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RAGK/RAGL Small Laboratory Rotameters

The Rotameters RAGK and RAGL are specifically designed for the measurement of low flows of liquids and gases. Their main application field is in purging, analyzer and gas sampling systems, laboratories and machinery equipment. Integrated needle valves are optionally available and are used for the fine adjustment of the flow. These simple and affordable Rotameters have a very broad application range, large variety in cones and floats and decades of proven design. The Rotameters RAGK and RAGL complete Yokogawa´s Metal and Glass Rotameter Portfolio suitable for SIL applications and applications complying to the Machinery Directive.

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  • Suitable for applications according to IEC 61508:2010 and ISO 13849
  • Space-saving design
  • Needle valves for fine adjustment of flow
  • Negligible pressure loss
  • Cost-effective solution
For Pipe Sizes 1/4" to 3/8"
Process Connections Threaded, Swagelok, cutting ring, nozzle
Measuring Range Water 20 °C: 2 ml/h - 600 l/h
Air 20 °C 1 bar abs.: 0,1 l/h - 6300 l/h
Wetted Parts Material Borosilicate glass, 1.4571 (AISI 316Ti) or Polypropylene
Various float materials available
Gaskets NBR, FKM, PTFE
Process Temperature -25 °C to + 130 °C
Process Pressure 16 bar
Ambient Temperature -25 °C to 80 °C
Accuracy acc. VDE/VDI 3513-2(qG =50%) 1,6 % / 2,5 % / 4 % /
Ex-approvals ATEX
Suitable for Applications acc. IEC 61508
and Machinery Directive ISO 13849
Yes
Additional Features Limit switches for low/high alarms
Fine control valves
Pressure controller
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