Water Flow Switch

The Water Flow Switch is a vane-type flow detector designed to monitor water movement in wet fire sprinkler systems. It detects water flow and automatically sends a signal to the fire alarm control panel, ensuring fast and reliable fire detection. Suitable for fire sprinkler systems, commercial buildings, industrial facilities, and fire protection applications.

Key Features

• Model: SD-WFD Series
• Vane-type water flow detector
• Designed for wet fire sprinkler systems
• Flow sensitivity: 4–10 GPM (15–38 LPM)
• Working Pressure: 450 PSI
• Dual SPDT snap-action switches
• Built-in adjustable pneumatic time delay
• Tamper-resistant cover screws
• Durable terminal block with easy wiring
• Suitable for 2″–8″ steel pipes
• Fusion Bonded Epoxy (FBE) coated body
• Complies with NFPA 13, NFPA 13D, NFPA 13R & NFPA 72
• Suitable for indoor and outdoor installations