
Datasheet summary
HGM
PDF datasheet mirror for HGM (KSB Pumps). Verify with OEM before design.
Summary
Product identification
The KSB HGM-S is a boiler feed pump designed for:
- Pumping feed water in power stations
- Pumping boiler feed water and condensate in industrial plants
- General industrial plants
Key features include:
- Very smooth operation thanks to product-lubricated bearings
- Low NPSH values due to axial inlet, combined with suction impeller
- No auxiliary systems required (no cooling water or lubricant supply)
- Robust design and long service life
- Stage casings with wear ring
- Impellers and diffusers in Chrome steel
- Ease of service
- Optimum matching to customer requirements via various hydraulic system options
- One KSB mechanical seal, uncooled up to 160 °C
- 5-year warranty as standard
Operating limits
- Max. Flow:
- 50 Hz: 325 m³/h / 1431 US GPM
- 60 Hz: 390 m³/h / 1717 US GPM
- Max. Head: 1000 m / 3280 ft
- Max. Temperature: Up to 160 °C / 320 °F
- Max Pressure: 100 bar / 1450 psi
- Nominal size: 25 – 125 mm / 1” – 5”
- Higher ratings available on request.
Mechanical / hydraulic
The pump features a robust design with specific material variants:
| Component | Variant 3 | Variant 4 | Variant 7* |
|---|---|---|---|
| Discharge casings | Stainless steel | Stainless steel | Steel |
| Stage casing | Stainless steel / steel* | Stainless steel / steel** | Steel |
| Suction stage impellers | Stainless steel | Stainless steel | Stainless steel |
| Impellers | Stainless steel | Stainless steel | Stainless steel |
| Diffusers | Stainless steel | Stainless steel | Stainless steel |
| Shaft | Steel | Stainless steel | Steel |
- * Combinations available: variant 7 only for pump sizes 2 and 3
- ** Depending on pump size and stage
Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. Contractual data must always match the official OEM PDF revision used for your project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.