Is the STORZ Aluminum Firefighter Connector with Flange Connection compatible with standard 16 bar firefighting systems and interchangeable with other Storz fittings?

Yes. The STORZ Aluminum Firefighter Connector with Flange Connection is compatible with standard firefighting systems rated up to 16 bar—its working pressure is specified as up to 16 bar—making it suitable for typical high-pressure firefighting applications. Additionally, due to its symmetrical Storz connection and standardized hook spacing, it is interchangeable with other Storz fittings that share the same size and hook spacing, allowing quick, secure coupling with compatible Storz components.

Can the STORZ Aluminum Firefighter Connector with Flange Connection be used for transferring food-grade liquids without contaminating them?

Yes — the STORZ Aluminum Firefighter Connector with Flange Connection can be used for transferring food-grade liquids without contaminating them, with some caveats: - Materials: The coupling body is durable aluminum and the seal is white NBR (nitrile rubber). Both materials are commonly used in food-industry equipment; aluminum is inert for many foods and NBR is resistant to oils and many food fluids. However, NBR is not universally suitable for all food products (e.g., some aggressive solvents, strong acids, or high‑fat/high‑temperature applications may require alternative elastomers like EPDM or FDA‑grade silicone). - Cleanability and hygiene: The coupling’s large, unobstructed flow diameter supports high-capacity transfer and reduces areas where residue can accumulate, which aids cleaning. For strict food safety, ensure the coupling is cleaned and sanitized according to your process and that no surface damage (corrosion, pitting) is present. - Certification and traceability: The product description does not state specific food‑contact certifications (e.g., FDA, EU 1935/2004, NSF). For regulatory compliance and customer assurance, verify with the manufacturer whether the specific batch and NBR compound have food‑contact approvals. - Pressure and application suitability: With working pressure up to 16 bar and robust flange design, it is mechanically suitable for many food-transfer operations. Recommendation: Confirm with the manufacturer/supplier the exact alloy, surface finish, and NBR formulation and request any food‑contact certifications or material declarations. If your application involves high temperatures, fats/oils, or aggressive additives, consider requesting an alternative seal material certified for those conditions.

STORZ Aluminum Firefighter Connector with Flange Connection

All products, Symmetrical claw couplings/

Additional information

Material	AL – aluminum
Standard length [m]	10

The STORZ coupling with flange connection is a reliable solution designed for demanding transmission systems handling both liquids and bulk materials. Manufactured from durable aluminum, it ensures strength and longevity even under intensive use, while its white NBR rubber seal guarantees secure tightness and resistance to various media. With a working pressure of up to 16 bar, the coupling is perfectly suited for applications in firefighting, irrigation, agriculture, the chemical sector, and the food industry. Its symmetrical connection design allows for quick, effortless assembly, as elements with identical hook spacing can be easily joined, minimizing downtime and ensuring operational efficiency. The large, unobstructed flow diameter supports high-capacity transfer, making the coupling an excellent choice wherever speed, safety, and reliability are essential.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
ST-36-031025-11	STORZ connector 31 mm with flange DN 25, Al	-	16	In stock	Enquiry
ST-36-066040-11	STORZ connector 66 mm with flange DN 40 (galvanized steel), Al	-	16	In stock	Enquiry
ST-36-066050-11	STORZ connector 66 mm with flange DN 50, Al	-	16	In stock	Enquiry
ST-36-066065-11	STORZ connector 66 mm with flange DN 65, Al	-	16	In stock	Enquiry
ST-36-066080-11	STORZ connector 66 mm with flange DN 80, Al	-	16	In stock	Enquiry
ST-36-081050-11	STORZ connector 81 mm with flange DN 50, Al	-	16	In stock	Enquiry
ST-36-081065-11	STORZ connector 81 mm with flange DN 65, Al	-	16	In stock	Enquiry
ST-36-081080-11	STORZ connector 81 mm with flange DN 80, Al	-	16	In stock	Enquiry
ST-36-089050-11	STORZ connector 89 mm with flange DN 50, Al	-	16	In stock	Enquiry
ST-36-089065-11	STORZ connector 89 mm with flange DN 65, Al	-	16	In stock	Enquiry
ST-36-089080-11	STORZ connector 89 mm with flange DN 80, Al	-	16	In stock	Enquiry
ST-36-089100-11	STORZ connector 89 mm with flange DN 100, Al	-	16	In stock	Enquiry
ST-36-115100-11	STORZ connector 115 mm with flange DN 100, Al	-	16	In stock	Enquiry
ST-36-133080-11	STORZ connector 133 mm with flange DN 80, Al	-	16	In stock	Enquiry
ST-36-133100-11	STORZ connector 133 mm with flange DN 100, Al	-	16	In stock	Enquiry
ST-36-148125-11	STORZ connector 148 mm with flange DN 125, Al	-	16	In stock	Enquiry
ST-36-160150-11	STORZ connector 160 mm with flange DN 150, Al	-	16	In stock	Enquiry

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The STORZ coupling with flange connection is a reliable solution designed for demanding transmission systems handling both liquids and bulk materials. Manufactured from durable aluminum, it ensures strength and longevity even under intensive use, while its white NBR rubber seal guarantees secure tightness and resistance to various media. With a working pressure of up to 16 bar, the coupling is perfectly suited for applications in firefighting, irrigation, agriculture, the chemical sector, and the food industry. Its symmetrical connection design allows for quick, effortless assembly, as elements with identical hook spacing can be easily joined, minimizing downtime and ensuring operational efficiency. The large, unobstructed flow diameter supports high-capacity transfer, making the coupling an excellent choice wherever speed, safety, and reliability are essential.