Is the Flat gasket for STORZ firefighter connectors, black NBR rubber compatible with petroleum-based greases and oils?

Yes. The Flat gasket for STORZ firefighter connectors, black NBR rubber has limited resistance to petroleum-based greases and oils. NBR (nitrile) rubber generally resists many oils and greases better than many other elastomers, but its resistance is not universal: it performs well with aliphatic hydrocarbons and many mineral oils, yet can swell, soften or degrade with certain aromatic hydrocarbons, high concentrations of aggressive solvents, or prolonged contact at elevated temperatures. Given the product description specifies "limited resistance to greases and oils" and an operating temperature range of -40Â°C to +110Â°C, you should: - Avoid exposure to aggressive petroleum solvents, aromatic hydrocarbons, or prolonged immersion in oils beyond typical incidental contact. - Test the gasket in the specific grease/oil and temperature conditions of your application before relying on it for long-term service. - Consider a different material (e.g., fluoroelastomer/Viton) if you expect continuous exposure to harsh petroleum-based fluids or higher temperatures. In summary: compatible for limited or incidental contact with many petroleum-based greases and oils, but not recommended for continuous exposure to aggressive petroleum fluids without prior compatibility testing.

Can Flat gasket for STORZ firefighter connectors, black NBR rubber be used with vegetable-based or synthetic lubricants?

Flat gasket for STORZ firefighter connectors, black NBR rubber has limited resistance to greases and oils. NBR (nitrile) tolerates many mineral oils and some synthetic lubricants, but its compatibility with vegetable-based (biodegradable) or certain synthetic lubricants can be poor - they may swell, harden or degrade the gasket. Given the productâs âlimited resistanceâ note, avoid prolonged contact with unknown vegetable-based or synthetic lubricants. For occasional short-term use some compatible synthetic lubricants might be acceptable, but always verify with the lubricant manufacturer or run compatibility tests (swelling, hardness, sealing) before service. If in doubt, choose a gasket material specified as compatible with the particular lubricant.

Does the Flat gasket for STORZ firefighter connectors, black NBR rubber require special cleaning after exposure to oils?

Yes. Flat gasket for STORZ firefighter connectors, black NBR rubber requires special cleaning after exposure to oils. Reasoning and guidance: - Material and resistance: Black NBR rubber (nitrile) has limited resistance to greases and oils, so contact can cause swelling, softening or loss of sealing properties over time. - Immediate action: After exposure, wipe the gasket thoroughly with a clean, lint-free cloth to remove surface oil and debris. - Cleaning agents: Use a mild detergent solution or warm water with neutral soap. Avoid harsh solvents (e.g., ketones, strong hydrocarbons, aromatic solvents) and petroleum-based cleaners that can further degrade NBR. - Rinsing and drying: Rinse with clean water to remove soap residues and dry completely with a soft cloth or air dry before reassembly. - Inspection: After cleaning, inspect the gasket for swelling, cracking, hardening, stickiness, or permanent deformation. If any deterioration is present, replace the gasket. - Preventive practice: Minimize oil exposure, store gaskets away from oils and hydrocarbons, and consider replacing them more frequently in oil-prone environments. Following these steps helps maintain the sealing performance and service life of the Flat gasket for STORZ firefighter connectors, black NBR rubber.

A flat gasket for STORZ fire couplings, black NBR rubber

All products, Symmetrical claw couplings/

Additional information

Maximum operating temperature [°C]	110
Minimum operating temperature [°C]	-40

A flat gasket intended for couplings with a female thread. Limited resistance to greases and oils. Material: black NBR rubber. Operating temperature: from -40°C to +110°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
ST-91-003300-00	Gasket flat 88/76/3 (3" female), NBR black	-	-	In stock	0 zł		Enquiry

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A flat gasket intended for couplings with a female thread. Limited resistance to greases and oils. Material: black NBR rubber. Operating temperature: from -40°C to +110°C.