YOKOGAWA Rotameter - Variable Area Flowmeter RAKD Metal Variable Area Meter 100% Original made in Japan with low price !

New & Original
YOKOGAWA Rotameter - Variable Area Flowmeter RAKD Metal Variable Area Meter 100% Original made in Japan with low price !
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YOKOGAWA Rotameter - Variable Area Flowmeter 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, i

ndependence 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.


Model RAKD Small Metal ROTAMETER

The short-tube Rotameter is used for measurement of low ! ow rates of liquids and gases. Its special application is in turbulent, 

opaque or aggressive mediums and under high pressure. The instrument is mounted in a vertical pipeline with ! ow direction upwards. 

A ! oat is guided concentrically in a conic metal tube. The position of this ! oat is magnetically transmitted to the indicator. 

When the process conditions change the scale needs to be replaced by a new one of which the values should be calculated.




For Pipe Sizes

Process Connections

Measuring Range

Wetted Parts Material

Process Temperature

Process Pressure

Ambient Temperature

Accuracy acc. VDE/VDI 3513-2 (qG =50%)


Signal Outputs

Power Supply

Degree of Protection

Suitable for Applications acc. IEC 61508
and Machinery Directive ISO 13849

Additional Features

DN 15 to DN 150 (1/2" – 6")

Flange, threaded or Triclamp

Water 20°C: 0,1 l/h to 250 l/h
Air 20°C 1 bar abs.: 4 l/h to 8000 l/h

1.4571 (AISI 316Ti) Hastelloy, Monel and Titanium on request

-25°C to + 250°C

100 bar, higher pressures on request

-25°C to 100°C

4 %


Analog 4-20mA, pulse output

24 V DC 2-wire



Limit switches for low/high alarms
Fine control valves
Pressure controller
Easy installation with Quickon connector

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