Essential details
Specification Number:Aluminum Storz Hose Coupling
Product Introduction
Definition
Standard DIN Storz Coupling with hose shank end, widely used for fire hose connection and fluid pipeline assembly.Compliance Standard: DIN 14301, EN 14420-6Material:High strength lightweight aluminum alloy, impact resistant, anti-rust and durable for long term outdoor use.Matching:Fully interchangeable with all same-size standard Storz fire fittings worldwide.Structure:One side standard symmetrical Storz bayonet end, the other side barbed hose tail for firm hose clamping and installation.
Features
✅ Premium Lightweight Aluminum AlloyIntegral die-cast forming, high mechanical toughness, lighter than brass and steel fittings, easy to carry and operate for fire rescue and site construction.⚡ Fast Bayonet Quick ConnectionSymmetrical lug design, tool-free push-and-twist locking, fast connect and disconnect, greatly improve working efficiency in emergency scenarios.💧Excellent Leakproof PerformanceEquipped with high elastic rubber gasket, tight fitting under rated pressure, no water seepage or leakage during high flow fluid transmission.🌦️ Good Weather & Corrosion ResistanceNatural oxidation surface treatment, resist rust, moisture and mild corrosion, stable performance for humid, outdoor and construction site environments.📌 Firm Barbed Hose TailDeep anti-slip barb design, tightly lock onto rubber hoses and fire hoses, prevent falling off under water pressure and vibration.
💪 Reliable Pressure ResistanceStandard PN16 working pressure (16 bar / 232 psi), meets the requirements of most fire and industrial fluid transmission systems. Custom PN25 (25 bar / 363 psi) high-pressure versions available for special applications.
Specifications
Material:High Grade Aluminum AlloyExecutive Standard:DIN 14301 / EN 14420-6Connection Type:Storz Bayonet End × Barbed Hose TailSurface Finish:Natural Anodized Finish (Standard) / Hard Anodized / Powder Coated (Optional)Applicable Medium:Clean water, fire water, general industrial liquidWorking Temperature:-30℃ ~ +80℃Max Working Pressure:16 Bar (232 PSI) Standard; 25 Bar (363 PSI) High Pressure OptionalOptional Gasket:NBR, EPDM

| Model | DIN/mm | Inch | A/mm | B/mm | C/mm |
| AL-ST25 | DN25 | 1" | 25 | 55 | 31 |
| AL-ST40 | DN40 | 1.5" | 38 | 79 | 52 |
| AL-ST50 | DN50 | 2" | 51.8 | 98 | 66 |
| AL-ST65 | DN65 | 2.5" | 63.5 | 118 | 81 |
| AL-ST80 | DN80 | 3" | 74.8 | 126 | 89 |
| AL-ST100 | DN100 | 4" | 101.5 | 156 | 115 |
| AL-ST110 | DN110 | Large 4" | 101.5 | 182 | 133 |
| AL-ST125 | DN125 | 5" | 126.5 | 196 | 148 |
| AL-ST150 | DN150 | 6" | 150 | 215 | 160 |
| AL-ST200 | DN200 | 8" | 200 | 260 | 170 |





