RAKD Metal Variable Area Meter

The small metal Rotameter RAKD differentiates itself from other comparable variable area meters by means of light and guided float design offering the smallest measurable flow ranges in the market. RAKD meters can be fitted with a fine control valve and are designed with horizontal process connections.

An integrated flow controller based on the differential pressure principle, which allows a constant flow rate to be maintained regardless of any variations in process pressure, is just one of the many different options available. The RAKD with either standard or fail safe limit switches is suitable for safety applications up to SIL level 2. The configuration with valve and controller reaches SIL level 1.

The RAKD Rotameter combines several benefits of the float principle: a robust design, reliable measurements, independence of the electrical power supply when operated as mechanical pointer instruments and an electrical output signal. They are moreover easy to install and require no maintenance. Both the RAMC and the RAKD are packaged in an attractive, all-stainless steel housing and boast a long service life under the harshest industrial conditions.

  • Easy-to-read-display
  • All stainless steel design
  • Suitable for applications according to IEC 61508 and ISO 13849-1
  • Adjustment valve and flow controller available
  • Fast connection technique using Quickon connector
  • Intrinsically safe outputs
  • Special material like Monel and Hastelloy on request

Refer to the General Specification sheet located under the 'Downloads' tab for detailed specifications.

For Pipe Sizes DN 15 to DN 150 (1/2 inch – 6 inches)
Process Connections Flange, threaded or Triclamp
Measuring Range Water 20 °C: 0.1 l/h to 250 l/h
Air 20 °C 1 bar abs.: 4 l/h to 8000 l/h
Wetted Parts Material 1.4571 (AISI 316Ti) Hastelloy, Monel and Titanium on request
Process Temperature -25 °C to + 250 °C
Process Pressure 100 bar, higher pressures on request
Ambient Temperature -25 °C to 100 °C
Measuring accuracy acc. VDI/VDE 3513 sheet 2 (qG=50 %) 4 %
Hazardous Area Approvals ATEX, IECEx, FM, INMETRO, NEPSI, EAC, PESO and KOSHA
Signal Outputs Analog 4 to 20 mA, pulse output
Power Supply 24 V DC 2-wire
Degree of Protection IP66 / IP67
Suitable for Applications acc. IEC 61508
and Machinery Directive ISO 13849-1
Yes
Additional Features Limit switches for low/high alarms
Fine control valves
Pressure controller
Easy installation with Quickon connector
Instruction Manuals
General Specifications

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