Our quality control methods for material and manufacturing processes ensure that all seals leaving our factories are in a condition capable of giving a long and reliable service life.

Hallite Seals' product data sheets give information indicating the allowable extrusion gap a seal can see at pressure during its working life.

Hallite's wide range of products can be applied to a selection of some of the most popular cylinder designs servicing the worlds fluid power industry.

From many years of application experience with sealing hydraulic equipment, we know that it is necessary to link the three main operating features of speed, pressure and temperature to achieve a satisfactory seal performance.
After carefully considering each product we are able to specify the maximum speed and pressure with a temperature range within which the seal will operate safely.

Most Polymeric items including vulcanized rubber and other elastomers tend to change their properties during storage and may become unserviceable.
The following recommendations indicate the most suitable conditions for storing, whether as a single item or composite product.

Surface roughness has a very important influence on the life and leakage performance of a reciprocating sealing system.
Piston Rods are generally hard chrome plated