Is the STORZ firefighter connector with flange connection, stainless steel compatible with potable food and chemical transfer applications?

Yes . the STORZ firefighter connector with flange connection, stainless steel is generally compatible with food and many chemical transfer applications, based on the provided description: - Material: stainless steel is commonly used for potable food, beverage and many chemical services because it is corrosion-resistant and hygienic. - Seal: Viton (fluoroelastomer) offers excellent chemical resistance (fuels, oils, many solvents) and high temperature performance, but it is not universally compatible with all chemicals and is not the first choice for potable water where some operators prefer food-grade elastomers (e.g., EPDM or FDA-compliant silicone). Viton is not typically certified as food-contact safe for all jurisdictions. - Flow and design: large unobstructed diameter and symmetrical connection support sanitary flow and easy cleaning/maintenance. Working pressure of 16 bar is adequate for many transfer tasks. Conclusion/recommendation: For non-food chemical transfer and many industrial food-processing uses the connector is suitable. For potable food/drink or regulated food-contact applications you should verify: (1) the specific stainless steel grade (preferably 1.4301/304 or 1.4404/316L), (2) certification of the seal (FDA/EC food contact compliance), and (3) any required sanitary finishes or surface roughness (Ra) and cleaning compatibility. If Viton seal is not certified for your potable food use, request a food-grade seal alternative.

Can the STORZ firefighter connector with flange connection, stainless steel withstand continuous exposure to aggressive chemicals and high-temperature fluids?

The STORZ firefighter connector with flange connection, stainless steel offers strong resistance to many aggressive chemicals and high-temperature fluids due to its stainless steel construction and Viton seal. Stainless steel provides good corrosion resistance and mechanical strength; Viton seals resist oils, fuels, and many chemicals and perform well at elevated temperatures. However, true compatibility depends on the specific chemical agents, their concentrations, temperatures and exposure duration. Some highly corrosive substances (e.g., strong acids, chlorides, halogens) or prolonged exposure at extreme temperatures may still cause degradation. For continuous exposure in aggressive or highâtemperature service, verify compatibility with the exact chemicals and conditions and consult material chemical-resistance charts or the manufacturer for confirmation.

Does the STORZ firefighter connector with flange connection, stainless steel meet sanitary standards for food-grade transfers?

The STORZ firefighter connector with flange connection, stainless steel has several features favorable for sanitary, food-grade transfers: stainless steel construction (commonly used in food industry for corrosion resistance and cleanability), large unobstructed flow diameter (reduces areas where product can stagnate), symmetrical smooth design for easy connection, and Viton seal (chemical-resistant elastomer). However, meeting sanitary standards for food-grade transfers depends on specific certifications, surface finish, and seal compatibility with the particular food product and cleaning regime. Key points to verify before declaring it food-grade: - Material specification: confirm the stainless steel grade (e.g., AISI 304 or 316). 316 is normally preferred for aggressive or high-salt food applications. - Surface finish: certified sanitary fittings typically have a high-polish internal finish (e.g., Ra â¤ 0.8 Âµm) to prevent bacterial harborage. - Seal suitability: Viton (FKM) is FDA-listed only for limited applications; it is generally more suitable for oils and some chemicals but may not be acceptable for all foodstuffs or for high-temperature CIP (clean-in-place) procedures. EPDM or food-grade silicone are often preferred for broad food compatibility. - Certifications: check for relevant approvals such as FDA, EU Regulation (EC) No 1935/2004, NSF, or 3-A sanitary standards. - Cleanability and CIP compatibility: confirm the connector and flange design allow effective cleaning and that materials withstand cleaning agents and temperatures used. Conclusion: The STORZ firefighter connector with flange connection, stainless steel has a construction that can be compatible with food-industry use, but you must confirm stainless grade, internal surface finish, Viton suitability for your product and cleaning process, and obtain appropriate sanitary certifications before using it for food-grade transfers.

A STORZ fire coupling with a flange connection, steel stainless

All products, Symmetrical claw couplings/

Additional information

Material	SS – stainless steel

A STORZ coupling with a flange connection 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: steel stainless. Working pressure: 16 bar. Gasket: Viton.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
ST-36-031025-43	Coupling STORZ 31 mm with a flange DN 25, SS	-	16	In stock	Enquiry
ST-36-066050-43	Coupling STORZ 66 mm with a flange DN 50, SS	-	16	In stock	Enquiry
ST-36-081065-43	Coupling STORZ 81 mm with a flange DN 65, SS	-	16	In stock	Enquiry
ST-36-089080-43	Coupling STORZ 89 mm with a flange DN 80, SS	-	16	In stock	Enquiry
ST-36-133100-43	Coupling STORZ 133 mm with a flange DN 100, SS	-	16	In stock	Enquiry
ST-36-148125-43	Coupling STORZ 148 mm with a flange DN 125, SS	-	16	In stock	Enquiry
ST-36-160150-43	Coupling STORZ 160 mm with a flange DN 150, SS	-	16	In stock	Enquiry

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A STORZ coupling with a flange connection 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: steel stainless. Working pressure: 16 bar. Gasket: Viton.