News

New certification for High-Velocity Valves: Safety and flexibility for the future og Methanol-Fuelled Vessels

As the maritime industry increasingly focuses on alternative fuels, our PV-ECO valves have received several important certifications, making them ideal for use with methanol, alcohol, ammonia, etc. These new certifications ensure that the valves are a safe choice for vessels utilising dual fuel technology, providing shipbuilders with greater flexibility and confidence in adopting these new…
From Congo to Greenland

November 2024 Incineration stands out as the most practical and efficient method for waste disposal, particularly in remote areas where transportation poses significant challenges. This approach ensures effective waste management when traditional logistics are not feasible due to distance, rugged terrain, or other constraints. Atlas Incinerators frequently provide tailored incineration solutions for clients operating on…
Understanding the long-term value of marine wastewater systems

As environmental regulations tighten and operational costs increase, shipowners need to make smarter investment decisions for their vessels. While the market for wastewater treatment systems is saturated with options that are initially less expensive, G&O Maritime offers a bioreactor system that provides significant operational advantages and long-term savings. This article explores the value propositions behind…
Training and Knowledge-Sharing at Hans Jensen Lubricators

NEWS Last week we had the pleasure of hosting a team from M.I.E. for two days of intensive and successful agent training, led by our Head of R&D, Nikolaj Kristensen. With updated knowledge and new tools, M.I.E. is now even better equipped to represent Hans Jensen Lubricators in both Cyprus and the UAE. It was…
Strengthening Customer Focus and Long-Term Value

NEWS We are pleased to introduce our new Key Account Manager (KAM), Andreas Bograd, who will be a central part of our strategy to strengthen and develop our customer relationships. As KAM, Andreas will serve as the customer’s primary point of contact with HJL, drawing on resources from across the organization to ensure the best…
Discover Why Atlas Incinerators is the Global Leader for Power Plant and Mining Waste Management

Atlas Incinerators has earned the trust of major power plant and mining operators worldwide as a pioneer in waste management solutions. Lars M. Lund-Jacobsen, Head of Sales, discusses the benefits of choosing Atlas Incinerators’ containerised and SKID-mounted solutions: “At Atlas Incinerators, we take our shared environmental responsibility seriously. Our incinerators are designed to significantly reduce…
A partnership for efficient marine engine cylinder lubrication and operational stability

The maritime industry is facing unpredictable engine performance as the transition to low-sulfur fuels and the trend toward slow steaming introduce unforeseen wear on critical components. Engines running at lower RPMs face unique challenges, further complicating the situation. The solution lies in advanced lubrication and monitoring systems, which provide precise control over cylinder and piston…
CEO on a green and digital mission

The world’s first methanol tank valve.The group’s six product families encompass propulsion, tank management, and water and waste management, all focusing on contributing to the maritime industry’s green transition, safety, and digitalization. In this interview in Søfart, G&O Maritime Group CEO, Anders Egehus shares more insights on the group and on the Pres-Vac Engineering valve,…
White Paper: THE DUAL-FUEL SOLUTION

Using methanol as a fuel comes with several safety and environmental challenges that require meticulous attention. In this White Paper, our team of technical experts examines the complexities of storing methanol on ships. Emphasising our dedication to safety and climate considerations, we address relevant questions and offer valuable insights into proposed solutions, particularly focusing on…
Danish Maritime Innovation

In the pursuit of a greener maritime industry, G&O Maritime Group has positioned itself as a leader with cutting-edge solutions designed for sustainability. Specializing in propulsion, tank, and water management, G&O offers a range of products that support the transition to alternative green fuels such as ammonia and methanol—fuels projected to shape the future of…
G&O Maritime Closer
G&O Maritime Group’s global expansion and green vision

Rich history in maritime solutions The following is a recap of this article published by Søfart. You may already be familiar with some of our flagship products—Pres-Vac valves, Hans Jensen Lubricators, Gertsen & Olufsen compensators, and Atlas Incinerators, to name a few. These products are known and trusted by maritime professionals worldwide for propulsion, tank…
Certification Highlights G&O Membrane Bioreactor Contribution to Cleaner Marine Environments

The Chilean authorities have recognized our Advanced Membrane Bioreactor with a certification, marking a significant advancement in the efforts to achieve cleaner oceans. This recognition not only confirms the effectiveness of our technology but also the importance of biological treatment methods in protecting the marine environment. “While traditional wastewater treatments have relied on chemical and…
STP Solupak recommendation

While our systems are designed to handle wastewater biologically without chemicals, unexpected fluctuations or contaminants can occur. We recommend STP Solupak, as this product acts as a safety net, proactively maintaining optimal conditions for the microbes in the bioreactors. For years, G & O Bioreactor has worked closely with GNC Marine. The products offer high performance…
See you at SMM!

One Group – Six leading brands showcasing in Hamburg. The overall purpose of G&O Maritime Group remains to make vessels greener and safer places to work. While we are a strong house of brands for niche suppliers of maritime equipment, each distinct brand unleashes its complete strength and potential on the platform that is the…
G&O Maritime Group Launches New Department for Enhanced Preventive Service and Proactive Maintenance Support

G&O Maritime Group has introduced a new department, Customer & Commercial Development, to provide market-leading maintenance support to its customers. This department aims to expand data-driven guidance in maintenance, dockings, and systematic service, and will soon expand across several of the group’s brands. The new initiative focuses on collecting and systematising data regarding customers’ vessels,…
Premium Exchange Concept: Enhancing Uptime through Tailored Services

“Our Compensator Exchange Concept consistently serves as the key to unlocking opportunities, even in the most demanding niche markets that may otherwise seem ‘closed’” Morten Kjæmpe, Head of Service & Technical Support says “the depth of our expertise allows us to consistently deliver high-quality services, regardless of task complexity. Credibility is vital for success, and…
Reducing CO2 emissions

ARTICLE Reducing CO2 emissions across operations is a clear goal for many businesses today. The climate is changing, and this is having significant and visible effects on nature, animal life and humanity. Although shipping is the most energy-efficient method for moving cargo over long distances, the sheer size of the industry means that marine vessels…
Danish marine bioreactor to reduce harmful waste in oceans

Handling wastewater on larger ships is becoming an increasing challenge due to tighter environmental legislation and customers’ growing demand for green solutions. Danish JD-Contractors, which operates several large ships, has experienced significant problems with their maritime purification systems. Bjarne Sørensen, Marine Superintendent at JD-Contractors, says: “On our ship CABLE ONE, we had two purification systems…
SERVICE LETTER: HJ Smartlube 4.0 – software update 24.05

RELEVANT TO: All users of HJ Smartlube June 2024 Software update 24.05 Update your cylinder lubrication system with the latest software for improved user experience and bug fixes. User experience We have optimized the back end of the system so users get immediate response using the HMI. The feed rate graph on the Home page…
Case: Fehmarnbelt Tunnel

The tunnel is expected to play a significant role in Europe’s future sustainable transport network by encouraging the shift of freight transport from road to rail and thereby providing an efficient alternative to road transport. At Gertsen & Olufsen Bioreactors, we are proud to be part of the Fehmarnbelt Tunnel project. Our water treatment plant,…
Dual-fuel shipbuilding advances through strict certification of methanol valves

Methanol plays an important role in the green transition, as do advanced vent and valve systems for methanol tanks. A series of high-velocity methanol valves produced in Denmark have now been certified for the first time. This offers shipbuilder greater flexibility when building dual-fuel systems with long vent-pipes. Valve systems are essential for controlling pressure…
Cylinder wear in two-stroke marine engines

Efficient cylinder lubrication does not eliminate the wear of liners and piston rings completely. The goal is to control the cylinder wear rate and keep it on a normal level and to prevent other harmful types of wear. Cylinder wear in two-stroke marine engines refers to the gradual deterioration of the inner surface of the…
Relocation of Group Headquarter

We’re moving to new headquarters in Copenhagen on May 1st We’re excited to announce G&O Martime Group’s relocation to a new, modern and attractive headquarters at Lundtoftegaardsvej 95 in Lyngby, Copenhagen. This move, set for May 1st, marks a milestone in our journey, offering us the opportunity to better support our growth and ambitions. The…
Tailored Solutions for the Chinese Maritime Market

The Chinese maritime industry is a dynamic sector characterized by growth, innovation, and a strong emphasis on sustainable fuels like methanol. At Pres-Vac Engineering, part of G&O Maritime Group, we offer flexible solutions to our customers in the Chinese market. Chinese shipyards excel at constructing ships to precise specifications while adapting to individual needs. Each…
Unlocking the Value of Genuine Spare Parts: Enhancing Product Longevity and Performance

Spare parts sales are a vital aspect of any business, and navigating the complexities associated with purchasing “gray market” parts is essential. Procuring genuine spare parts directly from Atlas Incinerators, Part of G&O Maritime Group, is critical and it impacts the durability and overall performance of products positively. Challenges with “Gray” Parts “Gray” parts refer…
Ensuring Safety and Compliance in Maritime Industry with High-Speed Valves

To safeguard crew, ship, and cargo to the fullest extent possible, regulations regarding these aspects are constantly discussed within the IMO, EU, and ISO. The EU is at the forefront of ratifying rules, currently utilizing ISO standards in addition to IMO rules for testing and approving high-speed valves. Rules from IMO, EU-MED, and USCG are…
Enhancing Environmental Sustainability: The Vital Role of Flue Gas Treatment in Land-Based Waste Incineration Plants

Land-based incineration plants play a pivotal role in managing municipal solid waste, converting it into energy while mitigating the environmental impact. Central to this process is the efficient management of emissions, particularly the treatment of flue gases that arise during incineration. Flue gas treatment in incineration plants is a critical component, employing sophisticated filter and…
Introduction to Wastewater Treatment Processes

In the marine industry, various wastewater treatment methods are employed, each tailored to specific vessel types, offshore facilities, or environmental regulations. Common techniques encompass physical processes like sedimentation and filtration, chemical treatments involving disinfection and coagulation, and natural sewage treatment methods and biological processes such as activated sludge treatment or membrane bioreactors. “G&O Bioreactors offer…
Addressing Vibrations – An Automotive Analogy

“Our success in the market is rooted in our strategic collaborations with major ship engine designers. By working closely with these industry leaders, we gain valuable insights into the evolving needs of the maritime sector. This collaboration allows us to anticipate market developments, tailor our solutions to specific requirements, and ensure that our components seamlessly…
White Paper: Pres-Vac venting valves for methanol storage

Utilizing Methanol as a fuel presents several challenges that necessitate careful attention to safety and climate concerns. In this White Paper, our team of technical experts delves into the details surrounding the storage of methanol aboard ships. We explore relevant questions and provide valuable insights into proposed solutions, underlining our commitment to prioritizing safety and…
SERVICE LETTER: HJ Smartlube 4.0 – software update

RELEVANT TO: All users of HJ Smartlube lubricators September 2023 Software update 23.07 Update your system with the latest software for improved user experience, better system overview and added log-in security. Improved usability and system overview We have made several improvements to the user interface and features of our most advanced lubrication system, HJ Smartlube…
Job: Industritekniker

HADSUND Er du kvalitetsbevidst og ønsker at være med til at skabe produkter i den absolutte verdensklasse, mens du samtidig bidrager til den grønne omstilling, så er dette en unik mulighed. Brænder du for programmering og opstilling af CNC-maskiner og vil du være en del af den maritime branche og arbejde i en spændende og…
BLOG-POST:5 facts about advanced cylinder lubrication technology

1. What is the purpose of lubrication technology for marine engines? Lubrication technology for marine vessels involves the use of advanced lubrication systems to reduce friction between cylinder liner and piston rings by forming a thin and even oil film. Furthermore, lubrication prevents wear of liner and piston rings, neutralizes sulphuric acids, keeps the piston,…
BLOG-POST: Reduce the risk of scuffing in cylinder liners

Scuffing in cylinder liners is a serious risk for marine vessels that might lead to costly engine repairs and prolonged downtime. By understanding the causes, you can take preventive measures to reduce the risk of scuffing and ensure optimal engine performance, reliability, and longevity. With the right knowledge and precautions, you can protect your engine…
BLOG-POST: Keep your two-stroke marine engine running efficiently

The maritime industry relies heavily on two-stroke marine engines to power the vessels. These engines are highly efficient. However, they require proper lubrication to function at their best. Lubrication is an essential component of any engine, and it is especially critical for two-stroke marine engines. The right lubricant and lubrication system help to reduce friction,…
BLOG-POST: Improve cylinder condition through effective lubrication

Cylinder condition is a critical factor that affects the performance and longevity of marine engines. Proper lubrication is essential to ensure optimal cylinder condition and prevent wear and damage. In this blog post, you can learn more about the importance of cylinder condition monitoring and how much cylinder wear is acceptable. Cylinder condition monitoring Cylinder…
BLOG-POST: Reduce lube oil consumption and emissions

Marine vessels rely on lubricating oil to keep their engines running smoothly and efficiently. However, excessive lube oil consumption can lead to increased costs, decreased efficiency, and higher emissions. At Hans Jensen Lubricators, we understand the fine balance between reducing lube oil consumption while maintaining optimal engine performance. By reducing emissions and lube oil consumption,…
The importance of biological water treatment

The process of biological water treatment The process of biological water treatment involves several stages. Why use biological waste water treatment? Biological treatment of waste water is an effective and efficient way to remove contaminants from water. It is also a relatively low-cost and environmentally friendly process, as it relies on natural biological processes rather…
Pres-Vac Visits Silicone Valley

Last week, our Pres-Vac representative Sofia Grave flew out to Silicone Valley, U. S. A., with those same students and representatives. Under the headline ‘Green Maritime Entrepreneurs’, the DTU and Danish maritime industry delegates explored the cross-field of innovation, digitalization, data-driven technology, and entrepreneurship in Silicon Valley.
SERVICE LETTER: Succeed with SIP

The purpose of this Service Letter is to guide the user in optimizing the cylinder oil feed rate, so the full saving potential and better cylinder condition made possible by the Hans Jensen’s Swirl Injection Principle (HJ SIP) valves
Pres-Vac Engineering celebrating 70th anniversary

Pres-Vac Engineering celebrating 70th anniversary
SERVICE LETTER: HJ X-Tronic software

The main purpose of this update is to improve the support of your Hans Jensen lubrication system by introducing a log and to boost the user experience using graphs. Additionally, we have added flexible scheduling of the ACS feature and renewed passwords for improved login security.
SERVICE LETTER: Changing to HJ Non-return valves

This Service Letter describes the benefits of the HJ non-return injection valves compared to standard non-return injection valve. With HJ non-return injection valves optimum design and quality is ensured.
SERVICE INFORMATION: Lacquering

Lacquering occurs on areas of the cylinder wall, which at a previous point has been exposed to additional corrosive wear causing the area to be slightly retracted from the running surface which is in contact with the piston rings. Read more here.
Case: How a G&O Vibration Compensator can affect your vessel

Case: Retrofitting a compensator to the Marinvest fleet, with astounding results
BLOG-POST: Minimizing lubrication feed rate: 3 reasons why less is more

In the world of marine vessels, flexible cylinder lubrication is essential for ensuring the longevity and efficiency of the engine. However, excessive lubrication can lead to a range of problems, subsequently increasing maintenance costs, lower performance, and environmental concerns. That’s why it’s important to pay attention to lubrication feed rate, and take steps to minimize…
Case: A2SEA Challenger, helping a customer with a fast solution to their problem

Case: A2SEA Challenger, helping a customer with a fast solution to their problem
EEXI challenges cylinder condition

There is a clear connection between low load operations and an increased risk of deteriorated cylinder condition. Our engineers see a hidden risk inside the engine.
Case Costamare: Face-off between HJL and standard lubricators

A joint test with MAN Diesel & Turbo (MDT) and Hans Jensen Lubricators determines the effectiveness of HJ Lubtronic SIP on a super-long stroke engine. 9S90ME-C
NEWS: HJL joins G&O Maritime Group

Hans Jensen Lubricators has joined G&O Maritime Group to strenghten further development and growth.
Greater flexibility in cylinder lubrication

The shipping industry’s ambitions for reducing CO2 emission are likely to follow several technological pathways, so a more flexible and modular lubrication system is now available, says Dr Rathesan Ravendran.
LP Fleet owner

Fleet owners can optimize OPEX and prepare for green fuels by using Hans Jensen lubricators.
Case aet: Reducing feed rate by 32%

The marine vessel Eagle Varna was experiencing a high feed rate of the cylinder lube oil. Hans Jensen installed HJ SIP valves on MAN Alpha, which resulted in a significant reduction of cylinder lube oil consumption. 7S80MC-C
Case Hafnia: TRIPLING LINER LIFE TIME

Hafnia, member of BW Group, upgraded the engine’s cylinder lubrication system onboard their Medium Range Product Tanker, “BW Egret” (6S50ME-B) in January of 2020. The lubrication system was upgraded, as the liners had a wear rate that exceeded the maximum allowable limit.
A milestone for the X10 Titan

Another milestone reached as the X10 TITAN is the most environmentally friendly marine incinerator on the market today
Signed a new agent

Atlas is proud to share our newest Agent, Delta Marine Technik, who will help us work closely to ship owners and their operations.
LP Technical Managers

50 % AVG. REDUCTION OF CLOC USD 50,000 AVG. ANNUAL SAVINGS PER VESSEL 12-24 MO. AVG. RETURN ON INVESTMENT GROW YOUR SERVICE BUSINESS Cylinder lubricaton for every engine Hans Jensen Lubricators is the leading provider of cylinder lubrication systems for 2-stroke marine engines. We’re the only supplier of cylinder lubricators to both MAN, J-Eng (MHI)…
Case: K Line slices feed rate by 55%

”K” Line Bulk Shipping chose Hans Jensen Lubricator’s solutions for 10 sister vessels and reduced lube oil consumption by 55%
Case: G&O Bioreactor Split Unit

Customisation of our state-of-the-art split unit bioreactors is a task G&O rises to.
Duplex stainless steel

Pres-Vac is ready to deliver the first of a series of ship set high-velocity pressure vacuum valves.
The Pres-Vac Promise

Our promise to you, and to the greater maritime industry.
First X10 Titan order

Within a few months of the X10 TITAN launch, the market has responded well.
Pres-Vac Vaccum-M Valve

Pres-Vac Vacuum M Valves, upgraded to the challenges of today
NEWS: Successful business 2020

Tuesday Oct. 6. 2020 Hans Jensen Lubricators A/S has received an award for most successfull business 2020. The award is given to companies with impressive financial results and high growth, year after year. The business award, which Spar Nord and BDO have established in 2019, pays tribute to the elite of small and medium-sized companies…
A game changer: The X10 Titan

The new X10 TITAN range from Atlas Incinerators will save shipowners and shipyards money whilst reducing their environmental footprint.
Technical white paper upgrade of HS-ISO with Resilient Seal

Upgrade you pressure valves with the new HS-ISO resilient seal.
SERVICE LETTER: Recovery of marine pc showing a blue screen

NOVEMBER 2019 This service letter contains information about HJ Marine PC running Windows 10. The purpose of this Service Letter is to help customers who are experiencing problems with their marine pc. Please contact our After Sales department for further information and scheduling a visit by our engineer. T: +45 9857 1911 E: technicalsupportPLEASE GO…
Air Vent Head – A tough life on deck

Life on deck is tough, and thats why our air vents surpass regulations to suit the harshest weather
SERVICE LETTER: Feed rate adjustment after installing HJ SIP valves

OCTOBER 2016 Relevant for users of HJ SIP valves The purpose of this Service Letter is to guide the user in optimizing the cylinder oil feed rate, so the full saving potential and better cylinder condition made possible by the Hans Jensen’s Swirl Injection Principle (HJ SIP) valves can be realized. Please contact our After…
SERVICE LETTER: E-mailing files til HJL

MARCH 2016 The following guide is designed to help you find and e-mail the different files needed to assist in debugging and troubleshooting. Please contact our After Sales department for further information and scheduling a visit by our engineer. T: +45 9857 1911 E: technicalsupportPLEASE GO AWAY!@PLEASE GO AWAY!hjlubri.dk E-mailing files til HJL The mentioned…
G&O Bioreactor for Indian Research Station in South Pole

A complete biological sewage treatment plant to be used under the most extreme conditions, made in a simple standard container; that was the task ‘India’s National Center for Antarctica and Maritime Research’ gave us. In November 2014 the plant was completed and shipped to NCAOR’s permanent research station in Antarctica via Cape Town, South Africa.
SERVICE LETTER: Feed rate adjustment after installing HJ Non-Return valves

MAY 2015 Relevant for HJ Non-Return valve users Feed rate adjustment The purpose of this Service Letter is to guide the user in optimizing the cylinder oil feed rate, so the full saving potential and better cylinder condition made possible by the Hans Jensen’s Non-Return valves can be realized. Please contact our After Sales department…
Clean Sailing: From Black Water to Clean Water

‘Clean Sailing’ wrote about Lauritzen Kosan new-buildings fitted with next-generation biological sewage treatment plants.