Is the STORZ Aluminum Firefighter Hose Coupling with Hose End rated for continuous use at 16 bar and compatible with standard firefighting hoses?

Yes. The STORZ Aluminum Firefighter Hose Coupling with Hose End is rated for continuous use up to 16 bar and is designed for standard firefighting hose applications. Its cast-aluminum construction provides durability under demanding conditions, the wide unobstructed flow diameter preserves hydraulic performance, and the symmetrical Storz connection enables quick mating with other couplings of the same hook spacing. The included white NBR rubber seal delivers reliable tightness and wear resistance, making the coupling suitable and widely used in firefighting as well as irrigation, agriculture, chemical and food-industry installations.

Can the STORZ Aluminum Firefighter Hose Coupling with Hose End be used with corrosive liquids or in chemically aggressive environments?

The STORZ Aluminum Firefighter Hose Coupling with Hose End is suitable for many applications, including use in the chemical sector, but suitability for corrosive liquids or highly aggressive chemical environments depends on the specific chemicals involved. Key points: - Material: Made of cast aluminum, which offers strength and corrosion resistance in many environments but can be attacked by strong alkalis, chlorides, or acidic mixtures depending on concentration and temperature. - Seal: Uses a white NBR (nitrile) rubber seal, which resists oils, fuels and many common chemicals but has limited resistance to strong acids, strong oxidizers, ketones, and certain chlorinated hydrocarbons. - Pressure and design: Rated to 16 bar with a wide unobstructed flow—mechanically robust but chemical compatibility is a separate issue. Recommendation: For corrosive or chemically aggressive fluids, check the chemical compatibility of cast aluminum and NBR with the specific fluid, concentration and temperature. If compatibility is uncertain or the fluid is highly corrosive/oxidizing, consider alternative materials (stainless steel, brass, or specialized elastomers like EPDM, FKM) or consult the manufacturer for guidance and qualification.

STORZ Aluminum Firefighter Hose Coupling with Hose End

All products, Symmetrical claw couplings/

Additional information

Material	AL – aluminum

The STORZ coupling for pressure hoses with hose end is a reliable and versatile solution designed for installations transmitting liquids and bulk substances. Its wide, unobstructed flow diameter ensures efficient performance, while the symmetrical connection system allows for quick and effortless coupling of elements with identical hook spacing. Manufactured from durable cast aluminum, this coupling guarantees strength and long-lasting use even under demanding conditions. With a working pressure of up to 16 bar and a high-quality white NBR rubber seal, it provides excellent tightness and resistance to wear. Widely applied in firefighting, irrigation systems, agriculture, the chemical sector, and the food industry, it offers a universal and professional connection standard trusted across multiple fields.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
ST-11-059045-16	STORZ connector 59 mm with end for 45 mm pressure hose, Al	45	16
ST-11-066040-16	STORZ connector 66 mm with end for 40 mm pressure hose, Al	40	16
ST-11-066042-16	STORZ connector 66 mm with end for pressure hose 42 mm, Al	40	16
ST-11-066045-16	STORZ connector 66 mm with end for 45 mm pressure hose, Al	45	16
ST-11-066052-16	STORZ connector 66 mm with end for pressure hose 52 mm, Al	50	16
ST-11-066052-25	STORZ connector 66 mm with end for pressure hose 52 mm, aluminum casting	50	6
ST-11-066055-16	STORZ connector 66 mm with end for pressure hose 55 mm, Al	55	16
ST-11-081052-16	STORZ connector 81 mm with end for pressure hose 52 mm, Al	50	16
ST-11-081065-16	STORZ connector 81 mm with end for pressure hose 65 mm, Al	65	16
ST-11-081075-16	STORZ connector 81 mm with end for 75 mm pressure hose, Al	75	16
ST-11-089065-16	STORZ connector 89 mm with end for pressure hose 65 mm, Al	65	16
ST-11-089070-16	STORZ connector 89 mm with end for pressure hose 70 mm, Al	70	16
ST-11-089075-16	STORZ connector 89 mm with end for 75 mm pressure hose, Al	75	16
ST-11-089075-25	STORZ connector 89 mm with end for 75 mm pressure hose, aluminum casting	75	6
ST-11-115100-16	STORZ connector 115 mm with end for 100 mm pressure hose, Al	100	16
ST-11-133100-11	STORZ connector 133 mm with end for 100 mm pressure hose, Al	100	16
ST-11-133110-11	STORZ connector 133 mm with end for pressure hose 110 mm, Al	110	16

The STORZ coupling for pressure hoses with hose end is a reliable and versatile solution designed for installations transmitting liquids and bulk substances. Its wide, unobstructed flow diameter ensures efficient performance, while the symmetrical connection system allows for quick and effortless coupling of elements with identical hook spacing. Manufactured from durable cast aluminum, this coupling guarantees strength and long-lasting use even under demanding conditions. With a working pressure of up to 16 bar and a high-quality white NBR rubber seal, it provides excellent tightness and resistance to wear. Widely applied in firefighting, irrigation systems, agriculture, the chemical sector, and the food industry, it offers a universal and professional connection standard trusted across multiple fields.