The RAKD is a small metal variable area flow meter, offering the smallest measurable flow ranges in the market and ideal for use in turbulent, opaque, or aggressive fluids and in high pressure applications. It features a light-guided float design to reduce pressure loss and bouncing in gas applications to deliver reliable flow rate measurements. RAKD rotameters can be fitted with a fine control valve and designed with horizontal process connections.
Unique, Robust Design
The RAKD has an all stainless steel housing for use under the harshest industrial conditions and is also available with a fine control valve. Its light floats result in low pressure loss and stable float movement (reduced float bouncing), and guided floats improve flow indication stability, providing reliable measurements.
Easy to Install & Maintenance Free
RAKD rotameters are independent of the electrical power supply when operated as mechanical pointer instruments and also available with electrical output signal.
High Level of Safety
Optional fail-safe limit switches make the RAKD suitable for SIL2 safety applications. In addition, FMEDA reports are available to support SIL applications.
Optional Electric Transmitter
With an electric transmitter, the RAKD can produce a linearized signal output due to a µP controlled transmitter. By using a fast connection technique (QUICKON), easy cabling without opening of the housing is possible. Other features of the electric transmitter include:
- Additional inductive limit switch and/or pulse output can be combined
- Additional tuner with display (service box) can be connected to perform various configurations
The indicator features a stainless steel enclosure well-accepted by industrial standardized design, providing enhanced corrosion resistance. Additional features of the indicator include:
- Easy enclosure opening by bayonet catch without additional tools
- Enclosure tightness of protection class IP 66/67
|For Pipe Sizes||DN 15 to DN 150 (1/2" – 6")|
|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|
|Accuracy acc. VDE/VDI 3513-2 (qG =50%)||4 %|
|Ex-approvals||ATEX, NEPSI, FM, CSA|
|Signal Outputs||Analog 4-20mA, 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
|Additional Features||Limit switches for low/high alarms
Fine control valves
Easy installation with Quickon connector
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