Is the STORZ Firefighter Connector with Corrugated Hose End, Aluminum compatible with standard firefighting hoses and fittings?

Yes. The STORZ Firefighter Connector with Corrugated Hose End, Aluminum is compatible with standard firefighting hoses and fittings that use the Storz coupling system. Its symmetric Storz design allows quick, tool-free connections between elements with identical hook spacing, common in firefighting equipment. Constructed from durable aluminum with a white NBR rubber seal and a large unobstructed flow diameter, it provides a leak-proof, high-throughput joint suitable for typical firefighting pressures (rated up to 16 bar). Ensure the mating hose or fitting matches the same Storz size and hook spacing to guarantee proper sealing and mechanical fit.

Can the STORZ Firefighter Connector with Corrugated Hose End, Aluminum be used with corrosive chemicals or food-grade fluids without additional lining or seals?

Short answer: Generally no — not without additional lining or appropriate sealing. Explanation: The STORZ Firefighter Connector with Corrugated Hose End, Aluminum is made of durable aluminum and includes an integrated white NBR (nitrile) rubber seal, which offers good chemical resistance to many oils, fuels and non-aggressive liquids and is widely used in fluid handling. However: - Corrosive chemicals: NBR and bare aluminum are not suitable for strong acids, strong alkalis, halogens, or other highly corrosive or oxidizing chemicals. Prolonged exposure can cause material degradation, swelling or corrosion. For such chemicals you need compatible materials (e.g., specific stainless steels, PVC/CPVC, PTFE-lined hoses) and chemical-resistant seals (e.g., FKM, EPDM, PTFE) or a protective lining. - Food-grade fluids: The connector is not explicitly certified as food-grade. NBR is generally not accepted for direct food contact in many jurisdictions; food applications typically require food-grade materials and seals (e.g., FDA-approved EPDM, silicone, or PTFE) and documentation/certification. If you intend to use it for potable water or food products, use couplings and seals with food-grade certification and appropriate traceability. Recommendation: Verify the specific chemical compatibility of aluminum and NBR with the fluid, consult material chemical-resistance charts, and consider upgrading to chemically compatible linings/seals or food-grade certified components where required.

STORZ Firefighter Connector with Corrugated Hose End, Aluminum

All products, Symmetrical claw couplings/

Additional information

Material	AL – aluminum

The STORZ coupling with corrugated hose end is a highly reliable solution designed for efficient transfer of liquids and bulk materials across a wide range of applications, including firefighting, irrigation systems, chemical processing, food production, and agriculture. Its symmetrical connection system ensures quick and effortless assembly, allowing elements with identical hook spacing to be joined seamlessly, which significantly reduces downtime and increases operational efficiency. The coupling is crafted from durable aluminum, offering excellent resistance to wear and corrosion, while the large, unobstructed flow diameter guarantees optimal throughput without unnecessary pressure loss. Engineered to withstand working pressures up to 16 bar, it delivers consistent performance even in demanding environments. The integrated white NBR rubber seal provides a secure, leak-proof connection, ensuring safety and reliability in every use. This robust and versatile coupling is an ideal choice for professionals seeking durability, efficiency, and ease of use in fluid and bulk material handling systems.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
ST-12-031013-11	STORZ connector 31 mm with serrated end for 13 mm hose, Al	12	16
ST-12-031019-11	STORZ connector 31 mm with serrated end for 19 mm hose, Al	20	16
ST-14-066052-11	STORZ connector 66 mm with grooved end for 51 mm hose, Al	50	16
ST-14-089076-11	STORZ connector 89 mm with grooved end for 76 mm hose, Al	75	16
ST-14-133102-11	STORZ connector 133 mm with grooved end for hose 102 mm, Al	100	16
ST-14-133110-11	STORZ connector 133 mm with grooved end for 110 mm hose, Al	110	16
ST-14-148127-11	STORZ connector 148 mm with grooved end for hose 127 mm, Al	125	16
ST-14-160152-11	STORZ connector 160 mm with grooved end for hose 152 mm, Al	160	16

The STORZ coupling with corrugated hose end is a highly reliable solution designed for efficient transfer of liquids and bulk materials across a wide range of applications, including firefighting, irrigation systems, chemical processing, food production, and agriculture. Its symmetrical connection system ensures quick and effortless assembly, allowing elements with identical hook spacing to be joined seamlessly, which significantly reduces downtime and increases operational efficiency. The coupling is crafted from durable aluminum, offering excellent resistance to wear and corrosion, while the large, unobstructed flow diameter guarantees optimal throughput without unnecessary pressure loss. Engineered to withstand working pressures up to 16 bar, it delivers consistent performance even in demanding environments. The integrated white NBR rubber seal provides a secure, leak-proof connection, ensuring safety and reliability in every use. This robust and versatile coupling is an ideal choice for professionals seeking durability, efficiency, and ease of use in fluid and bulk material handling systems.