Wärtsilä Aquarius® EC BWMS

Wärtsilä AQUARIUS® EC Ballast Water Management System (BWMS) provides robust technology for the treatment of ballast water using a simple two stage process involving filtration and electro-chlorination (EC), across the full range of ship operating and environmental conditions.

The system is easy to integrate and maintain, and is type approved according to the IMO Convention and has an Alternative Management System (AMS) acceptance certificate from the USCG.

Wärtsilä works in close cooperation with its customers, our BWMS partnership program covers all stages from fleet evaluation to lifecycle support. Wärtsilä’s tailored turnkey solutions help minimize your environmental footprint, improve operational efficiency and enhance reputation.

    Technology choice
    System Capacity (m3/h) Total Installed power (kW)
    Installed / Nominal
    AQ-250-EC 0 - 250 25.9 / 22.6
    AQ-300-EC 250 - 300 29.4 / 25.2
    AQ-375-EC 300 - 375 34.6 / 28.9
    AQ-430-EC 375 - 430 38.8 / 32.0
    AQ-500-EC 430 - 500 44.5 / 36.4
    AQ-550-EC 500 - 550 50.8 /41.0
    AQ-750-EC 550 - 750 60.6 / 48.2
    AQ-850-EC 750 - 850 71.1 / 55.9
    AQ-1000-EC 850 - 1000 85.8 / 68.3
    AQ-1200-EC 1000 - 1200 110.4 /87.0
    AQ-1500-EC 1200 - 1500 123.0 /96.9
    AQ-2000-EC 1500 - 2000 167.9 / 126.2
    AQ-2400-EC 2000 - 2400 216.1 / 159.5
    AQ-3000-EC 2400 - 3000 264.8 /193.1
    AQ-3300-EC 3000 - 3300 319.7 / 233.2
    AQ-3600-EC  3300 - 3600  365.5 / 264.7 

    Pressure drop
    Normal operation: 0.3 barg
    Backwash set point: 0.8 barg


    Type approved
    BWMS Aquarius EC TA certificate
    AMS accepted
    BWMS Aquarius EC AMS approval
    Ex Certified
    EC-EX-BVS-16-ATEX-E-023-X

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