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FS-400P Series Flow Switch

Brand: Gems Sensors, Inc

Designed for low cost flow/no-flow monitoring. This series is available with a clear transparent PVC housing which is ideal for use where visual flow confirmation is desirable. These corrosion-resistant switches offer broad chemical compatibility. 

With only one moving part, their rugged construction offers long life with minimum maintenance.

Ideal for water heating or purification, equipment cooling and general chemical processing use.
Features
  • Flow Rate Settings: 0.5 GPM or 2.0 GPM
  • Port Size: 3/4˝ or 1˝ IPS
  • Primary Construction Material: Clear PVC
  • Setting Type: Fixed

1 - 3 of 3 Part Numbers
135805
135805
  • Port Size - 1/2" NPT
135810
135810
  • Port Size - 3/4" IPS
135815
135815
  • Port Size - 1" IPS
1 - 3 of 3 Part Numbers

Specifications

Accuracy

  • Set Point Accuracy: ± 20 %
  • Set Point Differential: 20 %, Max.

Applications

  • Chemical Processing
  • Cooling Systems
  • Water Heating or Purification

Approvals & Certifications

  • CE
  • CSA: File No. LR30200
  • RoHS
  • UL: File No. E31926
  • UR

Bonnet Material

  • PVC

Electrical Connectors

  • 22 AWG, 24” (61 cm) Long, PVC Lead Wires

Electrical Contacts

  • Normally Closed or Normally Open

Electrical Rating

  • Switch: 20 VA

Enclosure, Body Material

  • PVC

Flow Rate

  • 0.5 to 2.0 gpm

Materials of Construction

  • Shuttle: PVC

Mounting

  • Vertical, Inlet Down

NPT Connection

  • 1/2” NPT

O-Ring Material

  • Buna-N

Operating Pressure

  • psig: 120 (kPa: 830, bar: 8.3) at 21° to 37.8° C (70° to 100° F) - Max.
  • psig: 50 (kPa: 344.7, bar: 3.447) at 38.3° to 48.9° C (101° to 120° F) - Max.

Operating Temperature

  • 48.9° C (120° F) - Max.

Pipe Connection

  • 1” IPS
  • 3/4” IPS

Switch Type

  • SPST

Wetted Materials

  • Epoxy

  • Water heating or purification
  • Equipment cooling 
  • General chemical processing 

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