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Flow Switches

NF265 Electric Flow Switch

These units are used to monitor flow or no-flow. The output is used to alarm, operate valves or perform other desired electrical functions.

  • Working Pressure: 0-5000 psig standard
  • Switch rating: SPST, 100 V.A.AC, 100W DC, 3 amps inrush capability, max. 250 Volts
  • Connections: 1 1/2″ NPT  or 2″ NPT standard; flanged connection available
  • Paddle Length: 1 1/2″ standard (for 2″ line), available in other lengths
  • Electrical Connections: 1/2″ conduit
  • Options: 10 Amp relay, annulus plug, additional paddle length

NF282 Pneumatic Flow Switch

These units are used to monitor flow or no-flow. The output is used to alarm, operate valves or perform other desired electrical functions.

  • Working Pressure: 0-5000 psig standard
  • Supply Pressures: 30 PSI maximum (Flow rate 40 scfh at 30 psig), 60 PSI (flow rate
  • 25 scfh at 30 psig) and 100 PSI (flow rate 15 scfh at 30 psig)
  • Output: 0 to full supply pressure
  • Connections: 2″ NPT standard; 1 1/2″ NPT or flanged available
  • Paddle Length: 1 1/2″ standard (for 2″ line), available in other lengths
  • Options: Annulus plug, displacers