Is the STORZ firefighter coupling with BSP female thread, aluminum compatible with other Storz couplings of the same hook spacing?

Yes . the STORZ firefighter coupling with BSP female thread, aluminum is compatible with other Storz couplings that have the same hook spacing. The product description states a symmetrical design of the connecting part and explicitly notes that elements with the same hook spacing can be connected. Because itâs aluminum, has an internal BSP thread, and uses a standard white NBR seal with a 16 bar working pressure and large unobstructed flow, it will mate properly with other Storz couplings of identical hook spacing regardless of minor variations, provided those other couplings conform to the same Storz dimensions and specifications.

Can the STORZ firefighter coupling with BSP female thread, aluminum be used for transporting food-grade liquids safely?

Yes - the STORZ firefighter coupling with BSP female thread, aluminum can be used for transporting food-grade liquids, with some conditions. The coupling is described for use in the food industry and made of aluminum with white NBR rubber seals. White NBR is commonly acceptable for many food-contact applications (oil- and fat-resistant), and aluminum is widely used in food equipment, but full food-safety compliance depends on specific certifications. Before use for food-grade liquids, verify: 1) NBR seal meets relevant food-contact standards (e.g., EU Reg. 1935/2004, FDA) for your product and temperature range; 2) aluminum alloy and any surface treatments/coatings are certified for food contact and compatible with the liquid (no corrosion/contamination); 3) cleaning/sanitization procedures are feasible without degrading seal or metal; 4) operating pressure/temp (16 bar) suits your application. If certifications are confirmed, the coupling is suitable.

Can the STORZ firefighter coupling with BSP female thread, aluminum be used in irrigation and agricultural chemical applications?

Yes. The STORZ firefighter coupling with BSP female thread, aluminum is suitable for irrigation and many agricultural chemical applications based on its specified design and materials. Key points: - Intended uses: The product description explicitly lists irrigation, agriculture, and the chemical industry among its intended applications. - Flow and connection: Its large, unobstructed diameter and symmetrical connecting design ensure efficient liquid transfer and easy mating between elements with the same hook spacing. beneficial for irrigation systems and bulk fluid handling. - Pressure rating: Rated to 16 bar, which covers typical irrigation pressures and many agricultural processing needs; confirm your systemâs maximum working pressure stays below this limit. - Seal and chemical compatibility: It uses a white NBR (nitrile rubber) seal. NBR is generally resistant to water, many fertilizers, and a wide range of oils and aqueous chemicals, but it has limited resistance to strong oxidizers, certain solvents, and some aggressive agrochemicals (e.g., concentrated acids, ketones). Verify compatibility of NBR with any specific chemicals (pesticides, herbicides, concentrated fertilizers) you plan to convey. - Material: Aluminum body is lightweight and corrosion-resistant in many environments but can be attacked by certain chemicals (strong alkalis, ammonium-based compounds in concentrated form). For prolonged exposure to aggressive agrochemicals or corrosive environments, consider stainless steel or specially coated versions. Recommendation: For general irrigation and many agricultural chemical uses the STORZ firefighter coupling with BSP female thread, aluminum will perform well. For specific chemicals or concentrated formulations, check chemical compatibility with NBR and aluminum or consult the manufacturer to ensure safe, long-term use.

STORZ firefighter coupling with BSP female thread, aluminum

All products, Symmetrical claw couplings/

Additional information

Material	AL – aluminum

STORZ coupling with internal BSP thread and internal BSP thread intended for transmission installations for liquid and bulk substances. Used in firefighting, irrigation systems, chemical industry, food industry, agriculture, etc. Characterized by a large, unobstructed diameter of flow. With a symmetrical design of the connecting part, it easily connects with each other. Elements with the same hook spacing can be connected. Material: aluminum. Working pressure: 16 bar. Seal: white NBR rubber.

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

Do you need a larger quantity of products or a bespoke quote?

Call us: +48 61 653 02 22 or email us: tubes@tubes-international.com

SEND ENQUIRY

STORZ coupling with internal BSP thread and internal BSP thread intended for transmission installations for liquid and bulk substances. Used in firefighting, irrigation systems, chemical industry, food industry, agriculture, etc. Characterized by a large, unobstructed diameter of flow. With a symmetrical design of the connecting part, it easily connects with each other. Elements with the same hook spacing can be connected. Material: aluminum. Working pressure: 16 bar. Seal: white NBR rubber.