Essential details
Specification Number:Aluminum Storz Locking Coupling
Product Introduction
Definition
Aluminum Storz Locking Coupling is standard quick lock fire fighting coupling, widely used for fast connection of fire hoses, water pumps, fire hydrants and fluid pipelines.Compliance Standard:DIN 14301 / EN 14420-6Made of high-strength lightweight aluminum alloy, shockproof, rust-proof and long service life for outdoor use. Fully interchangeable with global standard Storz fittings. Adopts symmetrical bayonet locking structure, easy to assemble and dismount.
Key Features
✅ Premium Lightweight Aluminum AlloyIntegral die-cast structure with high toughness, lighter than brass fittings, easy to carry and operate in rescue work.
⚡Quick Bayonet Locking DesignTool-free push and twist connection, firm locking, fast assembly and disassembly, greatly improve emergency working efficiency.
💧 Superior Sealing PerformanceFitted with elastic rubber gasket, tight sealing under rated pressure, no leakage during high flow water delivery.
🌦️Excellent Anti-Corrosion PerformanceAdopts natural anodized surface treatment, effectively resist oxidation, moisture and mild corrosion, stable performance in harsh environment.
🔒 Safe Anti-Drop Locking StructureStandard locking notch design, not easy to loosen or fall off under water pressure and vibration, high safety.
💪Reliable Pressure ResistanceStandard working pressure up to 16 Bar, fully satisfy fire control, municipal water supply and industrial fluid delivery demands.
Specifications
Material:High Grade Aluminum AlloyExecutive Standard:DIN 14301 / EN 14420-6Connection Type: Storz Bayonet Locking EndSurface Treatment: Natural Anodized Finish; Hard Anodized / Powder Coating OptionalApplicable Medium: Clean water, fire water, general industrial liquidWorking Temperature: -30℃ ~ +80℃Max Working Pressure:16 Bar PN16 Standard; 25 Bar PN25 High Pressure Custom AvailableOptional Gasket:NBR, EPDM

| Model | DIN/mm | Inch | A/mm | B/mm | C/mm |
| AL-STC100 | DN100 | 4" | 101.8 | 115 | 156 |
| AL-STC125 | DN125 | 5" | 126.5 | 148 | 196 |
| AL-STC150 | DN150 | 6" | 150 | 160 | 215 |
| AL-STC200 | DN200 | 8" | 203 | 220 | 280 |
| AL-STC200 | DN250 | 10" | 253 | 278 | 339 |
| AL-STC300-3 | DN300-3teeth | 12" | 304 | 316 | 384 |
| AL-STC300-4 | DN300-4teeth | 12" | 304 | 318 | 416 |
| AL-STC350 | DN350 | 14" | 350 | 336 | 448 |






