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FSR-V Vented Rod Seal | Anti-Pump Step Seal for Hydraulic Cylinders

Polypac’s FSR-V Vented Rod Seal is a High Quality Anti Pump Seal designed for hydraulic cylinders. Made with durable PTFE, it prevents pump flow and ensures reliable sealing performance, enhancing cylinder efficiency and lifespan. Ideal for demanding hydraulic applications.

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Details

1. Application and properties

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

pressure. The working pressure range is broad. Pressure resistance can be enhanced by increasing the tail length

dimension or adding a back-up ring

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

surface is the smallest among all seal types, 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. Can be used for extremely high speed, extremely low speed,

micro-stroke and other special conditions

Suitable for aviation, military and industrial seal groove sizes, standard mounting grooves are as small as standard

O-ring mounting grooves. It can also be designed as a non-standard part to meet the sealing requirements of any size

trench. The grooves are 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/400A

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