O-Ring FPM 532.21x5.33 FKM

Applications

The O-Ring FPM 532.21x5.33 FKM is a high-performance rubber sealing ring developed for demanding industrial applications where high resistance to temperature, oils, and aggressive chemical media is required. It is used primarily as a static seal and, under appropriate conditions, as a dynamic sealing element in hydraulic and pneumatic systems, oil and fuel installations, and large industrial assemblies.

Manufactured from FPM (FKM) fluoroelastomer, this O-Ring delivers reliable and long-term sealing performance in environments where standard elastomers such as NBR or EPDM are not sufficient.

Advantages

• FPM / FKM (fluor) material with very high thermal and chemical resistance

• Resistant to mineral and synthetic oils, fuels, greases, and hydraulic fluids

• Excellent dimensional stability and elasticity during long-term operation

• Precise 532.21x5.33 dimensions ensuring secure groove seating

• Widely used as a technical sealing component in hydraulic and pneumatic systems

Technical Data

• Product type: O-Ring

• Material: FPM (FKM)

• Inner diameter: 532.21 mm

• Cross-section: 5.33 mm

• Color: brown

• Sealing type: static and dynamic

Main Description

The O-Ring FPM 532.21x5.33 FKM is a professional technical sealing solution designed for operation in environments with increased thermal and chemical stress. Produced from FPM fluoroelastomer, it ensures long-lasting sealing integrity when exposed to oils, fuels, hydraulic fluids, and a wide range of industrial chemicals.

This O-Ring is commonly selected for applications where a standard rubber gasket cannot provide sufficient durability. The FKM material is resistant to aging, ozone, and elevated temperatures, making it suitable for continuous-duty operation in industrial systems requiring stable sealing parameters.

With its accurately manufactured 532.21x5.33 dimensions, the O-Ring provides effective sealing for large flanges, cylindrical housings, and precision grooves. It is widely used in hydraulic and pneumatic sealing, industrial process equipment, energy systems, and heavy machinery maintenance.

For B2B customers, maintenance departments, and technical distributors, this sealing ring offers predictable performance, extended service life, and reliable operation in demanding industrial environments.

FAQ

What makes FPM O-Rings suitable for demanding applications?
FPM offers excellent resistance to heat, oils, fuels, and aggressive chemicals.

What is the typical operating temperature range?
Usually from about -20°C up to +200°C, depending on operating conditions.

Is this O-Ring suitable for hydraulic systems?
Yes, it is widely used in hydraulic and pneumatic applications, especially at elevated temperatures.

Can it be used for dynamic sealing?
Yes, when properly selected and installed, it can operate in dynamic sealing applications.

Where are large-diameter FKM O-Rings typically used?
In industrial process systems, energy installations, heavy machinery, and large-scale hydraulic equipment.