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Lightweight Equipment News

05 Jun 2023

Hydrex Conducts Underwater Stern Tube Seal Repair in Algeciras

Hydrex diver/technician taking shaft weardown reading.

Last month, a Hydrex diver team carried out an underwater stern tube seal repair on a ro-ro ship berthed in Algeciras, Spain.The ship was suffering from an oil leak, making an on-site repair necessary. Using a Hydrex flexible mobdock, the team was able to carry out the entire operation on-site and underwater, saving the owner an expensive and time-consuming trip to drydock.Once the operation was approved, all preparations were handled swiftly and the lightweight equipment was…

01 Feb 2018

Underwater Seal Repairs Avoid Drydock and Off-Fire Costs

Photo: Hydrex

Following a spate of stern tube seal failures, Antwerp-based Hydrex has reiterated its capability in carrying out repairs to stern tube seals during a ship’s routine port visit, saving the expense and loss of revenue of unscheduled drydocking. Stern tube seals can suffer undue wear or damage due to a variety of causes, causing water ingress and oil leaks. With ever-tightening environmental regulations resulting in heavy penalties for oil pollution, rapid and timely repairs are essential.

24 Sep 2015

Umoe Mandal Places Order with DuroWipers

Photo: DuroWipers

Norwegian operator Umoe Mandal has purchased six External Panorama Pantograph heavy duty windscreen wipers from U.K. based DuroWipers to equip a newbuild Surface Effect Ship (SES). Statkraft has entered into an initial six month charter agreement for the new WaveCraft vessel to transport its O&M turbine technicians to and from the Sheringham Shoal offshore windfarm off the coast of Norfolk. Ole Guttorm Ihme, contract manager, Umoe Mandal, said, “DuroWipers were selected based on their weight, price and quality.

21 May 2013

Mobdock Facilitates Onsite Underwater Ship Repair

In February, Hydrex diver/technician teams carried out underwater stern tube seal repairs on a 139-meter container vessel in Port Everglades, Fla., close to the company’s office in Clearwater. The vessel was suffering from an oil leak, making a fast repair necessary. Using one of the company’s next generation flexible mobdocks the team was able to carry out the entire operation onsite and underwater, saving time and money for the owners. Hydrex said it constantly invests in the research necessary to continue to evolve repair techniques and procedures.

26 Feb 2013

Hydrex Performs Underwater Stern Tube Seal Repairs in US and Panama

Photo: Hydrex

Recently Hydrex diver/technician teams carried out two underwater stern tube seal repairs: one on a 143-meter general cargo ship in Galveston, Texas, and one on a 292-meter container vessel in Panama. Both vessels were experiencing oil leaks and a fast repair was required by the classification societies. Using the company’s flexible mobdocks, Hydrex teams were able to perform both operations on-site and underwater. This saved time and money for both owners. Hydrex has carried out on-site, underwater repairs and replacements on all types of seals for a number of years.

07 Sep 1999

Weight Saving Features for Maritime Dynamics Ride Control System

With faster speeds and lighter hulls, ship builders and owners require lightweight equipment. Maritime Dynamics will be incorporating weigh saving features into its ride control system to address this challenge. The first measure has been to design the ride control hydraulics system to operate other onboard equipment. Maritime Dynamics offers hydraulic packs, which, in addition to the ride control system, operate the propulsion waterjet steering, and reversing system. During docking maneuvers, the power packs can operate car ramps, capstans and anchor winches. This summer, Maritime Dynamics will install its first commercial computer-based ride control system with an embedded Microsoft Windows operating system.