Vane type waterflow detector (Vane type waterflow switch)

Leyon Vane type waterflow detector (Vane type waterflow switch) installed in wet sprinkler system provides an electrical alarm. When water movement deflects the vane inserted in waterway, and the motion is transmitted to an alarm-actuating switch after a predetermined time delay.

• Certificate: UL Listed / FM Approved
• Standard: UL 346, comply to NFPA 13, 13D, 13R, 72
• Trigger threshold: Flow rate 4 ~ 10 GPM
• Max surge: 18 FPS (Feet per second)
• Retard time: 0-90 second delay, field replaceable
• Temperature: 0°C to 49°C
• Pressure rating: 250 / 450 / 300 psi
• Surface: FBE coating as AWWA C550