Optimarin Guardian receives DNV Type Approval

Optimarin has received DNV Type Approval for the Optimarin Guardian ballast water management system, completing the integration of Guardian into Optimarin’s product portfolio and making the system ready for commercial delivery.

Guardian combines proven Hyde Marine UV reactor technology with the Optimarin control system already familiar to customers and crews. It also uses established components from Optimarin’s Protector portfolio, including filters, backflush pumps, valves and instrumentation.

The result is a compact and energy-efficient BWMS designed for straightforward integration and simple operation.

Guardian is available in configurations from 60 (pictured) to 3,000 m³/h, significantly broadening Optimarin’s offering at the lower end of the capacity range. The 60 m³/h system is particularly important, opening opportunities in segments where compact dimensions and lower power demand are critical, including yachts and fishing vessels.

“Receiving Type Approval for Guardian is an important milestone for Optimarin,” says Tore Svanheld, CEO of Optimarin.

“Our aim was simple: take a proven UV technology and integrate it into the Optimarin platform in a way that makes sense for our customers. That means lower power requirements, straightforward operation and the same control philosophy and support they already know.”

Following Optimarin’s acquisition of Hyde Marine’s ballast water treatment business, Guardian has been integrated into Optimarin’s established product platform.

The DNV Type Approval builds on the existing Guardian approval while incorporating Optimarin’s control system and selected components from the Protector portfolio. For operators, this means a different UV technology within the Optimarin range, while retaining a familiar control system and operating philosophy.

Lower power requirements are one of Guardian’s key advantages. Combined with its compact design, this gives shipyards, naval architects and vessel owners greater flexibility when planning machinery spaces and integrating the BWMS onboard. This is particularly valuable on vessels where both space and installed power are limited.

“The 60 m³/h system is especially exciting for us,” says Tonje Olafsen, VP Sales & Projects at Optimarin. “It opens up segments such as yachts and fishing vessels, where space and available power can be decisive. At the same time, Guardian gives us greater flexibility to find the right solution for each vessel rather than taking a one-size-fits-all approach.”

The Guardian range then extends through 300, 500, 1,000, 1,500 and 2,000 m³/h configurations up to 3,000 m³/h, giving Optimarin a complementary offering across a broad range of vessel types and operating profiles.