Is the O-ring gasket for SAE flanges, FPM (Viton FPM80) compatible with hydraulic fluids and temperatures up to 200Â°C?

O-ring gasket for SAE flanges, FPM (Viton FPM80) . compatibility with hydraulic fluids and temperatures up to 200Â°C: Viton (FPM80) is a fluorocarbon elastomer known for excellent resistance to mineral oils, many hydraulic fluids, and high temperatures. In general, O-ring gasket for SAE flanges, FPM (Viton FPM80) is compatible with most common hydraulic fluids (mineral oil-based and many synthetic fluids) and can operate continuously at elevated temperatures. Typical continuous service temperature range for Viton FPM80 is around -20Â°C to +200Â°C, with short-term peaks somewhat above 200Â°C depending on pressure, chemical exposure and mechanical stress. However, compatibility is not universal. Some phosphate ester fluids, certain aggressive additives, or specialized hydraulic fluids can attack fluorocarbon elastomers. At temperatures near 200Â°C the materialâs mechanical properties (elasticity, compression set, sealing force) degrade faster, reducing sealing reliability over time. Also, flange pressure, static vs dynamic sealing, chemical concentration, and exposure duration affect suitability. Recommendation: For safe use of O-ring gasket for SAE flanges, FPM (Viton FPM80) with hydraulic fluids up to 200Â°C, verify the specific hydraulic fluidâs compatibility with Viton FPM80 (consult fluid and elastomer chemical compatibility charts), confirm expected pressure and dynamic conditions, and consider accelerated aging at high temperature. For critical applications, perform application-specific testing or consult the gasket manufacturer for certified temperature and fluid compatibility.

Can O-ring gasket for SAE flanges, FPM withstand exposure to fuels, oils, and common hydraulic fluids without swelling or degradation?

O-ring gasket for SAE flanges, FPM: Yes. Viton (FPM80) is specifically formulated for resistance to fuels, oils and most common hydraulic fluids; it resists swelling, hardening and chemical degradation in these media across a wide temperature range. It performs particularly well with petroleum-based fluids, diesel, gasoline, lubricating oils and many hydraulic fluids (including some phosphate esters and synthetic hydrocarbons). Limitations: FPM is less compatible with certain esters, ketones, low-molecular-weight glycol ethers, concentrated acids/bases and some silicone-based fluids. For aggressive or unusual fluids, high temperatures, or long-term exposure, verify compatibility with fluid supplier data or perform application-specific testing.

Does O-ring gasket for SAE flanges, FPM resist compression set after repeated flange assembly cycles?

O-ring gasket for SAE flanges, FPM: Viton (FPM80) offers excellent chemical and temperature resistance and generally good mechanical stability. However, regarding compression set after repeated flange assembly cycles: - FPM (Viton) has moderate resistance to compression set compared with elastomers like silicone; under repeated compression/relaxation cycles it will exhibit some permanent set over time. - For SAE flange O-ring applications, FPM80 typically maintains a reliable seal through multiple assemblies if: assembly torque and gland design keep compression within recommended limits, operating temperature stays within the materialâs service range (typically -20Â°C to +200Â°C depending on compound), and exposure to aggressive chemicals is limited to those compatible with FPM. - Repeated high-temperature exposure, prolonged static compression, or chemical swelling (incompatible fluids) accelerate compression set and reduce sealing performance after many cycles. - To minimize compression set: ensure correct O-ring cross-section and gland dimensions for SAE flanges, avoid over-compression, use proper lubrication during assembly, and choose FPM formulations specified for low compression set if frequent disassembly is expected. Conclusion: O-ring gasket for SAE flanges, FPM will resist compression set reasonably well but is not immuneâexpect gradual permanent set with frequent flange assembly cycles, especially under high temperature, high compression, or aggressive fluid exposure. For critical applications with frequent cycles, consider low-compression-set FPM grades or alternative materials/designs.

O-ring for flanges SAE, FPM

All products, Fittings for high-pressure hoses/

Additional information

Maximum operating temperature [°C]	200
Minimum operating temperature [°C]	-40
Standard length [m]	2

O-ring for flanges SAE. Material: Viton (FPM80).

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
TI-USK110-24V	O-ring 47.22x3.53 mm, FPM80	-	-	In stock	Enquiry
TI-USK110-32V	O-ring 56.74x3.53 mm, FPM80	-	-	In stock	Enquiry
TI-USK110-40V	O-ring 69.44x3.53 mm, FPM80	-	-	In stock	Enquiry
TI-USK110-48V	O-ring 85.32x3.53 mm, FPM80	-	-	In stock	Enquiry