FSKR-O Vented Rod Seal | Anti-Pump Step Seal for Hydraulic Cylinders
Polypac’s FSKR-O Vented Rod Seal is a High Quality anti-pump step seal designed for hydraulic cylinders. Its vented design reduces pressure build-up, enhancing seal life and performance. Ideal for demanding applications, this step seal ensures reliable, leak-free operation.
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Details
1. Application and properties
Suitable for one-way piston seal and reciprocating rod seal. It has good sealing performance at high, medium and
low pressure. The working pressure range is broad. Pressure resistance can be enhanced by adding a back-up ring
The friction coefficient is small, 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.
It can be used for special conditions such as vacuum, low temperature, static sealing, extremely low speed, and
small stroke.
Suitable for aviation, military and industrial sealing groove size. Small installation groove and the 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/103A
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