Is the STORZ firefighter connector with hose end under RS clamp, brass compatible with food-grade applications and safe for food contact?

Short answer: Probably yes for many food-related uses, but with important caveats . verify supplier certification and suitability for your specific food contact conditions. Explanation: The STORZ firefighter connector with hose end under RS clamp, brass is described for use in the food industry and is made of brass with a black NBR (nitrile) rubber seal. Brass is commonly used in food-handling fittings, and NBR is often acceptable for many food-contact applications (especially oils and aqueous solutions). However âsuitable for food industryâ in a general product description does not guarantee compliance with specific food-contact regulations or with all food types, temperatures, cleaning agents, and process conditions. What you should confirm before using it for food contact: - Regulatory certification: ask the manufacturer for documentation proving compliance with applicable standards (e.g., FDA CFR 21 for food contact in the US, EU Regulation 1935/2004, or relevant national standards). - Brass composition: lead content must meet food-contact limits (e.g., lowâlead or leadâfree alloys where required). - Seal certification: confirm the NBR compound is formulated and certified for food contact and for the temperatures/chemicals in your process (some NBR grades are food-grade, others are not). - Cleaning and sterilization compatibility: verify resistance to your cleaning agents, hot water, steam, or CIP procedures. - Traceability and hygiene design: confirm surface finish, porosity, and ease of cleaning meet your hygiene requirements. Conclusion: The product can be compatible with food-grade applications, but only after obtaining manufacturer declarations/certifications on alloy composition and seal formulation and ensuring compatibility with your specific food, temperatures, and cleaning methods.

Can the STORZ firefighter connector with hose end under RS clamp, brass withstand chemical cleaning agents used in industry?

The STORZ firefighter connector with hose end under RS clamp, brass can tolerate many common industrial cleaning agents, but compatibility depends on the specific chemical, concentration and temperature. Key points: - Body material: brass offers good resistance to neutral and mildly alkaline cleaners, detergents and many organic solvents, but is susceptible to corrosion from strong acids (e.g. hydrochloric, sulfuric), strong alkalis at high concentrations/temperatures, and ammonia-based or chlorinated bleach environments. - Seal: black NBR rubber is resistant to oils, fuels and many water-based detergents but degrades with ketones, some chlorinated hydrocarbons, concentrated acids/alkalis and high-temperature steam. - Working pressure 16 bar and large flow are unaffected by cleaning agents unless materials are chemically attacked. Recommendation: verify chemical compatibility of both brass and NBR with the specific cleaning agent (concentration, temperature, exposure time). For aggressive chemicals consider alternative materials (e.g. stainless steel body, FKM/EPDM seals) or protective measures.

Does the STORZ firefighter connector with hose end under RS clamp, brass resist saltwater and marine environments?

Yes. the STORZ firefighter connector with hose end under RS clamp, brass is suitable for use in saltwater and marine environments, with some caveats. Why itâs suitable: - Material: brass offers good general corrosion resistance including resistance to seawater compared with many ferrous metals. - Seal: the black NBR (nitrile) rubber seal is resistant to oils and many chemicals and performs well in typical firefighting and marine applications. - Design: robust, large unobstructed flow and symmetrical coupling reduce crevice corrosion risks and allow reliable connections. Caveats and recommendations: - Brass can still suffer dezincification and dezincification-related embrittlement in long-term exposure to aggressive marine or high-chloride environments, especially if the alloy contains higher zinc content. Confirm the specific brass alloy/standard from the manufacturer for marine-grade performance. - NBR has limited resistance to ozone, some solvents, and very high temperatures; for prolonged UV/salt spray exposure or specialty chemicals, consider alternative elastomers (e.g., EPDM or Viton) if specified by STORZ. - For continuous submersion, splash zones, or offshore use, additional protective measures (coatings, sacrificial anodes, regular inspection and maintenance) are recommended. Conclusion: The STORZ firefighter connector with hose end under RS clamp, brass is generally resistant to saltwater and appropriate for many marine and coastal firefighting usages, but verify the exact brass alloy and consider environmental exposure, inspection intervals, or alternative materials for long-term or highly aggressive marine conditions.

A STORZ fire coupling with fitting for hose for an RS clamp, brass

All products, Symmetrical claw couplings/

Additional information

Material	B – brass (bronze)

A STORZ coupling with a hose end for an RS clamp intended for transfer installations for liquid and bulk substances. Used in firefighting, irrigation systems, the chemical and food industry, agriculture, etc.. Characterized by a large, unobstructed flow diameter. With a symmetrical design of the connection part, thanks to which they can be easily connected together. Parts with the same lug spacing can be connected. Material: brass. Working pressure: 16 bar. Gasket: black NBR rubber.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
ST-13-031025-30	Coupling STORZ 31 mm with Fitting RS for 25 mm hose, Ms	25	16	In stock	0 zł		Enquiry

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A STORZ coupling with a hose end for an RS clamp intended for transfer installations for liquid and bulk substances. Used in firefighting, irrigation systems, the chemical and food industry, agriculture, etc.. Characterized by a large, unobstructed flow diameter. With a symmetrical design of the connection part, thanks to which they can be easily connected together. Parts with the same lug spacing can be connected. Material: brass. Working pressure: 16 bar. Gasket: black NBR rubber.