A new customer required a Parker Denison R5U (R5U12) relief valve, which was to be mounted directly onto a pump. The valve is now being delivered to the customer.
HOL-W Series Marine / Subsea Hydraulic Cylinders
Made here in the UK, our Series HOL-W welded marine hydraulic cylinders conform to the requirements of ISO 6020/2 – 1991, DIN 24554.
Their heavy-duty construction, wide range of mounting styles and customisable design features makes them suitable for a wide range of marine and subsea applications. All designs are created utilizing 3D design software, which can be exported to enable you to import the marine cylinder or actuator model directly into your own machine design. Component parts are manufactured using latest CNC machinery... ensuring part interchangability and supporting responsive lead times.
These marine cylinders are designed with generous internal bearing lengths, using high quality materials in their construction together with proven seal types and a choice of sealing systems and materials. End of stroke cushioning is available at either or both ends of stroke. All of our marine hydraulic cylinders can also be supplied with: internal full displacement positional transducers, end of stroke sensors and control valve packages - having valves built directly into the cylinder endcap or manifolded onto the cylinder.
All subsea / marine cylinders are tested to 1.5 x the designed working pressure and are supplied as standard in satin black enamel paint, but can be supplied with external surfaces plated or shotblasted and marine specification painted.
Key features include:
- Working pressure: 250 bar
- Fluids: Mineral oils, soluble oils, HWB fluids, and Esther based fluids
- Operational speeds: 500 mm/sec subject to fluid type and pressure
- Temperature range: -10C to +80C.
Click through to our brochure for more technical data and full ordering code details.