Is the STORZ fireman's reduction, brass compatible with other Storz couplings and seals rated for 16 bar?

Yes. The STORZ fireman's reduction, brass is compatible with other Storz couplings and seals rated for 16 bar, provided they share the same hook spacing and use NBR (black rubber) seals. Reasoning: - The coupling is described as having a symmetrical connecting part and the specification explicitly states that elements with the same spacing of hooks can be connected, which is the core compatibility requirement for Storz fittings. - Material (brass) does not prevent mating with other Storz couplings; it affects corrosion resistance and durability but not mechanical fit. - Working pressure is 16 bar and the seal is black NBR rubber; to maintain pressure rating and leak-tight performance, mate it with couplings and seals also rated for 16 bar and using compatible NBR or equivalent seals. In short: compatible if the other Storz parts have the same hook spacing and are rated for 16 bar (and ideally use compatible NBR seals).

Can STORZ fireman's reduction, brass be used for food-grade liquids and meet hygiene standards?

STORZ fireman's reduction, brass may be suitable for some food-grade liquid applications but with important caveats. Brass can leach lead and other metals; to meet food and hygiene standards you must verify the brass alloy is certified for potable/food contact (e.g., lowâlead or dezincificationâresistant grades) and that all certifications (EU/US food contact regulations) are provided by the manufacturer. The black NBR rubber seal is not inherently foodâgrade - confirm it is an FDA/ECâapproved foodâgrade NBR or replace with approved material (e.g., EPDM or FDAâgrade NBR). Ensure cleaning/sanitation compatibility and resistance to the specific liquid, and that the working pressure (16 bar) suits the application. In short: possible if supplier certifies both brass alloy and seal as foodâcontact compliant and hygiene requirements are met.

Can STORZ fireman's reduction, brass withstand saline or corrosive environments without additional protection?

STORZ fireman's reduction, brass. can it withstand saline or corrosive environments without additional protection? No. Brass offers some natural corrosion resistance and is suitable for many applications (firefighting, irrigation, food industry, chemical handling), but in saline or strongly corrosive environments it is not fully immune and additional protection or material choice is recommended. Why: - Brass (an alloy of copper and zinc) resists general atmospheric corrosion and many nonâaggressive media, but chloride ions (saline environments) and certain aggressive chemicals promote dezincification and pitting, weakening the alloy over time. - The described fitting uses a black NBR rubber seal and is rated to 16 bar; these features do not prevent galvanic or chemical corrosion of the brass body. - Continuous exposure to seawater, salt spray, acids, alkalis, or oxidizing agents can reduce service life and compromise mechanical integrity and sealing. Recommendations: - For prolonged saline or corrosive exposure use corrosionâresistant materials (stainless steel grade suitable for chloride environments, bronze, or specially treated/brass alloys with dezincification resistance). - Apply protective coatings (marineâgrade paints, nickel/chrome plating) or sacrificial anodes to slow corrosionâensure coatings are compatible with fluid and pressure conditions. - Consider periodic inspection and replacement intervals if using brass in marginal environments. - Verify compatibility of NBR seals with the specific chemical media; some chemicals require different elastomers (EPDM, FKM). Conclusion: STORZ fireman's reduction, brass may be acceptable for intermittent or mild exposure, but for saline or aggressive corrosive environments you should not rely on brass aloneâchoose more resistant materials or protective measures.

STORZ fireman’s reduction, brass

All products, Symmetrical claw couplings/

Additional information

Material	B – brass (bronze)

STORZ reducing coupling 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, allowing for easy connection. Elements with the same spacing of hooks can be connected. Material: brass. Working pressure: 16 bar. Seal: black NBR rubber.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
ST-35-089066-30	STORZ reducer 89x66 mm, brass	-	16	In stock	0 zł		Enquiry

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STORZ reducing coupling 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, allowing for easy connection. Elements with the same spacing of hooks can be connected. Material: brass. Working pressure: 16 bar. Seal: black NBR rubber.