Essential details
Specification Number:Aluminum Storz Blank Cap
Product Introduction
Definition
Aluminum Storz Blank Cap is a standard bayonet sealing fitting used to block and protect unused Storz connector ports. Compliance Standard: DIN 14301 / EN 14420-6. Made of high-strength cast aluminum alloy, lightweight, oxidation-resistant and reusable. Fully interchangeable with all standard Storz couplings. Equipped with rubber gasket for perfect sealing to prevent dust, water and impurity entering pipelines.
Key Features
✅ Premium Aluminum Alloy Material
Integral die-cast aluminum structure, high hardness, impact resistance, not easy to crack. Lighter than metal steel caps, easy to carry and install.
⚡ Quick Bayonet Installation
Symmetrical two-lug design, tool-free push-and-twist connection. Fast locking and removal for temporary sealing of pipe ports.
💧 Tight Sealing Performance
Fitted with high-elastic rubber gasket, effectively prevent water leakage, dust and foreign matter from entering the pipeline system.
🌦️ Excellent Surface Treatment
Natural anodized finish creates dense protective oxide layer, anti-rust, anti-corrosion, suitable for outdoor, humid and marine environments.
🛡️ Pipeline Protection Function
Blank cover effectively protects Storz interface from collision damage, sand contamination and accidental water overflow during storage and transportation.
💪 Stable Pressure Resistance
Standard working pressure up to 16 Bar, safe for long-term static sealing of fire and industrial pipelines.
Specifications
Material: High Grade Aluminum Alloy
Executive Standard: DIN 14301 / EN 14420-6
Connection Type: Storz Bayonet End (Blank Sealing)
Surface Treatment: Natural Anodized Finish (Standard); Hard Anodized / Powder Coating Optional
Applicable Medium: Water, neutral industrial liquid
Working Temperature: -30℃ ~ +80℃
Max Working Pressure: 16 Bar (PN16 Standard)
Optional Gasket: NBR, EPDM
| Model | Inch | A/mm | B/mm | B/mm |
| AL-STA25 | 1" | 39.7 | 55 | 31 |
| AL-STA40 | 1.5" | 39.5 | 79 | 52 |
| AL-STA50 | 2" | 52 | 98 | 66 |
| AL-STA65 | 2.5" | 52 | 118 | 81 |
| AL-STA80 | 3" | 55 | 126 | 89 |
| AL-STA100 | 4" | 60 | 156 | 115 |
| AL-STA110 | Large 4" | 63 | 182 | 133 |
| AL-STA125 | 5" | 66 | 196 | 148 |
| AL-STA150 | 6" | 80 | 215 | 160 |
| AL-STA200 | 8" | 200 |
