Oily Water Separator (15ppm)
critical
IMO Required
Dedicated OWS system for bilge water treatment — MARPOL Annex I
2000h
Service Interval
5 yr
Class Survey
15 yr
Typical Lifetime
Typical Manufacturers
RWO
Alfa Laval
DVZ
Compass
Known Models (3)
Alfa Laval PureBilge 2.5
2.5 m3/h
· 1.5 kW
· Bilge water (oily)
Common Failures:
- • Membrane module fouling
- • CIP system malfunction
- • Oil content sensor failure
Service: Membrane technology; requires regular chemical cleaning cycles.
Spares: Ersatzteile über Alfa Laval oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.
DVZ OWS-COM 2
2.0 m3/h
· 1.1 kW
· Bilge water (oily)
Common Failures:
- • Filter media exhaustion
- • Oil monitor sensor dirty
- • 3-way valve stuck
Service: Gravity-coalescer; suitable for smaller ships; simple maintenance.
Spares: Ersatzteile über DVZ oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.
RWO SKIT/S 2.0
2.0 m3/h
· 1.5 kW
· Bilge water (oily)
Common Failures:
- • 15 ppm monitor calibration drift
- • Coalescer saturation
- • Auto-stop valve failure
Service: Smaller capacity variant; same MEPC compliance requirements as larger unit.
Spares: Ersatzteile über RWO oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.