
  • Radially split volute casing
  • Volute casing with integrally cast pump feet
  • Replaceable casing wear rings
  • Heatable
  • Draining facility
• Impeller type:
  • Closed radial impeller with multiply curved vanes
  • Discharge-side sealing clearance reduces axial thrust
• Shaft seal:
  • Seal-less, with magnetic coupling
  • Containment shroud as sealing element
  • Optional: with leakage barrier
• Casing cover variants:
  • Internal circulation
  • Low-boiling fluids
  • External circulation (with fluid handled, with barrier fluid)
  • Dead-end configuration
  • Flushing connection
  • Heatable
  • Draining facility
  • Internal ring filter or main flow filter
• Bearings:
  • Drive-end bearings: Shaft supported by motor
  • Pump-end bearing: Hydrodynamic plain bearings, product-lubricated

Materials

A range of materials is available for key components:

• Casing: Stainless steel 1.4408 / A743 Gr CF8 M, Duplex stainless steel 1.4593/1.4517/A995 GR 1B, Steel GP240GH+N / A216 Gr WCB, 1.7706
• Impeller: Stainless steel 1.4408 / A743 GR CF8M, Grey cast iron EN-GJL-250 / A48 CL 35B, Duplex stainless steel 1.4593/1.4517/A995 GR 1B
• Shaft (plain bearing): Duplex stainless steel 1.4462 / UNS S31803, 1.4313+QT780 / A479 UNS S41500 (optional)
• Thrust bearing ring: SSiC, SiC, DLC-coated (optional)
• Containment shroud: 1.4571-2.4610, 1.4462-2.4610, Zirconium oxide (optional)
• Inner rotor: 1.4571-SAMCO, 1.4462-SAMCO
• Outer rotor: ST-SAMCO

See the official PDF for a comprehensive list of materials for all components and variants.

Technical data

• Magnetic coupling diameters: 85 mm, 123 mm, 172 mm
• Magnetic coupling length: Min. 10 mm to Max. 100 mm (varies by diameter)
• Volute casing design: Single volute (E) or double volute (D)
• Hydraulic system design: Extended-flow (E) or standard-flow (L)
• Heatable casing and heatable casing cover options are available for many sizes.
• Weight of pump (unheated, without motor): Ranges from 65 kg to 372 kg, depending on pump size and motor frame.

See the official PDF for detailed tables of impeller dimensions, free passage, and specific weights per pump size and motor frame.

Flange design

Flanges are available to EN 1092-1 and ASME B16.5 standards.

• Pressure classes: PN16, PN25, PN40, Class 150, Class 300
• Materials: Stainless steel (C, V), Cast steel (E, Y), Duplex stainless steel (D)

See the official PDF for specific material and pressure class combinations.

Dimensions and connections

The document includes detailed figures and tables for pump dimensions, motor dimensions, mounting plate dimensions, and support foot dimensions for various installation configurations (without mounting plate, with mounting plate, on pump feet, vertical installation).

Connections are provided for various operating modes and monitoring points, including:

• Pressure gauge (G1/4, G3/8, G1/2)
• Fluid drain (G1/4, G3/8, G1/2)
• Circulation liquid (G1/4, G3/8, G1/2)
• Condensate drain (G1/4)
• Heating liquid (G3/8)
• Temperature monitoring of containment shroud (G1/4)
• Containment shroud drain (G1/4)
• Bearing bracket lantern drain (G1/4)
• Leakage monitoring (G1/4, G3/4)
• Barrier fluid (G1/4)
• Flushing liquid (G1/4)
• Heat exchanger cooling liquid (G3/8, G3/4, G1) and vent (G3/4)

See the official PDF for all detailed dimensions, connection diagrams, and specific connection sizes.

Electrical

• Automation options:
  • PumpDrive
  • PumpMeter
• Motor weight (for 4-pole standard Siemens motor): Ranges from 13 kg (90S) to 660 kg (280M).
• Accessories for monitoring:
  • Temperature monitoring (Pt100 resistance thermometer, mineral-insulated thermocouple)
  • Fill level monitoring as dry running protection (Liquiphant level transmitter)
  • Monitoring for containment shroud leakage (Liquiphant level transmitter, contact pressure gauge, pressure switch, pressure transducer)
  • Monitoring of pump power to detect dry running and/or asynchronous operation of the magnetic coupling and to protect against overload operation (Motor load monitor)

Product benefits

• High operating reliability:
  • Only static seals are required.
  • Optional leakage barrier.
  • Containment shroud protected by anti-rub feature on outer rotor and inner rotor.
  • Self-draining facility of containment shroud.
  • Pump does not need to be drained before drive unit is fitted/removed.
• Broad application range:
  • Product-lubricated plain bearings made of silicon carbide (DLC coating optionally available).
  • Modular design principle for hydraulic system and magnetic coupling.
  • Large number of operating modes.
  • Temperature maintenance and heating facility for casing and casing cover.

Scope of supply

Depending on the model, the scope of supply includes:

• Pump
• Surface-cooled IEC three-phase current squirrel-cage motor
• Mounting plate
• Mounting plate adjusting elements for installation without foundation

Acceptance tests and warranty

• Materials testing: Test report 2.2 on request
• Final inspection: Inspection certificate 3.1 to EN 10204 on request
• Hydraulic test: The duty point of each pump is guaranteed according to ISO 9906/2A.
• Optional acceptance tests (at extra charge): Performance test to ISO 9906, NPSH test.
• Other tests (e.g., vibrations, strength) on request.
• Warranties are given within the scope of the valid terms and conditions of sale and delivery.

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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 for any project must always match the specific OEM PDF revision used for that project.

Official datasheet (PDF)

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