Danfoss / Eaton Teflon BACK-UP Ring

Description & Features

Designed for durability and compatibility, the Aeroquip Teflon BACK-UP Ring from Danfoss/Eaton is an essential component in industrial hydraulic systems. Made from high-quality Teflon, this back-up ring resists wear and chemical degradation, ensuring longevity and consistent performance. With a standard width of 1.32 inches, it fits seamlessly into various hydraulic applications, providing reliable support and sealing integrity.

Available in multiple sizes, this component is part of the Aeroquip series known for its robust design and trusted performance in demanding environments. Ideal for use in systems where high pressure and fluid compatibility are critical, this back-up ring is a practical choice for maintaining system efficiency and reducing downtime.

SKU: 22021-12

Supplier Part Number (MPN): 22021-12

Specifications

Brand
Aeroquip® by Danfoss
Dimensions
1.317 in OD x 0.04 in THK
Fitting Type
Back-Up Ring
Material
PTFE
Material Construction
PTFE
Series
22021 Series

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Product Questions & Answers (1)

Question by: Lyle B on Nov 24, 2025, 6:14 AM
Just making sure, this Teflon back-up ring will hold up with hydraulic fluid, right?
Answer by: Customer Support on Nov 26, 2025, 6:34 AM
According to the documentation, this Aeroquip Teflon back-up ring offers excellent fluid compatibility, so you shouldn't have any problems there.

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