KSB Etanorm & Etabloc Standardized Volute Casing Water Pumps
The KSB Etanorm Standardized Water Pump Series (encompassing long-coupled **Etanorm** and close-coupled **Etabloc** monobloc models, featured model: Etanorm G 050-032-160) is the world's most widely specified single-stage volute casing pump platform, engineered to EN 733 and ISO 2858 standards for water supply systems, industrial cooling circuits, HVAC water circulation, irrigation, and fire-fighting systems. Driven by standardized IEC electric motors (compatible with high-efficiency IE3, IE4, and magnetless SuPremE® IE5 synchronous motors), Etanorm pumps feature CFD-optimized impellers and refined volute casings that deliver market-leading hydraulic efficiency exceeding ErP Directive energy benchmarks. Constructed with heavy-duty grey cast iron (JL1040), bronze (CC480K), or stainless steel (1.4408) casings and fitted with standardized EN 12756 mechanical shaft seals, Etanorm pumps operate smoothly across discharge sizes from **DN 25 to DN 150** with motor outputs up to **315 kW**, achieving total dynamic heads up to **160 meters** and discharge capacities up to **1,900 m³/h**. WE DRIVE HONGKONG LIMITED provides technical sourcing, impeller trimming, motor power pairing, and global express supply for KSB Etanorm and Etabloc standardized pumps worldwide.
Technical Specifications
| Featured Model | Etanorm G 050-032-160 (Standardized Volute Casing Water Pump, DN 50 Suction / DN 32 Discharge, 160 mm Impeller Nominal, 5.5 kW IE3 Motor Pairing) |
|---|---|
| Brand / Manufacturer | KSB SE & Co. KGaA (German Precision Fluid Engineering) |
| Product Series | Etanorm Series (Baseplate Long-Coupled) & Etabloc Series (Close-Coupled Space-Saving Monobloc) |
| Flow Rate Capacity Range | 1.5 m³/h to 1,900 m³/h (6.6 GPM to 8,360 GPM Maximum Displacement) |
| Max Discharge Head | 2 m to 160 m (6.5 ft to 525 ft Total Dynamic Head) |
| Hydraulic Standards Compliance | EN 733 (DIN 24255) Standardized Dimensions & ISO 2858 Volute Casing Execution |
| Electric Motor Pairing Options | Standard IEC Flanged Motors (0.55 kW to 315 kW, IE3 / IE4 High Efficiency), SuPremE® Magnetless IE5 Synchronous Motors, and Integrated PumpDrive VFDs |
| Materials & Mechanical Sealing | Cast Iron (EN-GJL-250), Nodular Iron, Bronze, Stainless Steel 316; Standardized EN 12756 Single Mechanical Seals (SiC/Carbon/EPDM) |
Documentation & Resources
KSB Etanorm Model, Impeller Trim & Motor Power Pairing Matrix
Complete selection matrix for KSB Etanorm and Etabloc standardized volute casing water pumps. Review discharge sizes, nominal impeller diameters, flow rates, heads, motor power ratings, and standard applications:
| KSB Etanorm Model | Suction / Discharge Size | Nominal Flow (m³/h) | Max Head (m) / Speed | Standard Motor Power | KSB Model Code Example |
|---|---|---|---|---|---|
| Etanorm 032-025-125 | DN 32 / DN 25 Flange | 12 m³/h | 22 m Head (2900 RPM) | 1.5 kW - 3.0 kW (IE3) | Etanorm G 032-025-125 G10 |
| Etanorm 050-032-160 | DN 50 / DN 32 Flange | 25 m³/h | 38 m Head (2900 RPM) | 4.0 kW - 5.5 kW (IE3) | Etanorm G 050-032-160 G10 |
| Etanorm 065-040-200 | DN 65 / DN 40 Flange | 50 m³/h | 58 m Head (2900 RPM) | 11.0 kW - 15.0 kW (IE3) | Etanorm G 065-040-200 G10 |
| Etanorm 080-050-250 | DN 80 / DN 50 Flange | 100 m³/h | 88 m Head (2900 RPM) | 22.0 kW - 30.0 kW (IE3) | Etanorm G 080-050-250 G10 |
| Etanorm 100-065-315 | DN 100 / DN 65 Flange | 200 m³/h | 135 m Head (2900 RPM) | 45.0 kW - 75.0 kW (IE3) | Etanorm G 100-065-315 G10 |
| Etabloc 050-032-160 | DN 50 / DN 32 Close-Coupled | 25 m³/h | 38 m Head (Monobloc) | 3.0 kW - 5.5 kW (Compact) | Etabloc G 050-032-160 G10 |
Generic Water Pump to KSB Etanorm Standardized Unit Upgrade Guide
Direct replacement guide for upgrading power-inefficient, maintenance-heavy generic water pumps to high-efficiency KSB Etanorm standardized centrifugal units:
| Generic Centrifugal Water Pump | Operational & Energy Disadvantages | Current KSB Etanorm Equivalent | Key Efficiency & Hydraulic Advantages |
|---|---|---|---|
| Non-Standardized Split-Case or End-Suction Pump | High electricity bills, non-compliant with ErP energy standards, hard-to-source spare parts | KSB Etanorm 050-032-160 / 065-040-200 EN 733 Standardized Fit | CFD-optimized hydraulic passages significantly reduce life cycle power costs; standardized EN 733 dimensions guarantee universal spare parts availability. |
| Packed Gland Seal End-Suction Water Pump | Continuous water leakage, shaft sleeve wear, and dirty pump room floors | KSB Etanorm with EN 12756 Mechanical Seal Zero Leakage Seal | Standardized single mechanical seals (SiC/Carbon/EPDM) provide 100% leak-free performance and eliminate routine gland packing adjustments. |
| Fixed-Speed Circulation Pump in Variable Load HVAC | Throttling valve energy losses and hydraulic noise in pipe networks | KSB Etanorm + PumpDrive / SuPremE® IE5 IE5 Magnetless Energy Savings | Variable speed control via PumpDrive VFD adjusts motor speed dynamically to heating/cooling demand, saving up to 60% in electricity consumption. |
Expert Technical Sourcing & Industrial Hydraulic System Integration Notes
When retrofitting pumping stations or replacing legacy end-suction centrifugal pumps, switching to KSB Etanorm pumps delivers immediate operational benefits: reduced life-cycle energy consumption, compliance with strict EU ErP efficiency regulations, standardized EN 733 installation dimensions, low noise and vibration levels, and seamless integration with intelligent PumpDrive speed controllers. Simply provide us with your complete pump type code, serial number, or operating flow/head duty points, and our technical engineering team will deliver a 100% compliant replacement specification and proposal.
Core Benchmark Model Standard Configurations
- Etanorm G 032-025-125 (1.5 kW 2900)
- Etanorm G 040-025-160 (3.0 kW 2900)
- Etanorm G 050-032-160 (5.5 kW 2900)
- Etanorm G 065-040-200 (11.0 kW 2900)
- Etanorm G 080-050-250 (22.0 kW 2900)
- Etanorm G 100-065-315 (45.0 kW 2900)
- Etanorm G 125-100-400 (90.0 kW 1450)
- Etabloc G 040-025-160 (3.0 kW Monobloc)
- Etabloc G 050-032-200 (7.5 kW Monobloc)
- Etabloc G 065-050-160 (11.0 kW Monobloc)
- KSB Etanorm Standardized Water Pump
- KSB Etabloc Close-Coupled Water Reducer
- KSB SuPremE® Magnetless IE5 Motor
- KSB PumpDrive VFD Speed Control
- KSB EN 733 Volute Casing Pump
- KSB ISO 2858 Centrifugal Water Pump
- KSB CFD Optimized Impeller Water Pump
- KSB HVAC Cooling Circulation Pump
- KSB Water Pump Sourcing
- WE DRIVE HK Industrial Pumps
