Rod-Piston seal 15x25x5


Rod-Piston seal 15x25x5 is a single-acting symmetrical hydraulic seal. It can be used in both Rod and Piston applications because of it’s symmetrical sealing lips.

Rod-Piston seal 15x25x5

Rod-Piston seal 15x25x5 is one type of hydraulic seal that is used in rod and piston applications. It’s dimensions provided (15x25x5) indicate the seal’s inside diameter (ID), outside diameter (OD) and thickness (TH) respectively.

Working function of Rod-Piston seal

This type of seal is designed to fit inside a hydraulic cylinder bore or around a piston rod to prevent fluid leakage. It creates a barrier between the high-pressure fluid on one side of the seal and the lower pressure or ambient environment on the other side.

Dimensions of Rod-Piston seal

The seal’s dimensions (ID, OD, TH) are very important to achieve a proper fitting in the hydraulic cylinder. The ID must match with the piston diameter, the OD must match with the cylinder bore or housing diameter. The seal’s thickness (TH) is designed to provide an adequate sealing contact between the components.


Rod-piston seals are usually made from Polyurethane (PU) or Nitrile rubber (NBR). These materials offer excellent sealing properties, durability, and resistance to fluids.

Application of Rod-Piston seal

Rod-Piston seals are typically installed in hydraulic systems, such as cylinders used in industrial machinery, automotive applications, and hydraulic presses.


  • Wide range of sizes
  • Easy installation in closed grooves
  • Simple groove design
  • Cost-effective repair seal
Weight 0.00375 kg
Dimensions 2.5 × 2.5 × 0.5 cm
Seal ID


Seal OD


Seal Thickness


Seal Type

U-symmetrical Rod-Piston seal


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