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FSKR-X Series Vented Step Seal | Prevents Pumping Effect in Rod Applications

Polypac's FSKR-X Series Vented Step Seal is an advanced anti pump seal designed for rod applications. This double lip rod seal prevents the pumping effect, ensuring enhanced durability and reliable performance in dynamic sealing environments. Ideal for vented rod seal needs.

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Details

1. Application and properties

Suitable for one-way piston seal and reciprocating rod seal, which has good sealing performance at high and low

pressure. The working pressure range is wide, and the pressure resistance can be enhanced by adding back-up rings.

The friction coefficient is small, the contact pressure with the matching surface is low, the friction with the matching

surface is small and it can work with or without lubrication. It has good wear resistance and long life.

The working medium of the sealing sleeve is widely adaptable, and other chemicals do not react with it except

soluble alkali metal, high temperature fluorine gas and chlorine trifluoride.

Operating temperature range from -200°C to +250°C. And it can be used in special working conditions such as

extremely high speed, extremely low speed, and micro-stroke.

Suitable for sealing groove sizes in aviation, military and industrial field. The installation groove is small and groove is

open or semi-open.

2. Standard Material

Sealing ring: filled PTFE

Spring: SUS301, 302, 304, 316 or 718. Default use SUS301, please specify if there are special requirement /APS

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