A core safety equipment compliant with the Code for Design of Fire Extinguisher Configuration. It adopts a composite structure of high-strength synthetic fiber lining and wear-resistant PVC outer layer, with excellent weather resistance to endure construction dust, sharp friction and extreme temperatures. Suitable for floor operations, foundation pit construction, material yards, etc. Rated working pressure ≥1.6MPa, burst pressure ≥4.8MPa, ensuring stable pressure without leakage. Snap-on connectors enable quick connection to fire hydrants