KSB Multitec Horizontal High-Pressure Multistage Pumps
The KSB Multitec Horizontal Multistage High-Pressure Pump Series (encompassing **Multitec A, B, C, and D** modular orientation variants, featured model: Multitec A 050/08) is KSB's heavy-duty fluid handling platform engineered for extreme high-pressure industrial applications including power plant boiler feed water, high-head municipal water transport, reverse osmosis seawater desalination, geothermal heating, mine dewatering, and snow-making systems. Designed with a robust modular **ring section casing** tied together by high-tensile tie bolts, Multitec pumps allow flexible 90-degree orientation choices for suction and discharge nozzles (left, right, top) to adapt seamlessly to existing plant piping. Constructed with precision-cast closed impellers and diffusers available in grey cast iron (JL1040), bronze (CC480K), cast steel (GP240GH), or Duplex stainless steel (**Noridur 1.4593**), Multitec pumps feature uncooled, maintenance-friendly mechanical seals and dynamic balance discs/drum systems to compensate for heavy axial thrust loads. Driven by standardized IEC flange/foot motors (up to **1,000 kW**, compatible with high-efficiency IE3/IE4 motors, SuPremE® IE5 magnetless motors, and PumpDrive VFDs), Multitec pumps achieve discharge pressures up to **100 bar (1,000 meters total dynamic head)** and capacities up to **850 m³/h**. WE DRIVE HONGKONG LIMITED provides technical sourcing, stage-by-stage hydraulic calculations, mechanical seal matching, and global express supply for KSB Multitec high-pressure multistage pumps worldwide.
Technical Specifications
| Featured Model | Multitec A 050/08 (Horizontal High-Pressure Multistage Pump, DN 65 Suction / DN 50 Discharge, 8 Stage Chambers, 45 kW IE3 Motor Pairing, 40 bar Nominal Operating Pressure) |
|---|---|
| Brand / Manufacturer | KSB SE & Co. KGaA (German Precision High-Pressure Fluid Engineering) |
| Product Series | Multitec Series (Execution A: Top/Top Nozzles; B: Left/Top; C: Right/Top; D: Special Orientations) |
| Flow Rate Capacity Range | 2.0 m³/h to 850 m³/h (8.8 GPM to 3,740 GPM Maximum Displacement) |
| Max Discharge Head & Pressure | 20 m to 1,000 m Head (2 bar to 100 bar / 1,450 PSI Total Dynamic Pressure) |
| Nozzle Sizes & Flanges | DN 32 to DN 150 Discharges; Flanges Rated to EN 1092-2 / EN 1092-1 PN 16, PN 25, PN 40, PN 63, and PN 100 |
| Electric Motor Pairing Options | Standard IEC Baseplate Motors (2.2 kW to 1,000 kW, 2-Pole / 4-Pole, IE3 / IE4), SuPremE® Magnetless IE5 Motors, and Integrated PumpDrive Variable Speed Control |
| Materials & Mechanical Sealing | Cast Iron (EN-GJL-250), Bronze, Cast Steel, Duplex Stainless Steel (Noridur 1.4593); EN 12756 Uncooled Single or Double Mechanical Seals |
Documentation & Resources
KSB Multitec Model, Stage Count & Motor Power Matrix
Complete selection matrix for KSB Multitec horizontal multistage high-pressure pumps. Review nominal discharge sizes, stage capacities, max head pressures, motor power ratings, and standard applications:
| KSB Multitec Model | Discharge Flange Size | Stage Range (Chambers) | Max Flow (m³/h) / Head (m) | Motor Power Range | KSB Model Code Example |
|---|---|---|---|---|---|
| Multitec A 32 | DN 32 Flange | 2 to 15 Stages | 35 m³/h / 450 m (45 bar) | 5.5 kW - 37.0 kW (IE3) | Multitec A 032/06 01132 |
| Multitec A 50 | DN 50 Flange | 2 to 14 Stages | 80 m³/h / 650 m (65 bar) | 15.0 kW - 90.0 kW (IE3) | Multitec A 050/08 01132 |
| Multitec A 65 | DN 65 Flange | 2 to 12 Stages | 140 m³/h / 780 m (78 bar) | 30.0 kW - 160.0 kW (IE3) | Multitec A 065/06 01132 |
| Multitec A 80 | DN 80 Flange | 2 to 10 Stages | 250 m³/h / 850 m (85 bar) | 55.0 kW - 250.0 kW (IE3) | Multitec A 080/05 01132 |
| Multitec A 100 | DN 100 Flange | 2 to 10 Stages | 420 m³/h / 950 m (95 bar) | 90.0 kW - 450.0 kW (IE3) | Multitec A 100/04 01132 |
| Multitec A 125 / 150 | DN 125 - DN 150 | 2 to 8 Stages | 850 m³/h / 1,000 m (100 bar) | 200.0 kW - 1,000.0 kW | Multitec A 150/03 01132 |
Generic Multistage Pump to KSB Multitec High-Pressure Upgrade Guide
Direct replacement guide for upgrading failure-prone, leaking generic horizontal multistage pumps to heavy-duty KSB Multitec units:
| Generic Horizontal Multistage Pump | Operational & Sealing Disadvantages | Current KSB Multitec Equivalent | Key Performance & Design Advantages |
|---|---|---|---|
| Conventional Ring Section Pump with Complex Piping | Rigid nozzle positions require expensive piping redesign and site modification | KSB Multitec (A / B / C / D Nozzle Setup) Flexible 90° Orientations | Modular suction/discharge casings rotate in 90-degree increments to match existing plant pipework effortlessly. |
| High-Maintenance Boiler Feed Pump with Water Cooling | High cooling water consumption, seal flushing scale buildup, and high utility bills | KSB Multitec with Uncooled Seals Uncooled Mechanical Seal | Specialized mechanical seal chamber operates up to 140°C without external cooling water lines, saving utilities. |
| High-Thrust Pump with Frequent Bearing Failure | Heavy hydraulic axial thrust causes rapid bearing wear and unexpected shaft seizing | KSB Multitec with Dynamic Balancing Disc Automated Axial Thrust Balance | Integrated balancing disc or balance drum automatically neutralizes axial forces, extending bearing life past 50,000 hours. |
Expert Technical Sourcing & High-Pressure Plant Integration Notes
When retrofitting high-pressure pumping stations or replacing worn ring section pumps, switching to KSB Multitec pumps delivers immediate operational benefits: customizable 90-degree nozzle positioning, uncooled mechanical seal operation up to 140°C, extreme pressure capabilities up to 100 bar, dynamic balance drum axial thrust compensation, and full compatibility with PumpDrive variable speed controllers. Simply provide us with your complete pump model designation, serial number, or required flow/head duty points, and our technical engineering team will deliver a 100% compliant replacement specification and proposal.
Core Benchmark Model Standard Configurations
- Multitec A 032/04 (11.0 kW 2900)
- Multitec A 032/08 (22.0 kW 2900)
- Multitec A 050/04 (22.0 kW 2900)
- Multitec A 050/08 (45.0 kW 2900)
- Multitec A 065/04 (45.0 kW 2900)
- Multitec A 065/06 (75.0 kW 2900)
- Multitec A 080/03 (75.0 kW 2900)
- Multitec A 080/05 (132.0 kW 2900)
- Multitec A 100/03 (160.0 kW 2900)
- Multitec A 100/05 (250.0 kW 2900)
- Multitec A 150/03 (400.0 kW 1450)
- KSB Multitec Horizontal Multistage Pump
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