Dredge Ball Joints by Dredge Yard

Dredge Yard manufactures and supplies dredgers and dredging components. We have specialized in dredge ball joints since the introduction of Dredge Yard almost ten years ago. Back then, we introduced a new dredge ball joint design, which has been proven and trusted by clients all around the world.

Dredge ball joint casing

Dredge ball joint casing in Dredge Yard facility

Our dredge component manufacturing process takes place in the Republic of Turkey. The process includes casting and heat treatment of all components, followed by machining to the finest tolerances. Finally, thorough testing takes place to ensure long component life. Take a look at our dredge ball joint specifications here!

Dredge ball joint testing

We always conduct heavy duty functional tests on all components, in order to ensure dredging equipment of the highest quality. One of such tests is called the dynamic dredge ball joint test. During the dynamic test, dredge ball joints are tested at a pressure, which is above the required design operating pressure. Additionally, while the ball joint is pressurized, a hydraulic cylinder applies a movement of the ball joint. This is done to simulate the working conditions in the dredge field at the most severe conditions. Severe conditions can include strong currents and waves, maximum dredge pipe length and highest pressure that the dredger can achieve. Therefore, the dynamic test is done to ensure component durability under all circumstances.

Dredge ball joint dynamic test

Dredge ball joint dynamic test

Over the years, Dredge Yard has made its name as one of the leading suppliers of dredge ball joints world wide. We have supplied dredge ball joints of varying sizes and quantities worldwide. One of our projects included the delivery of 50 dredge ball joints to the United Arab Emirates. These ball joints were suitable for a pipe with internal diameter of 750mm and discharge pressure of 30 bar. Therefore, during testing, these ball joints were pressurized to over 30 bar, in order to ensure that they can withstand maximum forces.

Dynamic test video

Take a look at a brief insights of our dredge ball joint dynamic test below:

Following the thorough manufacturing, testing and delivery process, our service team will follow up with the client for continuous monitoring of dredger and component performance and provide  support as necessary. Therefore, you can be sure to receive products and services of the highest quality.

In the media

What do others say about our dredge ball joints? Take a look at some articles by Dredging Today, International Dredging Review magazine or the Dutch Water Sector.

If you are interested and would like to know more, do not hesitate to contact us! We will get back to you within 24 hours.

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Dredge Yard highlights of 2019

As the year is coming to an end, we are looking over 2019 highlights at Dredge Yard. 2019 was a busy year – with new innovations taking shape, significant orders for dredging components and dredgers, as well as a big milestone – moving to new headquarters in Rotterdam with a whole new facility for building dredgers.

Dredger deliveries

Throughout 2019, we have been working on both – standard dredger deliveries, as well as highly customized, or completely newly designed dredgers for specific applications. Keep reading for a brief overview of our dredging equipment projects!

Auger Dredger ECO 200 to Hungary

In the first quarter of 2019, our Auger dredger ECO 200 from stock was ordered by a client in Hungary. We tested the dredger during multiple testing sessions, and organized an inspection with the Dutch company NBKB in order to receive a certificate of registration.

Auger Dredger ECO 200, Hungary 2019

Auger Dredger ECO 200, Hungary 2019

Since then, the dredger had already finished dredging a lake in Hungary and is going to be used on a new project within the country.

Electric driven cutter dredger for Canada

In the second quarter, Dredge Yard received an order for an electric driven cutter suction dredger for potash mining in Canada. This was a special project for Dredge Yard, as the CSD was completely newly designed and customized. The aim was to create an economically and environmentally responsible solution specifically tailored for this project.

Cutter suction dredger drawing - standard and customized

Cutter suction dredger drawing – standard and customized

The dredger will be delivered in the first quarter of 2020. Learn more about our CSD for Canada here.

Standard Cutter dredger for Sri Lanka

Our standard Cutter Suction dredger ECO 300 was ordered for a very special, governmental project in the Beira lake, Sri Lanka. The Beira lake has become the center of Colombo’s residential, industrial, commercial, tourism and religious activities. Therefore, it is a vital water body. We were very proud to design and build a dredger that will help to improve the water quality and the surrounding environment.

Find more details about the Cutter dredger ECO 300 for Sri Lanka here.

Newly designed cutter dredger for hard soil dredging

Another dredger was specifically designed for our client CDC Dredging in Dubai. The dredger was customized in order to achieve compact design that is capable of dredging even the hardest soil. This was a challenging project due to a completely new dredger design under strict deadline of 3 months from order date to delivery. Some of the dredger customization includes increased dredging power, depth and a special cutter head. Learn more about the customized cutter dredger for Dubai here.

Customized cutter suction dredger ECO 300

Customized cutter suction dredger ECO 300

Dredging components

Aside from customized and standard dredgers, we have also supplied a number of dredging components all around the world throughout 2019. Some of these include dredge valves for a capital dredging project, 50 dredge ball joints to the Middle East and dredge valves of 800mm internal diameter.

dredging components by dredge yard

dredging components by dredge yard

Innovations

During 2019, our team had also focused on new innovations. These include further development of the eco-friendly, Adaptive Auger Head, as well as newly designed foldable pontoon design on our Auger ECO 200.

Foldable pontoon dredger

In the first quarter of 2019, Dredge Yard had introduced its foldable pontoon dredger. To this day, Auger ECO 200 is the only foldable pontoon dredger in the market. Foldable pontoons allow for dredger transport in a single container, completely assembled. This form of transportation is readily available worldwide, it is cheaper than other forms of transport, and it allows to deliver dredgers even to remote locations.

Dredger ECO 200 Foldable pontoon design

Dredger ECO 200 Foldable pontoon design

Additionally, transporting a dredger completely assembled  eliminates the need of a larger, trained team for dredger assembly and launch.

New Dredge Yard headquarters and facility

One of the most significant highlights for our team this year was moving to new headquarters and opening our own facility in Rotterdam. We have also expanded our team and already built our first dredgers here in the new facility.

Dredge Yard headquarters Rotterdam

Dredge Yard headquarters Rotterdam

The new year 2020 marks the beginning of a new decade. Accordingly, we have big plans for 2020 including further expansion of our team, many new projects and innovations to reveal!

Are you looking for dredging equipment for an upcoming dredging project? Get in touch with our team, and receive the best offer for our standard or customized dredgers.

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Electric Cutter Dredger for Canada

Dredge Yard has received an order for a customized Cutter Suction Dredger from Western Potash Corp. (WPC)- a development stage potash company based in Canada. The customized dredger will be used in WPC’s Milestone Potash Project for dredging potash.

WPC confirmed that Dredge Yard was chosen to deliver this dredger, because it has “both the industrial experience in potash and right equipment offerings, and during the entire negotiation process were very quick with communications and responsive to client requests.” (Dr. Matthew Wood, Vice President Technology, WPC).

Customized dredger design

When designing a dredger for WPC, special attention was paid to achieve a solution that would be as ecologically and economically responsible as possible. Therefore, this ECO dredger features customization to optimize its efficiency for this project. An example of this is its four electric motors. Each motor drives a different component, allowing for optimal power use and high efficiency dredging that doesn’t waste any power. This is an approach, which is advantageous for both – budget and the environment.

In addition to optimal efficiency, the electric motor drives are used instead of a diesel engine. As a result, air pollution and the risk of fuel spillage during operation is eliminated. An electric driven dredger is also much quieter than a diesel model. This reduces noise pollution in the surrounding environment. Finally, the electric motors are cleaner and easily maintained compared to combustion engines. All these factors contribute to an ecologically and socially responsible dredging approach.

As this dredger is intended solely for dredging potash, it was completely redesigned for optimal performance for this project. According to project engineer at Dredge Yard, Antonis Saliaris, “no two dredging projects are the same. Customized solutions help to achieve the best dredging performance under the specific project conditions.”.

Customized cutter dredger for WPC

Customized cutter dredger technical drawing

Dr. Wood said that the customized dredger design was evaluated by WPC and SNC-Lavalin, concluding that:

This model was the right balance of industrial quality, with an efficient CAPEX, low operating cost and good environmental credentials.”

The dredger is in the process of being built in Dredge Yard’s facility in Rotterdam, Netherlands. It will be tested and be delivered in early 2020.

About WPC Milestone Potash Project

The dredger will be used in WPC Milestone Potash Project Phase 1 Plant. More specifically, it will be placed in the Crystallization Pond (pictured below) and dredge potash from the pond. The dredged potash will then be sent for further processing, drying and compaction.

Crystalization pond, Western Potash Corp.

Crystallization pond, Western Potash Corp. photo

The environmentally conscious WPC Milestone Potash Project focuses on an innovative, horizontal mining method, which does not bring salt to the surface or produce a tailings pile. Additionally, this method reduces the amount of water in comparison to traditional solution mining, uses recycled water whenever possible, and strives to be as energy efficient as possible. Therefore, the ECO dredger is an ideal partner for this project.

Find our other dredging projects here, or get in touch to discuss your project!

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Cutter Suction Dredger ECO 300 for Sri Lanka

Rotterdam, Netherlands – Dredge Yard and its sole agent in Sri Lanka, Hoavel Holdings, have won an order for a standard Cutter Suction Dredger ECO 300. CSD ECO 300 will be used by Sri Lanka Land Development Corporation (SLLDC) for a governmental project of cleaning the Beira Lake in Colombo, Sri Lanka. Representative of Hovael Holdings confirmed that Dredge Yard was chosen to deliver this dredger, because “SLLDC tender technical specifications were successfully complied with the ECO 300”.

Dredging project

Beira Lake is a man-made shallow body of water located in the city centre of Colombo, Sri Lanka. Due to its central location, the Beira Lake has become vital for a variety of residential, industrial, commercial, tourism and religious activities.

Beira Lake, Sri Lanka

Beira Lake, Colombo, Sri Lanka (photo by David Stanley)

Problem/case

Due to its central location and use for a range of activities, the Beira Lake also suffers from pollution. For example, the lake is exposed to hard detergents and pollutants from hotels and hospitals either directly or indirectly connected to the lake. In addition to this, in certain areas, the sewer lines are illegally connected to the storm water lines, which causes waste water to enter the lake.

According to SLLDC, waste water and pollutants accumulate over time, which has resulted in poor water quality for the last three decades. Water pollution negatively affects both – the surrounding environment, and the lake ecosystem. Representatives at SLLDC added that this is “especially relevant during the dry season, where lower fresh water in flux and higher temperatures cause increased bioactivity in the lake, resulting in algal blooms, fish kills and bad odour around the lake”.

Dredging areas in Beira Lake

Dredging areas in Beira Lake

Dredging

The main purpose of Beira Lake dredging is to improve the water quality by removing accumulated waste water and pollutants. This will restore a healthy environment in and around the lake. In addition to this, the lake will also be deepened to improve access and navigation for boats, to maintain the efficiency of commercial activities.

We are proud to provide a tool for the maintenance of such an important water body in Sri Lanka. Cutter dredger ECO 300 will help to improve the water quality and environment, as well as contribute to Sri Lanka’s successful commercial and industrial activities” says Basel Yousef, Chief Executive Officer, Dredge Yard.

Cutter Suction Dredger ECO 300 specifications and delivery

Dredge Yard’s standard Cutter Suction dredger ECO 300 model was supplied with additional features according to the requirements of SLLDC. Yet, the standard, shallow draft CSD ECO 300 model is an ideal tool for Beira Lake dredging, which has an average water depth of 2 meters. Furthermore, its compact design will allow easy transportation to the centre of Colombo.

Cutter Dredger Features Diagram

Cutter Suction Dredger Features

The dredger will be assembled and tested in Dredge Yard facility in Rotterdam, Netherlands. In addition to the dredger, the order includes 15 saddle type hose floats and a 100 meter HDPE pipe. Finally, Dredge Yard will provide 10 days of training to three Hovael engineers in dredger ECO 300 assembly, operation and maintenance in Rotterdam, Netherlands.

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Cutter Suction Dredger ECO 300 for Dubai

We are proud that CDC Dredging L.L.C. has awarded a contract for the design and delivery of a customized Cutter Suction dredger ECO 300 to Dredge Yard. CDC Dredging is a dredging company based in the United Arab Emirates and mainly operating in the Gulf Cooperation Council (GCC). The company purchased a new cutter dredger in order to participate in challenging projects involving hard soil.

Cutter Dredger with Customized design

Typically, dredging hard materials requires powerful, large and heavy dredging equipment. However, our client specified a request for a powerful, but easily transportable and compact cutter dredger design. As a result, we will customize our dismountable cutter suction dredger ECO 300 to meet the client’s needs for additional cutting power.

Cutter Suction ECO 300 Customized

Cutter Suction ECO 300 Customized

We are planning to use this unique, newly designed and built, dismountable dredger with 120 kW cutter power to execute all challenging projects with hard soil, in locations where big dredgers, with similar power, could not reach, or could not be financially suitable to execute such projects” says Dr. Samer Kelani, Chief Executive Officer, CDC Dredging L.L.C.

Extra cutting power

Our Cutter Suction ECO 300 is a shallow draft dredger transportable by truck. Besides these features, we will customize the dredger with increased total installed power (Caterpillar C18 engine in place of the standard C13). We will also mount a hydraulic, rotary drum cutter head supplied by a collaborating company from Germany. Finally, we will extend the cutter dredger ECO 300 standard dredging depth of 6m to 12m for canal deepening projects. Our team created this customized design according to client requirements for extra powerful cutting performance. However, you can take a look at our standard cutter suction dredger ECO 300 specifications here.

Dredger assembly and testing in Dubai

Upon our client’s request, we will assemble and functionally test the dredger in our facility in Dubai. This will make the entire process easily accessible to the client. Furthermore, it allows for more convenient, quicker transport to the destination in UAE, when the dredger is finished.

Customized Cutter Suction Dredger 300 diagram

Customized Cutter Suction Dredger 300 diagram

Agility and flexibility

According to Dr. Kelani, they chose Dredge Yard to deliver this dredger, because it is an “agile company, able to answer all our needs, providing adapted designs and drawings to comply with our requirements for manufacturing a customized dredger, using innovative equipment”. Accordingly, while the dredger was ordered in August, it will be delivered within three months, despite its custom design.

“At Dredge Yard, we have standard engineering projects, but always adapt it to the wishes of the customer. We are proud that CDC Dredging chose Dredge Yard for this project and look forward to work with, and support them throughout the entire process, as well as after the delivery” says Basel Yousef, Chief Executive Officer, Dredge Yard.

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Dredge valves for capital dredging project in GCC

One of our most recent running projects involves manufacturing and delivery of dredge valves. More specifically, dredge valves of 850 mm internal diameter and working pressure of 20 bar.

The 60 valves and 15 hydraulic power units (HPUs) are ordered by a client in the Gulf Cooperation Council (GCC). The ordered components will be used on board the client’s new vessels, which are intended for capital dredging – creation of new artificial islands. In this project, our supplied valves will be used to divert discharge flow from one location to another.

Due to demanding work function and exposure to abrasive slurry materials, dredge gate valves are highly sophisticated components. Therefore, we select the most robust material and high pressure handling capability to ensure proper function and long component life.

The first batch of the order are to be delivered in the third quarter of 2019.

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Dredge Yard is relocating to better accommodate its clients

Dredge Yard is expanding its business and will relocate to new headquarters and assembly hall to better accommodate its clients.

We are excited to announce that we are relocating to our new headquarters and assembly hall by August 1st, 2019. Our new office is located in Rotterdam South, Netherlands at the following address:

Brielselaan 69, 3081 AA Rotterdam, Netherlands

In the wake of new product development and team expansion in 2019, we are relocating closer to the industry of shipbuilding and dredging. Our new headquarters overlook the river Maas, and offer a glimpse of constant shipping traffic in and out of the largest port in Europe here in Rotterdam.

Dredge Yard New Headquarters

Dredge Yard New Headquarters

Business expansion in Rotterdam

This relocation marks a significant step in the company’s development. Aside from bringing Dredge Yard closer to its industry, the new headquarters will also house a big facility for product development and assembly.

Dredge Yard will now assemble, test and supply all equipment from its Rotterdam facility.

Therefore, we will now assemble, test and supply all equipment from our own Rotterdam facility. This will allow for even better control of assembly process, quality control and quick, reliable product testing right outside the office windows.

Closer to our clients

The modern headquarters are located in Rotterdam South, just 4 kilometres from the city centre. This location will offer our clients easy access to the facility. We will now provide the possibility to take a look at assembly process, newest developments, and equipment in stock.

Shorter lead times, due to assembly and testing taking place from its central office.

Furthermore, this change will allow us to offer shorter lead times, as assembly and testing of products will take place at our central location. Finally, equipment transport will be more convenient, quicker and cheaper for the EU clients.

Map route from old to new headquarters of Dredge Yard

Route from old to new headquarters of Dredge Yard (4.8km distance)

Dredge Yard’s relocation marks a change in company’s organizational structure compared to the previous office by Rotterdam central station without an assembly hall. Yet, the two locations are only 4.8 kilometres and less than 20 minute drive apart. Dredge Yard’s new location is still conveniently central and easy to reach by public transport or car.

DredgeYard future at the new headquarters

In the near future, Dredge Yard’s projects include assembly and delivery of running projects from the new facility. Additionally, new ECO dredgers will be built in stock in the new facility to accommodate other clients.

Dredge Yard specializes in small to medium sized dredgers for small dredging projects, such as reoccurring maintenance dredging. More information and specifications of Dredge Yard’s equipment can be found here: https://dredgeyard.com/dredgers/.

If you would like more information or have any question, do not hesitate to get in touch.

Contact Dredge Yard

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Dredge Yard at Flood and Coast Exhibition & Conference in the UK

At Dredge Yard, we constantly seek new and innovative ideas. Therefore, we will be attending the upcoming Flood & Coast Conference at Telford International Center, UK from 18th-20th of June 2019. The conference focuses on “Risk, Resilience & Response in a Changing Climate”. The event gathers professionals from the Environment Agency, local authorities, water companies, research academics and more. We are looking forward to discuss climate change, flood resilience & working with the natural environment. This helps us in our mission to work towards even more eco-friendly and efficient dredging solutions that can to improve the environment and our standard of living.

Dredging as flood prevention

Due to constant environmental and societal developments such as climate change, population growth and pollution, dredging is becoming an increasingly important protective process. For example, between 1995 and 2015, flooding accounted for 47% of all weather disasters, affecting 2.3 billion people (UNISDR). Dredging can be an effective form of flood prevention, especially when it occurs due to gathered sediments and debris.

maintenance dredging diagram

Due to natural weathering and erosion, sand, silt and debris are constantly washed downstream. Sediments gradually fill up rivers, channels or canals making them very shallow and creating blockage. As a result, waterways become inaccessible to ships. Furthermore, blockage can cause water to flow over the river banks, flooding the surrounding area. Therefore, shallow waters can have major impacts on local businesses and even become a safety hazard to the surrounding residents and wildlife.

While dredging can be an effective tool in flood prevention, it is important to continuously develop existing dredging solutions for improved efficiency and the least environmental disturbance.

Innovative solutions to climate change

Flood & Coast conference this June will explore themes such as “How do we ensure our shared ambitions match the scale of the challenge and create climate resilient places for
people to live, work and play in? What is the latest evidence saying?” and “The practical action we can take now to create the skills, tools and technologies to revolutionise our preparedness
and awareness and to inspire action in the way we communicate risk, work with others and respond to incidents”.

Flood & Coast 2019 Conference

We look forward to discuss these themes and adapt the acquired insights to our future technology developments.

Are you attending the event? Reach out and meet us for a chat about our efforts in eco-friendly dredging equipment development.

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Dredging Safety Checklist

Dredge Yard continuously investigates and develops dredging equipment that is reliable, durable and eco-friendly. We strive to reduce environmental footprint and increase efficiency to achieve high quality equipment at the lowest cost for the client and the environment.

However, dredging operations can also be risky for people involved. This is especially true for dredger operators, service and maintenance employees. The risks are raised by a variety of factors. For example, exposure to rough weather conditions and heavy machinery. Nevertheless, high safety standards, dedicated crew training and reliable equipment can ensure dredging safety for both – the environment and people involved.

What is safety in dredging?

When safety is discussed in the context of dredging, it can include multiple aspects. Namely, health and safety of people involved, dredger quality, and finally, protection of the environment. Fortunately, the importance of all safety aspects is receiving increasingly more attention in the dredging industry. Currently, most dredging equipment is developed with safety and sustainability in mind. We at Dredge Yard, also have a vision of a dredging industry, which offers a safe, healthy and accident-free work place. Therefore, we promote safety awareness and create possibilities for safer dredging work through our equipment.

Maintaining high safety standards and strict procedures on-board dredger vessels is vital. Whether it is during testing or dredging operation, safety procedures contribute to an accident-free workplace. There are safety measures that have become a standard across many industries. An example of this is Personal Protective Equipment (PPE). PPE describes equipment such as high visibility vests, safety glasses and other work wear. While it is a simple principle, PPE has become a crucial part of safety at work. Its introduction led to an extensive decrease in accidents on work sites. In addition to PPE, safety standards can be assessed through a variety of different codes and conventions such as International Organization for Standards (ISO), OHSAS or ISM.

 

Dredger engine

Operators on board an Auger ECO 200 wearing PPE

Compliance with safety standards has become a high priority for all those involved in the dredging industry. IADC knowledge centre provides a thorough insight and explanations about the different standardization codes and conventions.

Safety standards

A large part of safety standards must be followed and implemented during dredging operation itself. Yet, there are factors starting at dredger design, engineering and manufacturing, which can contribute to dredging operation safety.

Dregde Yard's Auger Dredger Inspection

Dregde Yard’s Auger Dredger Inspection

At Dredge Yard “we want to involve our customers and suppliers in all our activities from the very early stage of the projects. We do this to ensure timely delivery, cost-effective production, low maintenance, low operation cost and high reliability of the products. Our customers are encouraged to witness any test in our production facilities.” (Basel Yousef, Chief Executive Officer, Dredge Yard).

“Our customers are encouraged to witness any test in our production facilities” (Basel Yousef, Chief Executive Officer, Dredge Yard)

Aside from the mentioned advantages, client involvement from the early stages allows our team to gain detailed insights to the client’s project. In this way, our team can identify and advice on project needs, that the client may not be aware of themselves at that point. As an example, this can include specialized safety features, such as an adaptive auger head design rather than a standard auger solution.

Dredge water ball joint

Dredge ball joint testing

Dredge Yard’s safety initiatives

In addition to close client relationships, we strive to contribute to safe dredger operations in a variety of ways, some of which are overviewed below.

  • We follow strict ISO and ASTM standards, as well as execute a variety of quality tests in multiple iterations.
  • We manufacture small, economic dredgers. Therefore, most of our dredgers are easily transported in a single, standard 40” container or on a flatbed truck. In this case, no assembly is required. Our cutter dredgers can also be easily (dis)assembled in 3 parts through bolt connections. As a result, launching any one of our dredgers does not require any complex or potentially hazardous operations.
  • Our dredgers are easy to operate with joystick controls. Additionally, all information regarding dredging work is clearly displayed on a control panel. This means that the dredging operation is simple. Additionally, the operator is not required to leave the cabin, as he has a good overview of dredging activity at all times.
  • In addition to easy operation, our dredger cabins are equipped with all necessities to ensure the operator’s safety and comfort. As an example, it is mounted on vibration isolation pads and supplied with noise reduction, ventilation/heating, railings and more. Additional features can also be installed upon request.
  • Upon dredger purchase, we can provide on-site crew training on how to operate and maintain an ECO dredger. Training includes, but is not limited to: overseeing launch of the dredger; dredge operation and performance optimization training; dredger check-up & maintenance training. Since our dredgers are small and easy to operate, training is quick and efficient.

    Training in progress

  • Our service team is always available to identify minor or major technical issues over the phone, by e-mail, or come directly to your project site if needed.
  • Our dredgers can be supplied with any other additional safety features depending on your project conditions and requirements.
  • We also continuously work on developing new dredging solutions and components to incorporate in our standard dredger design for improved safety. For example, our cutter head teeth are designed with bolt connection for safe and quick maintenance through hammerless operation. Another example includes our dredge ball joints, which are designed with a gland (locking ring) for easy (dis)coupling of dredge pipes. By applying continuous improvements to our standard dredging equipment, we make sure that the dredger is efficient, safe and increasingly environmentally friendly.

Dredging for safety

While dredging involves certain risks, it is an important process, which can be used to ensure safety for the environment and people. For example, deepening of rivers and waterways is used as a form of flood control. Environmental dredging removes contaminated sediments in a controlled manner, to ensure safe water reserves and protection of  natural habitats.

Contaminated sediments in nature

Contaminated sediments in nature

Achieving complete safety in the dredging industry requires constant development and innovation of new solutions. In order to encourage this, IADC created the IADC Safety Award. This initiative is used to raise safety awareness, as well as to reward companies for their innovation or practices that illustrate special attention to, or overall contribute to safety in the dredging industry.

We are constantly in the development of new, safer dredging components and solutions to upgrade our standard dredger design. Follow our news page, or social media channels (Facebook, Twitter, LinkedIn) to stay updated with our company news. If you have any questions, please don’t hesitate to contact us by filling in the form below!

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Dredge Ball Joints to the Middle East

Dredge Yard successfully delivered 50 heavy duty dredge ball joints to the Middle East for immediate use in the gulf region. These dredge ball joints are suitable for a thick pipe with internal diameter of 750mm at continuous pressure of at least 30 bar.

The ball joints are manufactured at Dredge Yard facilities in collaboration with our partners in the Republic of Turkey. The manufacturing process involves casting and heat treatment of all components, which is followed by machining to the finest tolerances. Some of our dredge ball joint benefits include:

  • Easy assembly and dis-assembly
  • Low maintenance required
  • Low friction between ball and gland due to grease grooves and polished ball and gland face
  • Replaceable liners made from wear resistant materials
  • Quick fix and release of locking
Dredge ball joint casing

Dredge ball joint components

Dredge ball joint testing & quality control

To ensure high quality and durability, all of our ball joints undergo heavy testing and quality control. Dredge Yard team of engineers always supervise the manufacturing and testing process. Therefore, we can guarantee that all parts are delivered in accordance with Dredge Yard specifications and to customer’s satisfaction. Accordingly, each dredge ball joint component is tested both – separately, and in combination with the other parts. This ensures its functionality and interchangeability in the dredging field.

Dredge ball joint testing

Dredge ball joint testing

During delivery, dredge ball joints are tested at pressures, which exceed the maximum operating pressure on site. More specifically, several dredge ball joints are statically tested over 30 bar for a duration of one hour.

Additionally, one of the dredge ball joints is tested at a special facility in a so-called dynamic test. During the dynamic test, the dredge ball joint is fully pressurized up to 30 bar, while a movement of the ball joint is created by a hydraulic cylinder. We do this to simulate the forces encountered when in use, and ensure durability of the component under severe conditions.

Dredge ball joints for delivery

Dredge ball joints for delivery

Finally, dredge ball joints are used by welding the heavy-duty steel pipe to two parts of the ball joint. Thick heavy welds are applied in order to ensure that the complete system withstands the pressure of at least 30 bar and external forces such as currents, waves and wind.

Post purchase support

Following the thorough manufacturing and testing process, we delivered all ball joints to a customer in the Middle East. Ball joints were ordered for immediate use at a dredging project in the gulf region. Dredge Yard service team will follow up with the customer for continuous monitoring and support on the use of dredgers, as well as assist whenever needed.

all dredger engineered design

Selection of dredgers by Dredge Yard

Aside from dredge ball joints and other dredge components, Dredge Yard specializes in high quality, small to medium sized dredgers. We put special focus on high efficiency and innovative solutions in order to achieve lowest equipment prices, operational costs and impact on the environment. If you are interested and would like to know more, do not hesitate to contact us here,or fill out the form below.

 

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