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Flowline Flow Switches


F10 Liquid Flow Switch --

The flow switch set point may be adjusted from .04 to 3 fps and is an excellent choice for a wide range of relatively clean, non-coating or scaling type liquids. Media examples include hydrochloric acid, lubrication oil and glycol solutions. The relay or FET output provides a reliable switch interface with remote devices such as a PLC, SCADA or alarm. The short sensor is intended for use in pipe sizes from 1/2 inch to 1 1/2 inch; the long sensor is applied from 2 inches up.

  • Set point range:  0.04 - 3 fps (0.012 to 0.91 mps) 
  • Factory set point:  0.2 fps (0.06 mps) 
  • Set point drift :  0.5% of set point 
  • Repeatability:  ±5% of set point at const. temperature 
  • Response time:  1 - 10 seconds 
  • Viscosity range:  1 - 300 centipoise 
  • Supply voltage:  12 - 36 VDC 
  • Consumption:  Relay: 70 mA 
  • FET:  50 mA 
  • Relay rating:  60 VDC/VAC @ 1A 
  • FET rating:  36 VDC @ 100 mA 
  • Switch output:  Selectable, NO or NC states 
  • Set point adjustment:  Potentiometer 
  • Indication:  LED for flow status 
  • Fluid temperature:  F: 32 - 140 degrees C: 0 - 60 degrees 
  • Pressure range:  150 psi (10 bar) @ 25 degrees C, derated @ 1.667 psi (0.113 bar) per degrees C above 25 degrees C 
  • Sensor material:  Polypropylene/Ryton ® or Polyvinylidene Fluoride 
  • Sensor rating:  NEMA 4X (IP 65) 
  • Mounting thread:  3/4" NPT (3/4" G) 
  • Mounting gasket:  Viton (3/4") metric only 
  • Cable type:  8 ft. (2.5 m), 4-wire (relay) or 3-wire (FET), 22 gauge with ground, shield and PP or PFA jacket 
  • CE compliance:  EN 50082-2 immunity  EN 55011 emission 

Liquid or Gas Flow Switch Compact Relay Controller --


This liquid or gas flow switch package offers a complete solution for low flow pump or process protection. The short sensor is intended for use in pipe or ducting from 1/2 inch to 1 1/2 inches; the long sensor is applied from 2 inches up. The FET output provides a reliable switch interface with remote devices such as a PLC, SCADA or alarm. Each assembly includes a compact junction box and flow switch. To complete your product, select the appropriate liquid or gas sensor configuration, sensor length, material and output for your application. 

Liquid or Gas Flow Switch Compact Junction Box  --

This liquid or gas flow switch package offers a complete solution for low flow pump or process protection. The short sensor is intended for use in pipe or ducting from 1/2 inch to 1 1/2 inches; the long sensor is applied from 2 inches up. The FET output provides a reliable switch interface with remote devices such as a PLC, SCADA or alarm. Each assembly includes a compact junction box and flow switch. To complete your product, select the appropriate liquid or gas sensor configuration, sensor length, material and output for your application.

G10 Gas Flow Switch --

The flow switch set point may be adjusted from 1 to 90 fps and is an excellent choice for a wide range of relatively clean, non-coating type gases.  Media examples include air, chlorine gas, nitrogen gas and process exhaust fumes.  The relay or FET output provides a reliable switch interface with remote devices such as a PLC, SCADA or alarm.  The short sensor is intended for use in ducting sizes from 1/2 inch to 1 1/2 inch; the long sensor is applied from 2 inches up.

  • Set point range:  1 - 90 fps (0.3 to 27 mps) 
  • Factory set point:  10 fps (3 mps) 
  • Set point drift :  0.5% of set point 
  • Repeatability:  ±5% of set point at const. temperature 
  • Response time:  1-10 seconds 
  • Supply voltage:  12 - 36 VDC 
  • Consumption:  Relay: 70 mA
  • FET: 50 mA 
  • Relay rating:  60 VDC/VAC @ 1A 
  • FET rating:  36 VDC @ 100 mA 
  • Switch output:  Selectable, NO or NC states 
  • Set point adjustment:  Potentiometer 
  • Indication:  LED for flow status 
  • Fluid temperature: 
    • F: 32 degrees - 140 degrees 
    • C: 0 degrees - 60 degrees 
  • Pressure range:  150 psi (10 bar) @ 25 degrees C, derated @ 1.667 psi (0.113 bar) per degree C above 25 degrees C. 
  • Sensor material:  Polypropylene/Ryton® or Polyvinylidene Fluoride 
  • Sensor rating:  NEMA 4X (IP 65) 
  • Mounting thread:  3/4" NPT (3/4" G) 
  • Mounting gasket:  Viton (3/4") metric only 
  • Cable type:  8 ft. (2.5 m), 4-wire (relay) or 3-wire (FET), 22 gauge with ground, shield and 
  • PP or PFA jacket 
  • CE compliance:  EN 50082-2 immunity
  • EN 55011 emission 

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