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Three-Phase Separation of Prepared Fish Streams

A fish oil decanter centrifuge processes a suitable prepared stream into an oil phase, an aqueous phase often called stickwater, and wet solids. Upstream preparation and the characteristics of the fish material affect separation. The wet solid discharge is not finished dry fish meal; further processing must be specified separately.

Choose the Complete Process Arrangement

A three-phase decanter can perform a combined separation step. Some applications use a solid-liquid decanter followed by another separator for liquid-phase polishing. Compare these arrangements using actual feed and product requirements rather than assuming a universal advantage from G-force alone.

Model References and Supply Scope

The original page names LWS420, while its detailed table starts with other LWS designations. Confirm the exact quoted model and its datasheet. Capacities in the retained table are volumetric feed references, not guaranteed fish mass throughput, oil yield or finished-product output. Verify contact materials, seals, drives, cleaning provisions and supplied documentation.

Measure Recovery and Quality

Define feed flow, oil and solids content, temperature, viscosity and required outlet composition. Use an agreed material balance to assess residual oil in wet solids and water. Product quality, hygiene and downstream handling must be evaluated separately. Surimi preparation is a different process duty and should not be inferred from a fish-oil separator listing.

Technical Reference Tables

Model	Diameter	Length	Max Speed	L/D ratio	G-force	Capacity	Main motor power	Weight	Dimension (*LWH*)
Model	(mm)	(mm)	(r/min)	L/D ratio	(g)	(m3/h)	(kw)	(kg)	(mm)
LWS355*1160	355	1160	3600	3.3	2576	2-8	15	1400	24701350830
LWS355*1460	355	1460	3600	4	2576	2-10	15	1800	27501350830
LWS450*1800	450	1800	2800	4	1976	4-25	37	2500	332017001130
LWS500*2000	500	2000	2500	4	1750	5-35	45	4000	352018001170
LWS520*2080	520	2080	3200	4	3154	5-35	55	5000	451014101170
LWS550*2000	550	2000	2800	4	2414	6-40	55	5700	457013801600
LWS650*1950	650	1950	2200	3	1761	6-45	75	5000	484015101720
LWS650*2600	650	2600	2000	4	1456	6-65	90	6000	549015101720