There are four main types of FDCs, each designed to meet specific application needs:
Siamese Connection: The most widely used type for commercial buildings and high-rise structures. It features two female threaded ports, allowing simultaneous connection of two hoses to double water flow. Equipped with clapper valves, it prevents water backflow into the water supply system, ensuring safety and efficiency.
Storz Connection: Adopts a quarter-turn bayonet-style locking mechanism, enabling quick and tool-free hose connection. It is widely popular in Europe and increasingly used in the United States due to its ease of operation and fast deployment.
Camlock Connection: Ideal for temporary fire protection systems (e.g., construction sites). It consists of male and female components that can be connected or disconnected without tools, offering flexibility for short-term or mobile fire safety needs.
Quarter-Turn Connection: A newer, low-maintenance option that uses a quarter-turn ball valve to control water supply. Its simple operation reduces training costs and operational errors, making it a growing choice for modern fire protection systems.
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