Alfa Laval Decanter Centrifuge

Specification for Alfa Laval CBDNX438B-31G Decanter

Date of issue: 2013-06-18

Decanter type designation: CBDNX438B-31G

Machine no. : 5022274


Bowl Assembly
Operating Centrifugal Force:
 


3193 G

Bowl
diameter:
480
mm

Beach angle:
10°

Solids discharge type:

360°-type with 8 wear liners

Material – hubs:
AL
111 2329-83 (Duplex)

Material – bowl shell:
AL
111 2329-83 (Duplex)

Material – gaskets and seals:

Liquid outlet, type:
4
Plate dams

Conveyor Assembly
Material –
flights:
AL
111 2349 (AISI 316)

Material – hub:
AL
111 2349 (AISI 316)

Wear protection
Bowl solids discharge:
 


Wear liner in tungsten carbide.


Conveyor flights:
TM21
(flame sprayed tungsten carbide)

Conveyor feed zone:

Flame sprayed tungsten carbide

Casing liner:
Wear
liner in upper casing

Frame and Casing
Material – casing / cover:
 


Stainless steel (AISI 316)


Material frame:
Mild
steel

Paint colour:

Medium blue NCS 3560-R75B

Drive Assembly
Gearbox, torque rating:
 


DD 3.5 kNm


Gearbox, ratio:
1:52

Backdrive:

Variable Frequency Drive DD, 11 kW
Main
drive motor:
55
kW ABB (M2AA 250SMA)
Main
drive motor, protection:

Thermistor