What is the operating temperature range for the Coupling gasket NOR, NBR used in symmetrical connections?

The operating temperature range for the Coupling gasket NOR, NBR (used in symmetrical connections) is from -10Â°C to +80Â°C.

Can the Coupling gasket NOR, NBR withstand exposure to oils or chemicals commonly used in symmetrical connections?

Coupling gasket NOR, NBR Format: NBR (nitrile rubber) offers good resistance to many mineral oils, greases and common hydraulic fluids, so it is generally suitable for exposure to oils used in symmetrical connections. However, NBR has limited resistance to aromatic hydrocarbons, ketones, strong acids, brake fluids with glycol ethers and some solvents; prolonged contact with such chemicals can cause swelling, hardening or loss of sealing properties. Operating temperature range (â10Â°C to +80Â°C) is compatible with typical oil applications but may reduce flexibility near limits. Recommendation: verify the specific oil/chemical compatibility (manufacturerâs chemical data or compatibility charts) and, for aggressive media, consider alternative materials (e.g., FKM/Viton) or testing before use.

Is the Coupling gasket NOR, NBR suitable for repeated assembly and disassembly in symmetrical connections?

Coupling gasket NOR, NBR Format: Given the material (NBR) and the specified operating temperature range (â10Â°C to +80Â°C), Coupling gasket NOR, NBR is generally suitable for repeated assembly and disassembly in symmetrical connections, with some practical limits. Why it is suitable: - NBR (nitrile rubber) offers good elasticity and resilience, enabling the gasket to recover after compression and maintain a seal through multiple cycles. - The temperature range provided is appropriate for typical NBR performance; within â10Â°C to +80Â°C the material retains flexibility and sealing properties, reducing the risk of cracking or permanent set during normal use. - Designed for symmetrical connections, the gasketâs geometry and material compatibility support consistent sealing when reassembled in the same orientation. Limitations and considerations: - Repeated cycles accelerate wear: mechanical abrasion, compression set, and gradual hardening can reduce sealing effectiveness over time. Expect a finite service life depending on cycle frequency and assembly torque. - Chemical exposure: NBR is resistant to oils and some fuels but can be attacked by certain solvents, ozone, and aggressive chemicals. Exposure will shorten usability for repeated assemblies. - Surface condition and installation: Damage, contamination, or uneven flange surfaces increase leakage risk after reassembly. Proper cleaning and careful handling are essential. - Extreme conditions: Near the temperature limits or under high pressure, the gasket may age faster and become less reliable for many reassemblies. Conclusion: Coupling gasket NOR, NBR Format is suitable for repeated assembly and disassembly in symmetrical connections under normal operating conditions within the stated temperature range, provided it is not exposed to incompatible chemicals, excessive mechanical stress, or extreme temperatures. Regular inspection and replacement according to wear are recommended.

Coupling gasket NOR, NBR

All products, Symmetrical claw couplings/

Additional information

Maximum operating temperature [°C]	80
Minimum operating temperature [°C]	-10

Seal for symmetrical connections standard NOR. Material: NBR. Operating temperature: from -10°C to +80°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
GP-NOR5040	NOR gasket 50 mm, NBR	-	-	In stock	Enquiry
GP-NOR5050	NOR gasket 66 mm, NBR	-	-	In stock	Enquiry
GP-NOR5065	NOR gasket 83 mm, NBR	-	-	In stock	Enquiry