Products

Piston Seals for Hydraulic and Pneumatic Applications

Hydraulic piston seals are essential components in both hydraulic and pneumatic cylinders, designed to prevent fluid or air leakage between the piston and cylinder bore. These seals maintain pressure to ensure efficient power transfer and precise movement across various industrial applications.

Popular piston seal types include:

U-Cups/U-Rings

Versatile and widely used, these seals offer excellent sealing performance and flexibility.

V-Rings

T-shaped seals often paired with backup rings, providing superior stability and pressure resistance.

T-Seals

T-shaped seals, often with backup rings, providing excellent stability and pressure resistance.

O-Rings

Simple, cost-effective seals ideal for specific applications with lower pressure demands.

Materials

Piston seals are manufactured from a variety of materials, each with specific properties:

Nitrile Rubber (NBR)

Cost-effective, good resistance to oils and fuels, but limited temperature range.

Polyurethane (PU)

Excellent abrasion and tear resistance, durable, and suitable for high-pressure applications.

Viton (FKM)

High-temperature resistance, excellent chemical compatibility, and suitable for harsh environments.

PTFE (Teflon)

Low friction, excellent chemical resistance, and suitable for high-speed applications.

Applications

Piston seals are essential in a wide range of hydraulic and pneumatic systems

Hydraulic Cylinders

Used in construction equipment, agricultural machinery, industrial presses, and automotive systems.

Pneumatic Cylinders

Employed in automation systems, robotics, packaging equipment, and manufacturing processes.

Actuators

For linear and rotary motion control in various industries.

Benefits of Using Effective Piston Seals

Leakage Prevention

Maintaining system pressure and preventing fluid/air loss, ensuring efficient operation.

Reduced Friction

Minimizing friction between the piston and cylinder bore for smoother movement and energy efficiency.

Extended Equipment Life

Protecting cylinder components from wear and tear, increasing the lifespan of the equipment.

Improved Performance

Ensuring reliable and precise operation of hydraulic and pneumatic systems.

Selecting the Right Piston Seal

Choosing the correct piston seal depends on several factors

Operating Pressure

The maximum pressure the seal needs to withstand.

Fluid Compatibility

The type of fluid or gas the seal will be in contact with.

Temperature Range

The range of temperatures the seal will be exposed to.

Cylinder Dimensions

The specific dimensions of the cylinder bore and piston.

Single Acting - Simple

PS01P

PS01R

PS04P

PS04R

RS08P

PS08R

Single Acting Complex

PS0B

PS05P

PS05TP

PS05TT

PS05BP

PS05TS

Square Ring Activated

PS20A

PS20B

PS20C

PS20D

PS20E

PS20F

O Ring Activated

PS18A

PS18B

PS18C

PS18D

PS18E

PS18F

U Ring Activated

PS17A

PS17B

PS17C

PS17D

PS17E

PS17F

Double Acting Simple

PS11P

PS11R

PS11PL

PS11RL

PS15P

PS15PB

Double Acting 3 Elements

PS09P

PS09R

PS10P

PS10R

PS13A

PS13B

Double Acting 4 Elements Total Guides

PS09PR

PS10PR

PS17PR

PS21PR

PS22PR

PS23PR

Double Acting 4 Elements Short Guides

PS26A

PS26B

PS26C

PS26D

PS26W

PS27A

Double Acting 4 Elements Long Guides

PS28A

PS28B

PS28C

PS28D

PS30A

PS30B

Double Acting 5 Elements

PS40A

PS40B

PS41A

PS42A

PS42B

Double Acting 6 Elements

PS60A

Spring Activated

PS22A

PS22B

PS22C

Pneumatic

PS02P

PS02PH

PS02R

PS03P

PS03R

PS50A

Mining

PS12

Packs

PS38-1S

PS38A

PS38B