Lobe Pump

Alfa Laval 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
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
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Protection class: IP55
Insulation class: F
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
Arrangement: IM B3 (horizontal foot-mounted)

Pump Section

Manufacturer: Alfa Laval (Made in England, Eastbourne plant)
Type: Rotary lobe pump (LKP-L6246 designation cast on pump housing)
Inlet / outlet: 4” Tri-Clamp or 4” threaded sanitary connection
Material: Stainless steel (acid-resistant)
Typical displacement: 1.5 – 2.0 L/rev (for 4” lobe size)

Performance Estimation

Parameter Value Notes
Pump speed (post-gearbox) ~346 rpm From 4.21:1 ratio
Estimated flow rate (theoretical) 31 – 41 m³/h Based on 1.5–2.0 L/rev
Working pressure range up to ~5–6 bar Limited by 7.5 kW drive
Available mechanical output (motor, η≈0.85) ~6.4 kW Available for pumping
Shaft torque ~177 Nm At 346 rpm

Ready for immediate delivery!

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