"> Jowa (Sweden) OWS / OCM Series
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Jowa (Sweden)

OWS / OCM Series

Jowa AB is a Swedish manufacturer of marine water treatment systems from Gothenburg, part of the Atlas Copco Group since 2022. The OWS Series is a standard gravity/coalescer system particularly distributed on Scandinavian ferries and tankers. Jowa is also a major manufacturer of Oil Content Monitors (OCM), deployed as standalone OCM on vessels of other OWS manufacturers.

0.5-5.0 m³/h
Capacity
Bilge Water / Oily Water
Medium

Components & Design

Component data being added…

Technical Data

type Gravity + Coalescer OWS with integrated OCM
variant count approx 4
period start year 1995
drive type Electric
construction Gravity separation + coalescer + OCM

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Common failures & inspection points

●OCM window fouling causing false readings
●Coalescer element degradation
●Bilge pump air lock from empty bilge well
●Solenoid valve failure on 3-way valve

Service & Maintenance

OCM window cleaning weekly. Coalescer replacement per running hours. OCM calibration monthly. MARPOL compliance documentation.

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Replacement Parts

Jowa (Gothenburg, Sweden, part of Atlas Copco group since 2022). Lead time: 2-4 weeks.
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Equipment Model #37775 · ✓ still in production