O-Rings and Seal Kits

What is included in a hydraulic cylinder seal kit?

Depending on the cylinder design, a typical seal kit will include:

• O-rings and back-up rings
• piston seals and rod seals
• wiper seals for the piston rod
• guide and wear rings
• flat gaskets and sealing rings for ports and fittings

All parts are matched to the respective cylinder and cover the relevant sealing points, allowing a complete overhaul in a single service operation.

When should O-rings and seal kits be replaced?

Using a complete seal kit is recommended in particular:

• when visible oil leaks occur at the rod or ports
• in case of pressure loss or irregular cylinder movement
• as part of planned preventive maintenance
• after disassembly of the cylinder or long standstill periods
• when refurbishing used cylinders for continued service

Benefits of complete cylinder seal kits

• all required sealing elements in one package
• saves time and cost compared to ordering single parts
• correct dimensions and materials for the cylinder type
• reduces the risk of missing a critical seal

Selecting the correct O-rings and seal kit

Cylinder type, bore, rod diameter, stroke and pressure rating are crucial for selecting the right kit. Whenever possible, use the kit specified for the exact cylinder model to ensure proper function and safety.

We are happy to help you choose suitable O-rings and seal kits for your hydraulic cylinders.