Is the DIN 11851 Coupling Gasket, NBR Rubber suitable for use with food oils and high-temperature cleaning cycles up to 100°C?

Yes. The DIN 11851 Coupling Gasket, NBR Rubber is suitable for use with food oils and for cleaning cycles up to 100°C. NBR (nitrile rubber) offers strong resistance to oils and fats and the gasket’s hygienic design targets food, beverage, and pharmaceutical applications. Its rated temperature range (‑30°C to +100°C) covers high‑temperature cleaning cycles up to 100°C, while maintaining flexibility and durability under fluctuating thermal conditions. Ensure compatibility with any specific aggressive chemicals used in cleaning agents and verify regulatory/industry certifications required for your application.

Can the DIN 11851 Coupling Gasket, NBR Rubber withstand repeated exposure to sanitizing chemicals used in pharmaceutical and beverage cleaning protocols?

DIN 11851 Coupling Gasket, NBR Rubber Format Yes—with qualification. The DIN 11851 Coupling Gasket, NBR Rubber is formulated from high‑quality nitrile (NBR), which offers good chemical resistance to oils, fats and many common process fluids and is widely used in food, beverage and pharmaceutical lines. Its hygienic design and temperature range (‑30°C to +100°C) make it suitable for environments requiring frequent cleaning. However, resistance to sanitizing chemicals varies by agent and concentration. NBR generally tolerates mild alkaline and neutral detergents and many common sanitizers, but it is less resistant to strong oxidizers (e.g., concentrated peracetic acid, sodium hypochlorite at high concentrations), strong acids, and certain aggressive solvents. Repeated exposure to harsh oxidizing sanitizers or high‑temperature caustic cleans may accelerate aging, hardening, swelling or loss of elasticity, reducing sealing performance over time. Recommendation: For routine CIP/SIP with mild detergents and typical food‑grade sanitizers at recommended concentrations and temperatures, the gasket should perform well. For frequent use of strong oxidizers or aggressive chemistries, verify compatibility with the chemical manufacturer or consider alternative elastomers (e.g., EPDM, FKM) specifically rated for those sanitizers. Conduct site‑specific compatibility testing and include regular inspection/replacement intervals to ensure ongoing hygienic performance.

DIN 11851 Coupling Gasket, NBR Rubber

All products, Hygienic stainless steel couplings/

Additional information

Maximum operating temperature [°C]	100
Minimum operating temperature [°C]	-30

The hygienic connection gasket DIN 11851 made of high‑quality NBR (nitrile rubber) is designed to ensure reliable sealing and long‑lasting performance in demanding industrial environments. Resistant to temperatures ranging from -30°C to +100°C, it provides excellent flexibility and durability, maintaining its properties even under fluctuating thermal conditions. Thanks to the hygienic design, the gasket is ideal for applications in the food, beverage, and pharmaceutical industries, where cleanliness and safety are top priorities. The use of NBR material guarantees strong resistance to oils, fats, and many common process fluids, making it a versatile and cost‑effective sealing solution. Easy to install and replace, this gasket helps minimize downtime while ensuring secure and leak‑free connections, supporting efficient and uninterrupted production processes.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
NH-DUN-010	DIN 11851 gasket DN10, NBR	-	-	In stock	Enquiry
NH-DUN-015	DIN 11851 gasket DN15, NBR	-	-	In stock	Enquiry
NH-DUN-020	DIN 11851 gasket DN20, NBR	-	-	In stock	Enquiry
NH-DUN-025	DIN 11851 gasket DN25, NBR	-	-	In stock	Enquiry
NH-DUN-032	DIN 11851 gasket DN32, NBR	-	-	In stock	Enquiry
NH-DUN-040	DIN 11851 gasket DN40, NBR	-	-	In stock	Enquiry
NH-DUN-050	DIN 11851 gasket DN50, NBR	-	-	In stock	Enquiry
NH-DUN-065	DIN 11851 gasket DN65, NBR	-	-	In stock	Enquiry
NH-DUN-080	DIN 11851 gasket DN80, NBR	-	-	In stock	Enquiry
NH-DUN-100	DIN 11851 gasket DN100, NBR	-	-	In stock	Enquiry
NH-DUN-125	DIN 11851 gasket DN125, NBR	-	-	In stock	Enquiry
NH-DUN-150	DIN 11851 gasket DN150, NBR	-	-	In stock	Enquiry

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The hygienic connection gasket DIN 11851 made of high‑quality NBR (nitrile rubber) is designed to ensure reliable sealing and long‑lasting performance in demanding industrial environments. Resistant to temperatures ranging from -30°C to +100°C, it provides excellent flexibility and durability, maintaining its properties even under fluctuating thermal conditions. Thanks to the hygienic design, the gasket is ideal for applications in the food, beverage, and pharmaceutical industries, where cleanliness and safety are top priorities. The use of NBR material guarantees strong resistance to oils, fats, and many common process fluids, making it a versatile and cost‑effective sealing solution. Easy to install and replace, this gasket helps minimize downtime while ensuring secure and leak‑free connections, supporting efficient and uninterrupted production processes.