Is the STORZ Firefighter Coupling with BSP Female Thread, Aluminum compatible with standard BSP hoses and fittings up to 16 bar?

Yes. The STORZ Firefighter Coupling with BSP Female Thread, Aluminum is compatible with standard BSP hoses and fittings and is rated for working pressures up to 16 bar. Its internal BSP thread allows direct connection to BSP-threaded components, and the durable aluminum construction, symmetrical Storz design, large flow bore, and NBR rubber seal ensure a secure, leak-free joint suitable for firefighting and other fluid-transfer applications.

Can the STORZ Firefighter Coupling with BSP Female Thread, Aluminum be used with food-grade liquids and meet hygiene standards for food processing applications?

Yes — the STORZ Firefighter Coupling with BSP Female Thread, Aluminum can be used with food‑grade liquids and in food processing environments, with some important conditions. Why it’s suitable: - Body material: aluminum is commonly used in food equipment when properly alloyed and finished; it is durable and corrosion‑resistant for many food applications. - Seal: the coupling is fitted with a white NBR (nitrile) rubber seal. NBR offers good chemical and temperature resistance and is frequently used in food handling where compatible with the specific fluid and temperatures. - Design: large unobstructed flow and symmetrical, leak‑tight connection support hygienic flow and easy cleaning. Conditions and caveats: - Certification: the product description does not state specific food‑grade certifications (e.g., FDA, EU 1935/2004, NSF). For regulated food processing you must verify the manufacturer provides documented food‑contact compliance. - Seal compatibility: NBR is acceptable for many food liquids but not all (e.g., certain oils, aggressive cleaners, or high‑temperature sterilization may require EPDM, FKM, or silicone). Confirm chemical and temperature compatibility with your fluids and cleaning agents. - Surface finish and cleaning: ensure the aluminum surface finish and joint geometry meet your hygiene and cleanability requirements (no crevices, appropriate surface roughness) and that the coupling can withstand your cleaning/sanitizing procedures (CIP/SIP). - Traceability and documentation: obtain material declarations, certificates of conformity, and cleaning/maintenance guidance from the supplier. Conclusion: Technically suitable in many cases, but only use in food processing after obtaining supplier documentation of food‑contact compliance and verifying seal/material compatibility with your specific liquids and cleaning regimes.

STORZ Firefighter Coupling with BSP Female Thread, Aluminum

All products, Symmetrical claw couplings/

Additional information

Material	AL – aluminum

The STORZ coupling with internal BSP thread is a reliable and versatile solution designed for installations transporting liquids and bulk materials across a wide range of industries, including firefighting, irrigation, agriculture, food processing, and chemical applications. Crafted from durable aluminum, it ensures long-lasting performance even under demanding conditions, while its working pressure of up to 16 bar guarantees safe and efficient operation. Thanks to its symmetrical design, the coupling allows for quick and effortless connection with other elements of the same hook spacing, ensuring a secure and leak-free fit. The large, unobstructed flow diameter maximizes throughput, reducing resistance and optimizing system efficiency. Equipped with a high-quality white NBR rubber seal, it provides excellent resistance to wear, chemicals, and temperature variations, making it a dependable choice for both professional and industrial use. This coupling combines strength, precision, and ease of use, offering a practical and cost-effective solution for modern fluid transfer systems.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
ST-37-200200-14	Coupling GW 2" / GW 2" BSP, Al	-	16	In stock	Enquiry
ST-37-200250-14	Coupling GW 2" / GW 2.1/2" BSP, Al	-	16	In stock	Enquiry
ST-37-200300-14	Coupling GW 2" / GW 3" BSP, Al	-	16	In stock	Enquiry
ST-37-250250-14	Coupling GW 2.1/2" / GW 2.1/2" BSP, Al	-	16	In stock	Enquiry
ST-37-250300-14	Coupling GW 2.1/2" / GW 3" BSP, Al	-	16	In stock	Enquiry
ST-37-250400-14	Coupling GW 2.1/2" / GW 4" BSP, Al	-	16	In stock	Enquiry
ST-37-300300-14	Coupling GW 3" / GW 3" BSP, Al	-	16	In stock	Enquiry
ST-37-300400-14	Coupling GW 3" / GW 4" BSP, Al	-	16	In stock	Enquiry
ST-37-400400-14	Coupling GW 4" / GW 4" BSP, Al	-	16	In stock	Enquiry
ST-37-400500-14	Coupling GW 4" / GW 5" BSP, Al	-	16	In stock	Enquiry
ST-37-500500-14	Coupling GW 5" / GW 5" BSP, Al	-	16	In stock	Enquiry
ST-37-500600-14	Coupling GW 5" / GW 6" BSP, Al	-	16	In stock	Enquiry

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The STORZ coupling with internal BSP thread is a reliable and versatile solution designed for installations transporting liquids and bulk materials across a wide range of industries, including firefighting, irrigation, agriculture, food processing, and chemical applications. Crafted from durable aluminum, it ensures long-lasting performance even under demanding conditions, while its working pressure of up to 16 bar guarantees safe and efficient operation. Thanks to its symmetrical design, the coupling allows for quick and effortless connection with other elements of the same hook spacing, ensuring a secure and leak-free fit. The large, unobstructed flow diameter maximizes throughput, reducing resistance and optimizing system efficiency. Equipped with a high-quality white NBR rubber seal, it provides excellent resistance to wear, chemicals, and temperature variations, making it a dependable choice for both professional and industrial use. This coupling combines strength, precision, and ease of use, offering a practical and cost-effective solution for modern fluid transfer systems.