Decanter Alfa Laval NX3651B-31G for Rendering, Wastewater Separation

The Alfa Laval NX3651B-31G is a decanter centrifuge from Alfa Laval’s NX series, typically used in food processing, rendering, wastewater, and industrial separation.

Model: Alfa Laval NX3651B-31G
Manufacturing No.: 5122582
Year of Manufacture: 2010
Max Bowl Speed: 4200 rpm
Max Solids Density: 1.6 kg/dm³
Feed Temperature Range: 0–100°C
Manufactured in: India
CE Certified
This confirms you have a mid-size, high-G decanter centrifuge suitable for meat processing, DAF sludge, rendering, and industrial wastewater — very common in Australian food plants.
1. Bowl & Separation Performance
At 4200 rpm, the bowl generates roughly 3200–3500 G, depending on exact bowl geometry.
This puts it in the high-performance class for a 360 mm bowl.
2. “31G” Configuration Code
Alfa Laval’s suffix codes define the internal build:
3- Scroll pitch & conveyor geometry
1- Beach angle (typically 10° or 15°)
G- Wear protected industrial package (tungsten carbide tiles, hardened feed zone)
This machine is built for abrasive solids, protein-rich slurries, and continuous duty.