Is the STORZ firefighter connector with hose end, stainless steel compatible with other Storz couplings of the same size and coupling spacing?

Yes. The STORZ firefighter connector with hose end, stainless steel is compatible with other Storz couplings that have the same nominal size and identical coupling spacing. Its symmetrical connecting design and standard Storz coupling spacing allow easy mating with matching Storz elements. Ensure matching size, coupling spacing and use of the same seal material (Viton recommended) and rated pressure (16 bar) for proper fit and safe operation.

Can the STORZ firefighter connector with hose end, stainless steel be used for transporting food-grade liquids without contamination?

Yes - the STORZ firefighter connector with hose end, stainless steel can be suitable for transporting food-grade liquids, provided certain conditions are met. Its stainless steel construction, large unobstructed flow diameter and symmetrical design reduce contamination risk and allow easy cleaning. However, the seal is Viton (fluoroelastomer), which is not universally approved for all food applications; compatibility must be verified for the specific liquid, temperature and regulatory standards (e.g., FDA, EU food contact). Also confirm cleaning/sanitization procedures, traceability of stainless grade, and any certifications required by your food-safety authority before use.

Does the STORZ firefighter connector with hose end, stainless steel require special maintenance to ensure viton seal longevity?

Yes. the STORZ firefighter connector with hose end, stainless steel requires some basic care to maximize the Viton sealâs life, though it is a durable design. Recommended maintenance: - Regular inspection: Check the Viton seal for cuts, cracks, hardening, swelling or chemical attack before and after use. Replace if any damage or significant deformation appears. - Clean after use: Rinse the seal and mating surfaces with fresh water to remove dirt, chemicals or residues from transported liquids (especially aggressive chemicals or oils). Dry thoroughly to avoid trapped moisture. - Avoid incompatible chemicals: Viton resists many fuels, oils and chemicals, but prolonged exposure to strong acids, amines, or highly alkaline solutions can degrade it. Verify chemical compatibility for the substances you handle and flush the coupling if compatibility is uncertain. - Lubrication: If recommended by your procedures, use a thin film of compatible lubricant designed for Viton (silicone or PTFE-based lubricants typically safe). Avoid petroleum-based greases that may attack elastomers. - Storage: Store couplings in a cool, dry, dark place away from direct sunlight, ozone sources, and heat to prevent accelerated aging of the Viton. - Avoid mechanical damage: Handle connectors to prevent nicks or abrasion to the seal and mating surfaces. Ensure proper alignment when connecting to avoid pinching. - Pressure checks: Periodically test assemblies at working pressure (up to the rated 16 bar) to confirm sealing integrity after maintenance or long storage. Following these routine steps will help ensure reliable sealing performance and extend the Viton seal life in the STORZ firefighter connector with hose end, stainless steel.

STORZ firefighter connector with hose end, stainless steel

All products, Symmetrical claw couplings/

Additional information

Material	SS – stainless steel

STORZ coupling with hose end designed 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 coupling spacing can be connected. Material: stainless steel. Working pressure: 16 bar. Seal: viton.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
ST-12-031025-43	STORZ connector 31 mm with end for 25 mm hose, SS	25	16
ST-12-051038-43	STORZ connector 51 mm with end for hose 38 mm, SS	38	16
ST-12-066019-43	STORZ connector 66 mm with end for 19 mm hose, SS	20	16
ST-12-066025-43	STORZ connector 66 mm with end for 25 mm hose, SS	25	16
ST-12-066032-43	STORZ connector 66 mm with end for 32 mm hose, SS	32	16
ST-12-066038-43	STORZ connector 66 mm with end for hose 38 mm, SS	38	16
ST-12-066040-43	STORZ connector 66 mm with end for hose 40 mm, SS	40	16
ST-12-066042-43	STORZ connector 66 mm with end for hose 42 mm, SS	40	16
ST-12-066045-43	STORZ connector 66 mm with end for hose 45 mm, stainless steel	45	16
ST-12-066050-43	STORZ connector 66 mm with end for hose 50 mm, SS	50	16
ST-12-066052-43	STORZ connector 66 mm with end for hose 52 mm, SS	50	16
ST-12-081038-43	STORZ connector 81 mm with end for 38 mm hose, SS	38	16
ST-12-081052-43	STORZ connector 81 mm with end for hose 52 mm, SS	50	16
ST-12-081065-43	STORZ coupling 81 mm with end for hose 65 mm, stainless steel	65	16
ST-12-081075-43	STORZ coupling 81 mm with end for hose 75 mm, stainless steel	75	16
ST-12-089065-43	STORZ connector 89 mm with end for hose 65 mm, SS	65	16
ST-12-089075-43	STORZ connector 89 mm with end for hose 75 mm, SS	75	16
ST-12-089080-43	STORZ coupling 89 mm with end for hose 80 mm, SS	80	16
ST-12-115100-43	STORZ coupling 115 mm with end for hose 100 mm, stainless steel	100	16
ST-12-133100-43	STORZ connector 133 mm with end for hose 100 mm, SS	100	16
ST-12-133110-43	STORZ connector 133 mm with end for hose 110 mm, SS	110	16
ST-12-148125-43	STORZ connector 148 mm with end for hose 125 mm, SS	125	16
ST-12-160150-43	STORZ connector 160 mm with end for hose 150 mm, SS	150	16

STORZ coupling with hose end designed 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 coupling spacing can be connected. Material: stainless steel. Working pressure: 16 bar. Seal: viton.