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 USCG Regulations.

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-550-EC 55 - 550 38 / 33
    AQ-1200-EC 120 - 1200 75 / 65
    AQ-1650-EC 165 - 1650 104 / 90
    AQ-2500-EC 250 - 2500 161 / 140
    AQ-3300-EC 330 - 3300 202 / 174
    AQ-4000-EC  400 - 4000  245 /211

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


    IMO Type Approved
    BWMS Aquarius EC TA certificate
    USCG Type Approved
    BWMS Aquarius EC AMS approval
    Ex Certified
    EC-EX-BVS-16-ATEX-E-023-X

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