Vane type waterflow detector (Vane type waterflow switch)
- 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
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