Piston Bore Seals

Ruichen Seals' Premium Single-Acting U-Cup Lip Seal utilizes high-performance polyurethane (PU) material and an asymmetric structural design. Complying with ISO5597 international groove standards, it was developed for one-way sealing in reciprocating hydraulic applications. It offers excellent sealing performance, wear resistance, and anti-extrusion capabilities, making it suitable for construction machinery, agricultural equipment, and industrial hydraulic systems.

As a manufacturer and supplier of RPW Type Glyd Ring Seals, Ruichen Seals also offers a variety of other hydraulic seals. This one, designed using a combination of a special-shaped PU sealing ring and an O-ring, features bidirectional pressure adaptability, high and low pressure sealing stability, and extremely low friction. It can be quickly installed without tools and is widely used in precision sealing applications in engineering machinery, hydraulic systems, and other fields.

KR Type Polyurethane NBR FKM Compound Seal is one of the products that Ruichen Seals can provide you. It is suitable for heavy-duty engineering machinery, injection molding machines, and high-pressure hydraulic systems. It adopts a combination structure of PU sealing ring and rectangular rubber ring, with excellent bidirectional sealing performance and low-pressure holding capability. It can be quickly installed without tools and complies with ISO7425/1 standard groove, significantly improving the sealing reliability and maintenance efficiency of equipment under harsh working conditions.

As a manufacturer from China, Ruichen Seals has the ability to develop and innovate. The AQF Type PTFE Compound Seal launched by Ruichen Seals uses a combination of low-friction PTFE sealing rings and oil-resistant elastomers. It has a compact appearance and strong adaptability, and is specially suitable for hydraulic systems in food machinery, medical equipment and clean environments.

If you're interested in purchasing Ruichen Seal's AQ Type PTFE Compound Seal, we offer highly flexible material customization options: elastomers can be selected from a variety of rubbers, including NBR and FKM. In addition to standard PTFE3, sealing rings also support a variety of engineering materials, including PTFE1/PTFE2/PTFE4.

Ruichen Seals is a manufacturer of various seals and sealing materials with strong R&D capabilities. Our high-performance Heavy-Duty V-Set Seal for pistons utilizes a combination of multiple V-rings, compression rings, and support rings. This product offers strong adaptability to various operating conditions, supports customization of various materials, and allows for adjustable sealing performance. It is resistant to harsh media and oil-free lubrication environments, and maintains a stable seal even under conditions of poor surface quality, making it a reliable choice for medium- and heavy-duty hydraulic equipment.