Offshore oil rigs illuminated with orange lights at dusk, with smoke rising from the oil refinery in the background, reflected in the water.

Rochem RO Freshwater Generators

About

Rochem® freshwater generators convert seawater into high-quality drinking water using reverse osmosis. Available for naval, commercial and land-based applications, these systems have been installed and serviced in their thousands worldwide over decades.

Overview

With submarines not surfacing for weeks, service ships and research vessels not returning to port for months at a time, it makes good sense to have a freshwater generator you can depend on absolutely. Rochem builds ultra-reliable, easy-to-service and easy-to-operate units because the situations they operate in demand nothing less.

Tailor-made solutions are available for special requirements such as dredgers, river cruise ships and vessels operating in difficult water with high fouling potential.

Key Specifications

  • Construction: Stainless steel AISI 316

  • Seawater recovery rate: Approximately 33% as permeate

  • Typical membrane lifespan: 5 years (35,000 hours)

  • Automatic Stop and Rinse mode: Prevents fouling during shutdowns of up to 2 weeks

  • Classification approvals: GL, LR, ABS, DNV, BV, RINA

  • Compliance: DIN, VDE, VDMA, IEC, ISO, NATO-Stanag (shock, vibration, EMC)

No chemicals required for system operation.