Process, Instrumentation & Environment

Paddle flow monitor for liquids PSE & PSR - Kobold

The Kobold flow monitor types PSE and PSR are simple, reasonably-priced and reliable monitors of fluid motions.
Depending on the flow velocity/flow throughput, the baffle plate is deflected and it moves, over the balance arm, the permanent magnet into the operating range of the reed contact, mounted outside the process fluid.
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The leaf spring, which also serves as a support for the balance arm, forces the baffle plate back to its rest position when there is no flow.
  • PSR made of brass or stainless steel with fitting and female thread for nominal sizes G ¼ to G 1 ½;
  • PSE made of brass or stainless steel with external thread for larger nominal sizes NW 50 to NW 200;
  • Supplied completely assembled with pipe length up to nominal size 40;
  • Available with ATEX certification;
  • Switching ranges: 2.5 - 4.8... 383 - 533l/min water;
  • pmax: 250 bar, tmax: 110 °C;
  • Connection: G ¼... G 1 ½, ¼" NPT... 1 ½" NPT.
  • Pressure-resistant, forged case for model PSR-xx08... PSR-xx25;
  • Baffle plate system made of spring stainless steel, this precludes bending of paddle even with flow rates well outside the switching range;
  • Stainless steel baffle plate exchangeable.
  • Cooling and lubricant circuits;
  • Dry running protection for pumps;
  • Monitoring of pipe fracture;
  • Prevention of low water levels.

F.Fonseca is the representative of Kobold in Portugal.
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