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RAKD variable area metal flow meter

RAKD variable area metal flow meter

The small metal rotameter RAKD differs from other comparable variable area flowmeters by its lightweight and guided float design, providing the smallest measurable flow ranges on the market. RAKD meters can be equipped with a fine adjustment valve and are designed with horizontal process connections.

An integrated flow controller based on the differential pressure principle, which allows to keep a constant flow independent of variations in process pressure, is only one of 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 regulator achieves SIL level 1.

The RAKD rotameter combines several advantages of the float principle: a robust design, reliable measurements, independence from power supply when used as a mechanical indicating instrument and with the possibility of electrical output. They are also easy to install and require no maintenance. Both RAMC and RAKD are packaged in an attractive stainless steel housing and have a long service life in the most demanding industrial conditions.

Characteristics

  • Easy-to-read display
  • All stainless steel design
  • Suitable for applications according to IEC 61508 and ISO 13849-1
  • Adjustment valve and flow regulator available
  • Quick connection technology with Quickon connector
  • Explosion-proof outputs
  • Speciality materials like Monel and Hastelloy on request

brochure

Brochure RAGN Rotameter

General specifications

General specifications RAGN Rotameter

General specifications

General specifications RAGN Rotameter

Specifications

For detailed specifications, see the specification sheet under the "Downloads" tab.

For pipe sizes

DN 15 to DN 25 (1/4 inch to 1 inch)

Process connections

Flange, threaded, cutting ring, nozzle and Swagelok

Measurement area

Water at 20 °C: 0.1 l/h to 250 l/h
Air at 20 °C, 1 bar abs.: 4 l/h to 8000 l/h

Materials in wetted parts

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

Process temperature

-25 °C to +250 °C

Process printing

160 bar, higher pressure on request

Ambient temperature

-25 °C to 80 °C

Measurement accuracy according to VDI/VDE 3513 sheet 2 (qG=50 %)

4 %

Authorisations for hazardous areas

ATEX, IECEx, FM, NEPSI, EAC and KOSHA

Signalling Outputs

Analogue 4 to 20 mA, pulse output

Power supply

24 V DC 2-wire

Degree of protection

IP66 / IP67

Suitable for applications according to IEC 61508 and Machinery Directive ISO 13849-1

Yes

Additional features

Limit switch for low/high alarm
Fine tuning valves
Pressure regulator
Easy installation with Quickon connector

Brand

Yokogawa

Yokogawa is a global player offering advanced measurement and analysis solutions in pressure, flow measurement, liquid and gas analysis. Their products combine high performance with reliability, supporting efficient and safe operation in various industrial applications.

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