Hydroll – The Piston Accumulator Company

Hydroll is the only company in the world purely specialized in the design and production of high-quality piston accumulators. The latest piston accumulator technology combined with top-notch know-how and an in-depth understanding of the challenges that our customers face in their applications makes Hydroll the optimum international technology partner in piston accumulators.

Hydroll, since it was founded in 1998, has been concentrating its efforts into the development of piston accumulator technology in close cooperation with our customers. Our solutions offer considerable user benefits over more traditional accumulator solutions.

Our state-of-the-art facilities in Lapua, Finland produce and deliver piston accumulators to our customers across all regions around the world. With our fine-tuned and efficient supply chain we are able to serve all our customers with efficiency, reliability and a customer-oriented approach to business.

As a company we are committed to providing the very best to both our customers and our staff. We welcome challenges and thrive on producing the best possible solutions. We also take our social and environmental responsibilities very seriously. Hydroll works in close cooperation with a number of other companies involved in developing renewable energy and energy efficiency in general through its membership to groups such as Cleantech Finland and the Finnish Component Suppliers for Wind Energy.

Why Hydroll

Even though our products generally end up as a part of robust installations operating in demanding, even extreme, conditions, it is precision and attention to detail that ultimately ensure the high quality and reliability of our solutions.

This philosophy drives us to continuously push the piston accumulator technology further. Only by being at the forefront of development can we offer our customers the best possible solutions available on the market today. Our drive in our own field of expertize combined with a customer-oriented service mentality and an understanding of the challenges our customers face in their applications, we can be confident that our customers will receive that touch of perfection that we promise to deliver in everything we do from our products all the way through to service, logistics and the eventual end user benefits.

Designing and producing the best piston accumulators available on the market today isn’t enough for us. We are committed to continuously developing both the piston accumulator technology and our own knowhow. We work closely together with our clients as well as with bright young minds from local Technical Universities to ensure that we meet and exceed the needs of our customers.

In everything we do we put safety first. Our committed staff makes sure that our production is always precise and the used materials and components are of the highest possible quality. All products are thoroughly tested before they are approved for shipping. Hydroll is ISO9001:2008 quality certified.


  • Founded in 1998
  • 100% focus on piston accumulator technology
  • Strong in-house R&D in close cooperation with clients
  • Efficient global supply chain and deliveries