Lobe pump

Alfa Laval Type: LKP-L6246

Item: DP-6833-LKP-L-LobePump

Alfa Laval Rotary Lobe Pump Type: LKP-L6246
Stainless Steel, Acid-Resistant Pump
Type: LKP-L6246
Motor: 7.5 kW
1455 RPM
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2 identical units available

Alfa Laval Lobe Pump Assembly – Technical Summary

Drive Configuration

Motor Brand: ABB
Model: 3GAA132-114
Power: 7.5 kW
Speed: 1455 rpm (50 Hz)
Voltage: 400 V / 3-phase
Protection Class: IP55
Insulation Class: F
Power Factor (Cos φ): 0.82

Gearbox

Manufacturer: Benzlers (Made in Sweden)
Model: BC247-03
Gear Ratio: 4.21 : 1
Output Speed: 1455 / 4.21 ≈ 346 rpm
Oil Type: BP GR-XP 220
Mounting Arrangement: IM B3 (horizontal, foot-mounted)

Pump Section

Manufacturer: Alfa Laval (Made in England, Eastbourne plant)
Type: Rotary Lobe Pump (LKP-L6246 designation on pump casing)
Connection: 4” sanitary fitting (inlet/outlet)
Material: Stainless steel (acid-resistant)
Typical Displacement: 1.5–2.0 L/rev (for 4” lobe size)

Performance Data (Estimates)

- Pump speed (post-gearbox): ~346 rpm (from 4.21:1 ratio)
- Theoretical capacity: 31–41 m³/h (based on 1.5–2.0 L/rev)
- Working pressure range: up to approx. 5–6 bar (limited by 7.5 kW drive)
- Motor mechanical output (efficiency ≈0.85): approx. 6.4 kW available for pumping
- Shaft power/torque: approx. 177 Nm at 346 rpm

Ready for delivery!

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