Is the Lever joint gasket PERROT, SBR, KKG suitable for continuous use between -30Â°C and +80Â°C in outdoor environments?

Yes. The Lever joint gasket PERROT, SBR, KKG is specified for use in the PERROT lever coupling socket and is made of SBR (styrene-butadiene rubber) with a stated operating temperature range of -30Â°C to +80Â°C. That temperature range explicitly covers continuous exposure between -30Â°C and +80Â°C, so from a temperature-rating standpoint the gasket is suitable for continuous use in that range. Caveats: SBR performs well in general outdoor conditions but has limited resistance to prolonged ozone, UV, petroleum oils, and some chemicals; extreme or prolonged UV exposure, contact with oils/fuels, or aggressive chemicals may reduce service life. For harsh outdoor environments where UV, ozone, oils, or solvents are present, consider protective measures or alternative materials (e.g., EPDM, NBR) with better resistance.

Can Lever joint gasket PERROT, SBR, KKG maintain sealing performance when exposed to UV and weathering outdoors?

Lever joint gasket PERROT, SBR, KKG Format: The gasket is made of SBR, designed for the PERROT lever coupling socket, and rated for -30Â°C to +80Â°C. SBR offers good abrasion and oil resistance but has limited resistance to UV and outdoor weathering compared with EPDM or silicone. Exposed long-term to sunlight, ozone and harsh weather, an SBR gasket will tend to harden, crack and lose elasticity, degrading sealing performance over time. For intermittent outdoor use or protected installations it may perform acceptably short-term, but for reliable long-term UV/weather resistance a gasket material specifically formulated for outdoor exposure (e.g., EPDM) is recommended.

Does the Lever joint gasket PERROT, SBR, KKG resist oil and fuel exposure in field applications?

The Lever joint gasket PERROT, SBR, KKG (SBR material, operating range -30Â°C to +80Â°C) offers limited resistance to oil and fuels. Styrene-butadiene rubber (SBR) has good mechanical properties and abrasion resistance but is not particularly resistant to many oils, fuels or hydrocarbon-based solvents. In typical field exposures, prolonged contact with petroleum oils, diesel, gasoline or hydraulic fluids can cause swelling, softening and accelerated degradation of SBR, especially at higher temperatures or under stress. Therefore, for applications where the Lever joint gasket PERROT, SBR, KKG will be repeatedly or continuously exposed to oils or fuels, SBR is generally not the best choice; consider selecting a gasket material with proven oil and fuel resistance (for example NBR, FKM/Viton or other hydrocarbon-resistant elastomers) or confirm compatibility with the specific fluids and exposure conditions before use.

Lever joint gasket PERROT, SBR, KKG

All products, Lever couplings/

Additional information

Maximum operating temperature [°C]	80
Minimum operating temperature [°C]	-30
Standard length [m]	10

KKG gasket intended for the socket of the PERROT lever coupling. Material: SBR. Operating temperature: from -30°C to +80°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HC-KKG-050	KKG 50 gasket (86x11 mm), SBR	-	-	In stock	Enquiry
HC-KKG-070	KKG 70 gasket (110x11.5 mm), SBR	-	-	In stock	Enquiry
HC-KKG-089	Gasket KKG 89 (140x14 mm), SBR	-	-	In stock	Enquiry
HC-KKG-108	Gasket KKG 108 (160x18 mm), SBR	-	-	In stock	Enquiry
HC-KKG-133	Gasket KKG 133 (190x22 mm), SBR	-	-	In stock	Enquiry
HC-KKG-159	Gasket KKG 159 (224x22 mm), SBR	-	-	In stock	Enquiry
HC-KKG-216	Gasket KKG 216 (304x24.5 mm), SBR	-	-	In stock	Enquiry