CompactClean EX certification

Safety on board any ship - including oil, gas and chemical tankers

The CompactClean BWMS is available in an ATEX and IECEx certified version with flowrates from 250 m³/hr, making installation in hazardous zones on board oil, chemical or Chemical and Oil tankers possible.

The EX certification notation is:

Ex II 2G Ex IIB T4 Gb
and is based on the following components:


  • UV sensor: Ex ia
  • Valves: Ex d
  • Temperature: Ex ia
  • Motors: Ex d
  • Pressure: Ex ia
  • UV lamp assembly: Ex d
  • Water level: Ex ia
  • Pumps (mechanical ATEX approval)
  • Junction Box: Ex d
  • Flow meter: Ex d ia [ia]

BWMS approved for installation in hazardous zone

“The system itself is approved for installation in the Hazardous Zone (zone 1) whereas the Main Electrical Panel and Frequency converter for the backflush pump must be installed in the Safe Zone. The distance between the system and Main Electrical Panel can be up to 100 m / 328 ft.”


  • The smallest footprint in industry
  • Only system in the world with integrated stripping solution
  • UV unit in seawater resistant Nickel-Alu-Bronze
  • Automatic flow control and lamp dimming
  • Worldwide service network
  • Fully automated operation
  • 2 hours’ holding time on USCG TA Certificate
  • IMO type approval according to the new BWMS code from IMO
  • Graphic HMI touchscreen interface
  • Automatic generation of PDF reports to authorities
  • Short delivery time
  • Easy maintenance
  • No salinity or temperature limitations
  • Down to UV Transmission of just 40% - Also in US Territory!
  • 100% chemical free treatment

Global Contacts

DESMI is a global company

Find address and contact information of our global locations


Sign up for our newsletter and we'll send you the latest headlines directly to your inbox.

* indicates required

When you subscribe to our mailing list, you consent to receiving such marketing emails from us. You can withdraw your consent at any time by unsubscribing in the emails you receive, or by contacting us at