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Thermal Dispersion Flow Switch Model TDFS-1-P-06


Thermal Dispersion Flow Switch Model TDFS-1-P-06
  • Thermal Dispersion Flow Switch Model TDFS-1-P-06
  • Thermal Dispersion Flow Switch Model TDFS-1-P-06
  • Thermal Dispersion Flow Switch Model TDFS-1-P-06
  • +3 Thermal Dispersion Flow Switch Model TDFS-1-P-06
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Product Brochure
Product Details:
Switch Type1 No NPN, 1 NC NPN
Usage/ApplicationBoiler Flow Proving, Hot Water Heaters, Chillers, Liquid Transfer Systems
Model Name/NumberTDFS-1-P-06
Wetted MaterialsStainless Steel, Polysulfone, and FKM
Pressure Limits300 psig (20.67 bar)
Power Requirement9 to 24 VDC
Switching Current400 mA, derate 5 mA/ DegreeC above 23 DegreeC.
Housing Materials316 Ss, 416 Ss, Polycarbonate, Neoprene, And Acrylated Urethane

Thermal Dispersion Flow Switch Modal TDFS-1-P-06

Series TDFS Thermal Dispersion Flow Switch

The Series TDFS2 Thermal Dispersion Flow Switch is a thermal flow switch that indicates whether the flow rate is above or below a user set flow rate. The unit incorporates two LED status indicators providing visual switch indication. The set flow rate (setpoint) is field adjustable and the unit has both NO and NC NPN outputs. See Figure 1 on catalog page for output and LED actions on change of flow

Product Applications
  • Boiler Flow Proving
  • Hot Water Heaters
  • Chillers
  • Liquid Transfer Systems
Model - TDFS2-1-P-06

Description - Thermal Dispersion Flow Switch, 316SS, 1/2" NPT Process Connection, 6' of Cable With Cable Gland.


  • Service: Compatible water-based fluids.
  • Wetted Materials: 316 SS, Polysulfone, and FKM.
  • Setpoint Range: 0.5 to 10 ft/s (0.15 to 3.0 m/s).
  • Repeatability: 0.07 ft/s +3% of setpoint.
  • Typical Deadband: 0.1 ft/s +15% of setpoint.
  • Temperature Limits: Process: 5 to 185°F (-15 to 85°C) (non-freezing); Ambient: 5 to 167°F (-15 to 75°C), Storage: -40 to 185°F (-40 to 85°C).
  • Pressure Limits: 300 psig (20.67 bar).
  • Response Time: Approximately 8 s.
  • Power Requirement: 9 to 24 VDC.
  • Switching Current: 400 mA, derate 5 mA/°C above 23°C.
  • Current Consumption: Average:93 mA, Peak: 300 mA.
  • Electrical Connection: 4 conductor 22 AWG, 6' (1.83 m) long with cable gland.
  • Process Connection: 1/2" NPT male.
  • Enclosure Rating: NEMA 4X (IP65).
  • Housing Materials: 316 SS, 416 SS, polycarbonate, neoprene, and acrylated urethane.
  • Switch Type: 1 NO NPN, 1 NC NPN.
  • Input Power and Protection: 0.5A fuse (resettable) reverse polarity protected.
  • Switched Output Protection: 0.5A fuse (resettable) reverse polarity protected.
  • Agency Approvals: CE.

Additional Information:

  • Delivery Time: 2 week
  • Packaging Details: Websites : www.dpengineers.in www.dpengineer.in www.dpengineers.co.in www.dpengineer.co.in www.dpengineersindia.com www.dpengineerindia.com www.dpengineersindia.in www.dpengineers.info www.dpengineer.info www.dp-engineers.com www.dpengineerindia.in www.dpengineersindia.net www.dpengineersdelhi.co.in www.dpengineersdelhi.com www.dpengineersdelhi.net
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