Is the STORZ Firefighter Connector with Flange, Stainless Steel compatible with other Storz couplings and standard flange sizes?

Yes. The STORZ Firefighter Connector with Flange, Stainless Steel is compatible with other Storz couplings that share the same hook spacing and coupling profile—its symmetrical Storz design allows identical elements to mate quickly and securely. Additionally, because it is supplied with a flange connection, it is compatible with standard flange sizes when the mating flange matches the same bolt pattern and nominal size. For reliable interoperability, ensure the other Storz coupling has the same coupling size/design and the flange matches the standard bolt circle and diameter for the intended pressure rating.

Can the STORZ Firefighter Connector with Flange, Stainless Steel be used with non-stainless steel fittings or adaptors without compromising the seal and corrosion resistance?

Short answer: Generally not recommended without caution. Reasoning: - The STORZ Firefighter Connector with Flange, Stainless Steel is designed as an integrated stainless-steel system with a Viton seal. Stainless steel provides superior corrosion resistance and maintains a stable, smooth sealing surface. - Using non-stainless fittings or adaptors can introduce galvanic corrosion at the junction (steel vs. dissimilar metals), surface roughness differences, and differential thermal expansion — all of which can compromise the mechanical fit and the effectiveness of the Viton seal over time. - Chemically aggressive environments or cyclic loading/temperature changes increase the risk that a non-stainless mate will accelerate corrosion or deform, creating leaks or contaminating the media. When it can be done safely: - If the adaptor is made from a compatible material (e.g., high-quality brass or coated carbon steel specified as compatible by the manufacturer) and has a precisely machined, smooth sealing face, and if corrosion protection (isolating gaskets, protective coatings, or dielectric fittings) is applied, the seal and corrosion resistance can be preserved. - Confirm compatibility for your specific fluid, pressure (up to 16 bar), temperature range, and service conditions. Manufacturer guidance or material compatibility data should be consulted. Recommendation: Use stainless-steel fittings/adaptors whenever possible. If you must use non-stainless components, consult the STORZ connector manufacturer or a corrosion/materials specialist to verify compatibility and mitigation measures.

STORZ Firefighter Connector with Flange, Stainless Steel

All products, Symmetrical claw couplings/

Additional information

Material	SS – stainless steel

The STORZ coupling with flange connection is a highly reliable solution designed for demanding transmission systems handling liquids and bulk materials. Engineered from durable stainless steel, it ensures long-lasting performance even in intensive applications such as firefighting, irrigation, chemical processing, food production, and agriculture. Its symmetrical connection system allows for quick and effortless assembly, as elements with identical hook spacing can be joined seamlessly, saving valuable time during installation and operation. The coupling features a wide, unobstructed flow diameter, guaranteeing efficient throughput without unnecessary resistance. With a working pressure of up to 16 bar and a high-quality Viton seal, it provides excellent resistance to chemicals, temperature fluctuations, and wear, ensuring maximum safety and reliability. This robust and versatile component is the perfect choice for industries that demand efficiency, durability, and ease of use in every connection.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
ST-36-031025-43	STORZ connector 31 mm with flange DN 25, SS	-	16
ST-36-066050-43	STORZ connector 66 mm with flange DN 50, SS	-	16
ST-36-081065-43	STORZ connector 81 mm with flange DN 65, SS	-	16
ST-36-089080-43	STORZ connector 89 mm with flange DN 80, SS	-	16
ST-36-133100-43	STORZ connector 133 mm with flange DN 100, SS	-	16
ST-36-148125-43	STORZ connector 148 mm with flange DN 125, SS	-	16
ST-36-160150-43	STORZ connector 160 mm with flange DN 150, SS	-	16

The STORZ coupling with flange connection is a highly reliable solution designed for demanding transmission systems handling liquids and bulk materials. Engineered from durable stainless steel, it ensures long-lasting performance even in intensive applications such as firefighting, irrigation, chemical processing, food production, and agriculture. Its symmetrical connection system allows for quick and effortless assembly, as elements with identical hook spacing can be joined seamlessly, saving valuable time during installation and operation. The coupling features a wide, unobstructed flow diameter, guaranteeing efficient throughput without unnecessary resistance. With a working pressure of up to 16 bar and a high-quality Viton seal, it provides excellent resistance to chemicals, temperature fluctuations, and wear, ensuring maximum safety and reliability. This robust and versatile component is the perfect choice for industries that demand efficiency, durability, and ease of use in every connection.