Is the Guillemin connector gasket, Viton, compatible with petrochemical fluids and high-temperature steam applications?

Yes. The Guillemin connector gasket, Viton is generally compatible with many petrochemical fluids and high-temperature steam applications, but with important caveats. Viton (fluoroelastomer) offers excellent chemical resistance to hydrocarbons, oils, fuels, many solvents and aggressive petrochemical fluids, and it retains good mechanical properties at elevated temperatures (typically continuous service up to ~200â220Â°C, depending on compound). For petrochemical fluids such as gasoline, diesel, aromatic and aliphatic hydrocarbons, and many process chemicals, Viton gaskets are usually an appropriate choice. However, compatibility depends on the specific fluid, concentration, temperature, pressure and exposure time. Viton has limited resistance to concentrated acids, strong bases, certain amines, ketones (e.g., acetone), low-molecular-weight esters, and steam under some conditions can cause accelerated aging, especially at high temperatures and pressures. High-temperature saturated steam (prolonged exposure above ~150â200Â°C) can degrade Viton faster than dry heat; dynamic or cyclic steam conditions further reduce service life. Recommendation: verify the exact petrochemical fluids and operating conditions against the specific Viton compound datasheet and perform compatibility testing where necessary. For critical high-temperature steam service, consider alternative materials (e.g., graphite or specially formulated steam-rated elastomers) if long-term durability is required.

Can the Guillemin connector gasket, Viton, withstand repeated chemical exposure and maintain sealing integrity over time?

Yes. The Guillemin connector gasket, viton offers excellent resistance to many chemicals, oils, fuels and solvents, and maintains its elastomeric properties under repeated exposure. Viton (FKM) resists degradation from aromatic hydrocarbons, chlorinated solvents, aliphatic hydrocarbons, hydraulic fluids and many aggressive media, so the Guillemin connector gasket, viton will typically retain sealing integrity over time in such environments. However, performance depends on specific chemicals, concentration, temperature and exposure duration; prolonged exposure to strong acids, caustics, amines or low-molecular-weight ketones/esters can cause swelling or hardening. For critical applications, verify chemical compatibility, operating temperature and pressure against supplier data or run application-specific testing.

Does the Guillemin connector gasket, Viton, resist swelling or degradation when exposed to hydraulic oils?

Yes. The Guillemin connector gasket, viton generally resists swelling and degradation when exposed to most hydraulic oils. Viton (a fluoroelastomer) offers excellent chemical resistance to mineral oils, petroleum-based hydraulic fluids, and many synthetic hydraulic fluids, maintaining its sealing properties, elasticity and dimensional stability under typical operating temperatures. However, resistance can vary depending on the specific hydraulic fluid formulation (additives, esters, phosphate esters, glycol-based fluids), temperature, pressure, and duration of exposure. Some aggressive fluidsâsuch as certain phosphate ester fire-resistant fluids, some synthetic esters, or highly aromatic or chlorinated fluidsâmay cause more swelling or loss of properties. High temperatures and prolonged immersion can also accelerate degradation. Practical guidance: - For conventional mineral-oil and many synthetic hydraulic fluids, the Guillemin connector gasket, viton is a suitable, durable choice. - For unusual or aggressive hydraulic fluids (phosphate esters, certain esters or glycols), verify compatibility with the fluid manufacturer or consult chemical compatibility data for Viton (FKM). - When in doubt, perform a compatibility test under expected temperature and exposure conditions or choose a gasket material specifically qualified for the fluid. In summary: generally resistant, but confirm compatibility for nonstandard or aggressive hydraulic fluids and high-temperature or long-term exposure.

Guillemin connector gasket, viton

All products, Symmetrical claw couplings/

Additional information

Flat gasket for Guillemin connection. Material: viton.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
GU-U-075-VITON	GUILLEMIN DN 20 joint gasket, Viton	-	-
GU-U-100-VITON	GUILLEMIN DN 25 connector gasket, Viton	-	-
GU-U-125-VITON	GUILLEMIN DN 32 joint gasket, Viton	-	-
GU-U-150-VITON	GUILLEMIN DN 40 joint gasket, Viton	-	-
GU-U-200-VITON	GUILLEMIN DN 50 joint gasket, Viton	-	-
GU-U-250-VITON	GUILLEMIN DN 65 joint gasket, Viton	-	-
GU-U-300-VITON	GUILLEMIN DN 80 connector gasket, Viton	-	-
GU-U-400-VITON	GUILLEMIN DN 100 joint gasket, Viton	-	-