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PSF50 Paddle Flow Switch Low Cost Flowmeters and Sight Glasses


Datasheet (PDF)

PSF50, Low Cost Stainless Steel Insertion Paddle Flow Switch, 1” to 3” Pipe Size.

Paddle switches are ideal for simple flow/no-flow detection of low viscosity liquids. With its Stainless Steel body and Reed switch output, the PSF50 offers a high pressure and temperature rating, in a very reliable and economic format.

  • Measuring range: from 16-20 L/Min (1” pipe) to 105-128 L/Min (3” pipe)
  • Connection: 1” BSP or NPT
  • Material: Stainless Steel (body)
  • Pressure rating: Max 25 Bar
  • Temperature rating: Max 150oC
  • Options: IP65 or IP68 housing.