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RWO OWS-COM & CS-BIO Systems - Proven Marine Water Treatment

Authorized RWO Distributor | Industry-Leading OWS & STP Systems | Singapore
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N&P Maritime supplies RWO's top-selling marine water treatment systems: the OWS-COM oily water separator and CS-BIO sewage treatment plant. As an authorized RWO distributor based in Singapore, we provide genuine equipment with full factory support, warranty, and comprehensive after-sales service.These two systems represent RWO's most proven and reliable technology, chosen by vessel operators worldwide for their dependability, regulatory compliance, and cost-effective operation. Both systems are designed and manufactured in Germany to the highest standards of quality and environmental performance.
Why Source RWO OWS-COM & CS-BIO from N&P Maritime:

RWO OWS-COM Oily Water Separator/

The OWS-COM is RWO's flagship oily water separator and the industry's most trusted bilge water treatment solution. With over 16,000 RWO units delivered worldwide, ship owners choose OWS-COM for its proven coalescer technology, reliability, and consistent compliance with IMO MEPC.107(49) regulations.

Key Features & Benefits

Technical Specifications

Capacity Range: 0.5 to 10.0 m³/h
‍Discharge Standard: 15 ppm (IMO MEPC.107(49) approved)
‍Separation Technology: Two-stage coalescer and adsorber system
‍Materials: Marine-grade materials for corrosion resistance
‍Operation: Fully automatic with manual override capability
‍Monitoring: Integrated oil content meter (OCM) with alarm functions
‍Power Supply: Available in various voltages (consult for specifications)
‍Installation: Compact modular design for flexible installation

Applications & Vessel Types

The OWS-COM serves all commercial vessel types:

Already have RWO OWS-COM equipment?

Browse our comprehensive RWO OWS spare parts catalog for genuine coalescer filter material, adsorber cartridges, sensors, heating elements, pumps, valves, and electrical components. We maintain stock in Singapore for fast delivery.

RWO CS-BIO Sewage Treatment Plant/

The CS-BIO is RWO's most popular sewage treatment plant, chosen by thousands of vessel operators worldwide for its proven biological treatment process, low operational costs, and straightforward maintenance. The activated sludge system delivers consistent IMO MEPC.227(64) compliant performance across all vessel types.

Key Features & Benefits

Technical Specifications

Capacity Range: 6 to 240 persons
‍Treatment Process: Activated sludge biological treatment
‍Discharge Standard: IMO MEPC.227(64) compliant
‍Treatment Stages: Aeration, settlement, disinfection
‍Operation Mode: Fully automatic with monitoring and alarm functions
‍Aeration System: Energy-efficient blower technology
‍Materials: Marine-grade materials for corrosion resistance
‍Installation: Modular design for flexible installation
‍Power Supply: Available in various voltages (consult for specifications)

How CS-BIO Works

The CS-BIO uses a four-stage treatment process:

Applications & Vessel Types

The CS-BIO serves all commercial vessel types:

Already have RWO CS-BIO equipment?

Browse our RWO STP spare parts catalog for genuine blowers, pumps, chemical dosing components, sensors, control panels, and service kits. We maintain stock in Singapore for common CS-BIO components.

Choosing the Right System for Your Vessel/

OWS-COM Capacity Selection

Select capacity based on vessel size and bilge water generation:

CS-BIO Capacity Selection

Select capacity based on maximum persons on board (POB):
Need sizing assistance? Contact us with your vessel details for personalized recommendations on capacity, installation, and regulatory compliance.

Why Choose N&P Maritime for RWO OWS-COM & CS-BIO/

Ready to Discuss Your RWO OWS-COM or CS-BIO Requirements?/

To request a quote, please provide:
For OWS-COM:
For CS-BIO:
Additional helpful information:
Contact Us:
Response time: 1-2 working days for preliminary pricing, 3-5 days for complete quotations with specifications, drawings, and delivery schedule.

RWO OWS-COM & CS-BIO spare Parts/

Already operating RWO equipment? We supply genuine spare parts with fast quotations and global delivery.
Browse RWO Spare Parts Catalog
Available parts:
Why buy from us:

Frequently Asked Questions -
RWO OWS-COM & CS-BIO/

1. Why do you only offer OWS-COM and CS-BIO, not other RWO systems?

2. What is the typical lead time for OWS-COM or CS-BIO equipment?
3. Can I get other RWO systems through N&P Maritime?
4. Do you provide installation and commissioning support?
5. Is warranty included with RWO equipment?
6. How do I know which capacity OWS-COM or CS-BIO I need?
7. Do you keep spare parts in stock for OWS-COM and CS-BIO?
8. What documentation is provided with equipment?
9. Can you supply to vessels worldwide, not just in Asia?
10. What makes OWS-COM and CS-BIO better than competitors?

quick enquiry/

Request a Quote for RWO 
or Deckma Spare Parts
‍
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