PHF

Seals are particular exposed to pressure, friction and temperature. Our aim is to design and make seals or sealing systems that perform optimal for all these parameters. Following from these parameters is wear, extrusion etc. Our materials are low friction and wear resistant. When applying the right surface parameters in combination with seal type and materials, we are able to supply a very wear and extrusion resistant sealing system for almost all applications.

Below you can find an overview of sealing and bearing materials. Please select the suitable material for your application. When you have any difficulties with selection of a material, contact your AST representative.

Sealing surfaces are very much known for influencing the wear, extrusion and the leakage rate for a sealing system. When applying our sealing systems, please follow our specifications.  You will find these specifications through the schedule below.

PHF is a double working piston seal for high frequency applications. It is normally used in hydraulic systems. The special shape gives it a very good lubrication also when short stroke and frequency is applied. It has a limited positioning function. It can also be used in other fluids and when the wright compound is chosen. It works at its own.

Max. Velocity is 15 m/s also depending on the material used and the medium it is working in.

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