Piston Seals
Piston seals are vital components within hydraulic and pneumatic cylinders, acting as a dynamic barrier between the piston and the cylinder bore. Their primary function is to prevent fluid from bypassing the piston, which allows the cylinder to build and maintain pressure for efficient power transmission. These seals must endure high pressures, temperature fluctuations, and continuous movement. Common types include single-acting and double-acting seals, often made from robust materials like polyurethane for wear resistance or compounded plastics for low friction. Effective piston seals are crucial for ensuring optimal cylinder performance, high efficiency, and minimal leakage in applications from industrial machinery to mobile equipment.
The Essential Role of Seals in Modern Industry
Seals are precision components designed to prevent the leakage of fluids and gases while excluding contaminants in mechanical systems. They are critical for ensuring efficiency, safety, and reliability in a vast range of applications. Common types include static seals like gaskets for stationary parts and dynamic seals like O-rings and lip seals for moving components. Made from materials such as rubber, polyurethane, PTFE, and metal, they are tailored to withstand specific pressures, temperatures, and chemical exposures. From automotive engines and hydraulic cylinders to food processing and aerospace systems, seals are indispensable in nearly every industry, protecting equipment and enhancing performance.
GSF Series High-Performance Piston Seals Low Friction & Zero Leakage
LBH Type Heavy-Duty Piston Seal - Polyurethane L-Section Design
SPGO Type Oil Seal - Spring-Loaded Double-Lip Rotary Shaft Seal
SPGW Series High-Performance Wiper Seals Heavy-Duty Contamination Exclusion
FKS Heavy-Duty Hydraulic Piston Seal - Anti-Extrusion Design
Secure performance with precision seals
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Polypac is a trusted global supplier of high-performance sealing solutions, providing OEM & ODM services for industries worldwide.
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