Leader in custom hydraulic cylinders

Hydraulic cylinder experts with
over five decades of experience.

Our automated, fast and flexible production is truly world-class.

We constantly develop our operations by listening to our customers and cooperating closely with our stakeholders.

Beyond all else, we want to be the trusted, groundbreaking partner our customers truly need.

Customer satisfaction is our passion.

Read more about us and our story here.

What do we offer?

hydraulic cylinder design

Are you looking for a reliable partner in hydraulic cylinder designing? Do you already know what you need but need a reliable partner? Our design and R&D team is here to help you!

hydraulic cylinder manufacturing

Looking for a trusted partner for hydraulic cylinder manufacturing? We are always available to our customer, regardless of their geographical location.

hydraulic cylinder maintenance

We also offer cost-effective and sustainable maintenance services for hydraulic cylinders. Hydroline Services repairs and maintains all hydraulic cylinders despite the original manufacturer.

What is
Hydroline?

Hydroline Oy designs and manufactures durable, heavy-duty hydraulic cylinders and offers lifecycle services to them. Our automated, fast and flexible production is truly world-class. We constantly develop our machine base and operations to meet customer-specific-needs and remain leaders in the industry. Beyond all else, we want to be the trusted, groundbreaking partner our customers truly need.

In addition to the customized cylinders, Hydroline offers piston accumulators, system configurations, and versatile services such as repair and manufacturing services. The modern production facilities are located in Vuorela, Siilinjärvi (Finland) and in Stargard (Poland), where the production started in 2014. The core values of Hydroline are guiding its business strongly that are commitment, sustainability, interaction and people.

Blog

Covid-19: Our resposibility

26.03.2020 | hydroline

The past few weeks have been exceptional and filled with quite unexpected events. At Hydroline, we also have a great responsibility in making sure our employees are safe and reminding them about the necessary precautions during this time. The global situation as a whole is quite uncertain at the moment but as individuals we share a huge responsibility in making an effort to ensuring the safety of others around us. We need to protect the weakest ones in our society.

Hydraulic cylinder assembly

29.04.2020 | Hydroline

In this blog post we will explain the assembly process. At Hydroline, our professionals take care of the process and even though it sounds very simple when put to words, it actually requires careful concentration and expertise. Before the assembly process starts, every part is carefully washed and protected. The purity level of each part is inspected by a washer and an assembler. Washing results and washed parts are sampled daily and their cleanliness is checked in our own cleanliness laboratory. Our washing machines’ washing solution cleanliness along with washing chemistry are examined regularly. We also have an ultrasonic cleaner for small and sensitive parts.

Friction welding

08.11.2019 | Hydroline

In friction welding, two components are rubber together at a controlled rotational speed. Although the term welding is used to define the process, it actually has no resemblance to conventional welding as there is not filler material involved. The other component stays on place and the other one is rotated as the components are brought together. When pressing the components together, this creates the fiction and the heat that allows both components to reach a plastic state and be forged together. Rotation is stopped and after that, some extra pressure is applied to the joint. With friction welding, a 100% welded, forged quality bond is achieved. As a final step, the machine removes the extra flash by lathing.

Interested in our services? Contact us!

Arto Miettinen

VP sales & marketing

Manu Leinonen

VP design and R&D

Mikko Laakkonen

President, CEO

Contact form and contact details

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