The Industry’s Toughest Hydraulic Cylinders

Complete In-House Manufacturing Since 1990

RHK designs and manufactures a wide array of hydraulic cylinders. As a custom manufacturer, RHK works closely with its clients to establish design requirements and develop an affordable solution.

RHK’s technical sales and engineering teams have extensive experience designing cylinders from a set of specifications or even a conceptual idea.

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Custom Design and Engineering

RHK is a leader in custom manufacturing of all types of hydraulic cylinders. We manufacture single or multi-stage cylinders, single or double acting. All products are engineered to meet safety, material strength, and load capacity guidelines. Additionally, all manufacturing processes are done in-house.

Our engineering and applications team will work closely with you, the customer to understand your specifications, requirements and applications. RHK will create designs, manufacture, inspect and deliver within the timeframe which ensures consistent high-quality cylinders to the marketplace. All cylinders are designed, built and tested as per API standards and follow ISO 9001:2015 standards.

Any Industry. Any Application.

Choose from the following cylinder types to learn more.

Manufactured with Pride

Driven by Continuous Improvement

RHK’s versatile manufacturing process accommodates low and high volume orders of varying sized cylinders. Every component is rigorously measured, tested and held to RHK’s Quality Assurance program. Using ERP software progress is monitored ensuring every order is fulfilled accurately and on time.

Once assembled and tested, completed cylinders are primed light grey for rust protection while in transport. Full painting services are also available.

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Committed to Quality

RHK’s Quality Assurance program is registered to the international ISO 9001:2015 standard for design, manufacture and service of our products. Through this Quality program we ensure that every aspect of our business is held to the highest standard and that every order is fulfilled accurately and on time.

Committed to creating a healthier environment for its employees and the community, RHK has received, and continuously works towards the ISO 14001:2015 Environmental Standard. RHK also maintains the international certification, ISO OHSAS 18001:2007 for Occupational Health and Safety. Meeting these standards, RHK ensures that our operation minimizes the negative affect on the environment and creates a safe place to work.

Custom Hydraulic Cylinders FAQs

The cost varies and is dependent on size, materials, complexity, and order quantity.

Lead time depends on several factors such as material availability, cylinder complexity, order quantity, special items, and our current workload. Contact us for more information.

Yes. In fact, it is common for us to manufacture a single prototype for a customer in the research and development phase of a project.

Yes. We can reverse engineer a design and make modifications and recommend improvements along the way. This is common when the original manufacturer is no longer in business or when drawings are simply not available.

Yes. We prefer to manufacture using our own design, but we can manufacture cylinders based on external drawings.

Custom Hydraulic Cylinders
Custom Hydraulic Cylinders

RHK provides reliable and sustainable solutions for your essential operations. We design, manufacture, and repair hydraulic cylinders for customers globally

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Since 1990, RHK has been manufacturing hydraulic cylinders for a wide range of industries. Our Sales and Engineering team has extensive experience and is standing by to develop a custom solution for your application.