
Datasheet summary
BS 2125.320
PDF datasheet mirror for BS 2125.320 (Flygt Pumps). Verify with OEM before design.
Summary
Product Identification
- Product Name: Flygt 2125.320 DEWATERING PUMP
- Product Code: 2125.320
- Installation: S
- Impeller Characteristics: MT, HT
- Discharge Connection: 3”, 4”
Application
The Flygt 2125.320 is a tough dewatering pump designed for heavy-duty applications in challenging operating conditions. It is suitable for:
- Liquids containing high amounts of clay, stone chips, drilling fines, etc.
- Pumping heavy sediment from tanks, sumps, and containers.
- Liquids that are corrosive, abrasive, or contain salt water.
- Dewatering building yards, draining flooded areas, and similar applications.
Operating Limits
- Liquid Temperature: max +40° C
- Depth of Immersion: max 20 m
- pH of the Pumped Liquid: pH 6 –13
- Liquid Density: max 1100 kg/m³
- Strainer Hole Size: 7 mm x 21 mm
Electrical
- Motor Type: Squirrel cage 3-phase induction motor
- Frequency: 60 Hz
- Insulation Class: H (+180° C)
- Voltage Variation:
- Continuously running: max ± 5%
- Intermittent running: max ± 10%
- Voltage Imbalance Between Phases: max 2%
- Number of Starts/Hour: max 15
- Monitoring Equipment: Thermal contacts
- Cable: SUBCAB®
- Rating: 3~
- Rated Output: 9.7 kW
- Speed of Rotation: 3480 rpm
Voltage and Current Ratings:
| Voltage (V) | Rated Current (A) | Starting Current (A) |
|---|---|---|
| 220 | 33 | 243 |
| 230 | 32 | 256 |
| 440 | 16 | 119 |
| 460 | 16 | 125 |
| 575 | 13 | 102 |
| 600 | 12 | 107 |
Mechanical / Hydraulic
- Dimensions:
- Width: 485 mm
- Height: 830 mm
- Weight (excl. cable): 150 - 164 kg
Materials of Construction
- Outer Casing: Cast iron
- Wear Parts: High chrome alloyed whitecast iron, Nitrile rubber
- Stator Housing: Cast iron
- Strainer: Galvanized steel
- Shaft: Stainless steel
- O-rings: Nitrile rubber
- Mechanical Face Seals (Inner/Outer): Corrosion resistant cemented carbide
Options and Accessories
Options:
- Polyurethane-lined wear parts (POLY-LIFE®)
- Impeller (MT, HT) Stainless steel
- Starters
- Various cable sizes
- Zinc anodes
- Strainer Stainless steel
Accessories:
- Adapters, hose connections, and other mechanical accessories.
- Electrical accessories such as pump controller, control panels, starters, monitoring relays, cables.
Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the official OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the 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.