No filters. No chemicals.
One pass.

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KBAL® – Knutsen Ballast Water Treatment Technology

Knutsen Ballast Water Treatment Technology, KBAL, is the first BWTS of its type that is approved by IMO and USCG according to the revised G8 standard that does not use filters or chemicals.

KBAL is also the first UV Ballast water treatment system that is approved for One-Pass treatment.

KBAL® – Technology

The KBAL Treatment Technology is based around our patented PV Reactor, allowing the KBAL system to operate without a filter system. The KBAL system has been successfully installed and operated on numerous vessels.

Latest News

Janeiro
February 3rd, 2026

KBAL BWTS onboard newbuild shuttle tanker Janeiro Knutsen

KBAL BWTS onboard newbuild shuttle tanker Janeiro Knutsen

The KBAL BWTS was successfully commissioned and approved by Class and Owner, onboard the 154,000 dwt newbuild shuttle tanker Janeiro Knutsen. This vessel is installed with 2 x KBAL3000 filter-less UV BWT systems.

Picture1
January 15th, 2026

KBAL signs new contracts

KBAL signs new contracts

KBAL has been awarded new contracts from major Chinese shipyards, for delivery of double KBAL3000 ballast water treatment systems. The bwt systems will be installed on newbuild shuttle tankers. We thank our customers for the continued vote of confidence!

Certification

KBAL has been rigorously tested and type approved according to the latest IMO and US Coastguard requirements, ensuring that the system is fully compliant across the globe.

In addition, the KBAL BWTS has been approved by a number of classification societies to meet the requirements of specific flag states, with work in progress on further approval certificates.

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