Our Systems

ROCHEM® water treatment, sewage treatment, and bespoke marine doors and hatches — plus specialist spare parts and fittings.

Our Systems

ROCHEM® water treatment, sewage treatment, and bespoke marine doors and hatches — plus specialist spare parts and fittings.

R.T.S Rochem RO Freshwater Generator

ROCHEM® Freshwater & Seawater Desalination


ROCHEM® reverse osmosis systems convert seawater to high-quality drinking water for naval and commercial vessels. Specially developed for operation in polluted coastal areas, these systems are proven across 25 naval fleets and over 180 defence vessels worldwide.

  • Capacities from 5,000 to 25,000+ litres per day

  • No chemical pre-treatment required

  • Self-controlled for safe operation by unskilled personnel

  • Approved by all international classification societies

  • Designed to meet NATO STANAG requirements for naval applications


ROCHEM® MBR Sewage Treatment


ROCHEM® membrane bioreactor systems treat combined black and grey wastewater from sewage, galley, accommodation, and laundry sources. Treated water meets MARPOL/IMO standards and can be discharged overboard in any harbour or coastal area.

  • No chemicals needed for operation

  • Scalable from 20 to 4,000+ persons

  • Meets all international contaminant limits

  • 94–97% clean water recovery for reuse or discharge

  • Designed to NATO STANAG for naval applications


Watertight Doors & Hatches


Bespoke marine-type watertight and weathertight doors and hatches designed to ISO standards for Australian naval vessels. Equipped with fast-acting, hand-operated handle mechanisms and available with fire-rating to meet your specification.

  • Custom manufactured to specification

  • Watertight and weathertight rated

  • Fire-rating options available (including A60)

  • Designed for use on Australian naval vessels


Marine Spare Parts & Fittings


Specialist supplier of marine spare parts, components, and fittings for commercial and defence vessels. With in-house marine engineering capability, we provide expert technical support in sourcing and selecting components to meet your specification and budget.

We supply valves, pumps, flexible hoses, flanges, gauges, and guaranteed spare parts for all ROCHEM® freshwater and sewage systems.