O-RING 57.15 × 3.53 FKM 80
Premium sealing for extreme conditions – FKM O-rings excel in high chemical and temperature resistance, making them ideal for demanding industrial applications, vacuum systems, and environments where standard elastomers are insufficient.
*FKM O-rings, Viton O-rings, Fluorocarbon O-rings, FKM seals, Viton seals, Fluoroelastomer O-rings



The fluorocarbon FKM O-ring is a highly resistant elastomeric seal designed specifically for more demanding industrial and technical applications.
FKM is characterised by very good resistance to mineral oils and lubricants, fuels, and a range of chemical media. The material also has good resistance to elevated temperatures, ozone, weathering, and ageing. Due to these properties, FKM O-rings are used in hydraulics, pneumatics, pumps, valves, fittings, machinery, and other industrial assemblies.
A hardness of 80 Shore A represents a stiffer version of the O-ring and provides higher mechanical stability than more common softer elastomeric seals. Suitability for a specific operating pressure, medium, and temperature must always be assessed based on the conditions of the given application.
O-ring dimensions are listed on Watto in the format D1 × D2, where D1 denotes the inner diameter and D2 the cross-sectional diameter (thickness) of the O-ring.
Technical Parameters
D1 – inner diameter: 57.15 mm
D2 – cross-sectional diameter: 3.53 mm
Material: FKM – fluorocarbon rubber
Hardness: 80 Shore A
Colour: green
Additional parameters
| Category: | FKM O-Rings |
|---|---|
| Warranty: | 2 years |
| Weight: | 0.01 kg |
| Colour: | Green |
| Material: | FKM 80 |
| Manufacturer: | Trelleborg Sealing Solutions |
| Internal Diameter D1: | 57.15 mm |
| Section D2: | 3.53 mm |
| Hardness: | 80 Shore A |
| Usage: | oils, fuels, vacuum, service, maintenance, industry |
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