RHF

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.

RHF is a double working rod seal for high frequency applications.  The special shape gives it an optimum lubrication also when short stroke and high frequency is applied. It has a limited positioning function. It is only used in hydraulic systems. It can also be used in other fluids. It is used on its own.

Max. Velocity is 15 m/s also depending on the material used and the medium it is working in. It can be used on metallic rod materials or on ceramic rod coatings when applying the right compounds. For High density rod materials such as Inconel and Duplex, please ask you AST representative for our possibilities.