Tech File: X-Series Waterjets

Launched in 2018 to cater to the propulsion demands of high-speed vessel applications, Marine Jet Power’s (MJP) X-Series waterjets are engineered to deliver more power in a lighter unit that burns less fuel and extends range.

“With the X Series we have taken our proven highly efficient mixed flow pump technology from our DRB and CSU Series, and adopted it into a fully integrated, quick to install waterjet which is mostly constructed from duplex stainless steel,” said Jonas Tegström, CEO of Sweden-based MJP. “The DRB and CSU waterjets are highly customizable and very successful in various applications. But with the X-Series, we wanted to take the best performing pump on the market and provide our customers with a more 'off the shelf' and cost-effective waterjet that is much quicker to install.”

First introduced in 280, 310 and 350 X sizes (611-1,000 kW), the X-Series has recently expanded to include the new 400, 450 and 500 X sizes (up to 2070 kW / 2775 bhp).

“The three new sizes in the X-Series range are suitable for vessels up to 40 meters, or 131 feet, in length,” Tegström said. “Due to their duplex stainless steel construction and mixed-flow pump, the X-Series is not only highly efficient but highly durable. This equates to many benefits for a diverse range of marine applications including search and rescue vessels, fire boats and fast military craft globally.”

Additionally, Tegström said the new larger X-Series models are particularly well suited for the emerging global offshore wind market, which will see a large number of new vessels built in the U.S. and overseas. “MJP has a long history of supplying propulsion for crew transfer vessels servicing windfarms across Europe,” he said. “Our experience in this segment has influenced the design of the larger X Series models by creating a product that is easy to install, saving the shipyard time and money, and easy to maintain and operate, offering end-users a very low cost of ownership.”

According to the manufacturer, the 400, 450 and 500 X-Series models have been designed in compliance with full class approval with dual feedback sensors and a stainless-steel hydraulic tank. The jet models will be configured with MJP's JetMaster3 electronic control system, which under class rules come with a dual power supply, redundancy and back-up system. The fabricated intake has been developed for larger vessels, optimized through computational fluid dynamics (CFD) to offer both high-top speed and high thrust, MJP said.

MJP said other key X-Series features include a responsive nozzle with central fin, optimized reverse bucket, and a fully integrated hydraulic pump, resulting in a highly efficient waterjet that’s easy to install, operate and maintain.

The new X-Series sizes are available now and the first 400X unit will be delivered to an undisclosed customer in Asia next quarter.

Marine News Magazine, page 36,  Jul 2021

Read Tech File: X-Series Waterjets in Pdf, Flash or Html5 edition of July 2021 Marine News

Other stories from July 2021 issue

Content

Marine News

Marine News is the premier magazine of the North American Inland, coastal and Offshore workboat markets.