Stage 3 Separation
Multiple Stage 3 Separation centrifuges lined up in the equipment yard

Variable and Fixed Drive Decanter Centrifuges

S3S matches your flow rate and separation targets with BOS 20, BOS 40, BOS 60, and 5800 decanter centrifuges in full-variable and fixed-drive configurations, backed by replacement units to minimize downtime and keep your operation moving.

Decanter centrifuge specifications

Decanter centrifuge specifications
ModelBowl, diameter × length (in)Capacity (gpm)Solids removal (ton/h)Main drive (hp)Back drive (hp)Feed pumpMax speed and G-forceDimensions (L × W × H)Shipping weight (lb)PowerEnquire
BOS 20 A Series14 × 562655.550153 in, 10 hpNot listed13 ft × 4 ft 6 in × 5 ft6,0001 × 480 V, 100 A, 3W4PEnquire about the BOS 20 A Series
BOS 20 D Series14 × 562655.550203 in, 10 hpNot listed14 ft 6 in × 4 ft 10 in × 4 ft 3 in7,5001 × 480 V, 100 A, 3W4PEnquire about the BOS 20 D Series
BOS 40 L Series19 × 8044012125204 in, 20 hpNot listed16 ft × 4 ft × 4 ft 11 in12,0002 × 480 V, 100 A, 3W4PEnquire about the BOS 40 L Series
BOS 40 T Series19 × 8044012125204 in, 20 hpNot listed15 ft 2 in × 3 ft 9 in × 4 ft 8 in10,5002 × 480 V, 100 A, 3W4PEnquire about the BOS 40 T Series
BOS 6022.6 × 9670517150304 in, 20 hpNot listed17 ft × 4 ft 3 in × 5 ft14,5002 × 480 V, 100 A, 3W4PEnquire about the BOS 60
5800 horizontal centrifuge16 × 56Not listedNot listed60Not listedNot listed3,600 rpm, 2,944 GNot listedNot listed480 VAC through VFD, 53.8 A with NE-60 feed pumpEnquire about the 5800 horizontal centrifuge

BOS models run a variable-speed main drive, back drive, and feed pump. Capacity and solids removal are rated on fresh water. The 5800 is stainless steel with a tungsten carbide conveyor, a 57:1 planetary gearbox, and five adjustable pool dams. The Tri-Canter three-phase centrifuge is listed under oil recovery. Sources: BOS Centrifuges data sheet (2021), 5800 Horizontal Centrifuge data sheet (2014).

Talk to an S3S centrifuge expert.

S3S matches the centrifuge to your flow rate, solids characteristics, and target cut point, with skilled operators and backup equipment to maintain performance and minimize downtime. Bench testing in the S3S lab sets the polymer and dose before full-scale operation.

Multiple Stage 3 Separation centrifuges lined up in the equipment yard