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Yokogawa RAGH23
Glass Tube Rotameter - 3/4-inch

  • Simple measurement principle
  • Uncomplicated design
  • Local indicator without additional power supply
  • Low maintenance
  • Suitable for continuous operation
  • Cost effective
  • High efficiency
  • High accuracy
  • Precise measurement at very low flow rates
  • Replaceable floats
  • Visual evaluation of measured substance possible
  • Minimal pressure possible
  • Glass tube allows visual assessment of process medium
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Yokogawa RAGH23 Shown

Product Information
Overview 921 KB PDF
Brochure 1.26 MB PDF
Specification 471 KB PDF
Manual 512 KB PDF
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Yokogawa RAGH23 Tube Rotameter. The Tube Rotameter RAGH is designed for measurement of liquids and gases. The conical glass metering tube has a free rotating float. Measureable Flow Rate: Water = 0.002 l/h to 10 m3/h; Air = 0.1 l/h to 210 m3/h.

Specification RAGH23 Tube Rotameter
Measureable Flow Rates Water (20°C): 0.002 l/h min, 10 m3/h max,
Air (20°C 1 bar absolute): 0.1 l/h min, 210 m3/h max.
Tubes L- and G-tubes 300 mm long
Accuracy class
acc. VDE/VDI 3513 Bl. 2
1.6
max. Process pressure depending on tube
6-16 bar
max. Process temperature
Standard with option /MV
80°C
130°C
Process connection Inner thread RP
Inner thread NPT
Nozzle
Glue socket
Flange acc. EN 1092-1 Form B1
Materials Process connection: 1.4571 (AISI 316TI) / Steel / PVC
1.4571 (AISI 316TI) / Steel
Tube: Glass (Duran 50)
Type (valve) with valve possible (installed to instrument)
Approx. installation length
Process connections
310 mm - 404 mm
vertical

Model Numbers
Specify the Model Number by choosing one code from each section. Please call to order.

Model
RAGH23 Rotameter Size 3/4-inch
Process Connection
-R0 Internal thread Rp
Connection Material
PC Polyvinyl chloride (PVC)
SS Stainless steel
ST Carbon Steel
Housing Material
SS Stainless steel
ST Carbon Steel
Valve Type
NNN No valve
Metering Tube
-G 300mm
Metering Tube Diameter
1 34 mm
Cone
53 CONE 250
54 CONE 400
57 CONE 630
61 CONE 1000
Cone-Medium-Scale
A Attached scale
G Scale on tube and MM-scale
N Tube only, neutral graduation
Float Body
-AL ALUMINIUM
-PF TEFLON (PTFE)
-PP POLYPROPYLENE
-SS 1.4571 STAINLESS STEEL
Float Diameter
4 54 MM
Medium
1 FACTOR 0.4 (WATER)
2 FACTOR 0.63 (WATER)
3 FACTOR 1.0 (WATER)
4 FACTOR 6.3 (AIR)
5 FACTOR 10 (AIR)
6 FACTOR 16 (AIR)
7 FACTOR 25 (AIR)
Float Insert
M WITH MAGNET (For Limit Switches /GM1 and /GM2)
N WITHOUT MAGNET
Optional Features
/B1 STAINLESS STEEL TAGPLATE
/B4 Neutral version
/B8 By customer provided marking
/BG TAG NUMBER
/GM1 Min-contact (mag.-contact)
/GM1/GM1 Min/Min-contact (mag.-contact)
/GM2 Max-contact (mag.-contact)
/GM2/GM2 Max/Max-contact (mag.-contact)
/H1 Degrease certificate
/P2 Cert. order compliance 2.1
/P3 Test report 2.2 (EN10204)
/PP Pressure test with certificate
/PT With flow table for conversion
/W1A KFA5-SR2-Ex1.W / 115 V
/W1B KFA5-SR2-Ex2.W / 115 V
/W2A KFA6-SR2-Ex1.W / 230 V AC 1ch.
/W2B KFA6-SR2-Ex2.W / 230 V AC 2ch.
/W4A KFD2-SR2-Ex1.W / 24 V DC 1ch.
W4B KFD2-SR2-Ex2.W / 24 V DC 2ch.
/MM without mm-scale
/MV Viton gaskets (up to 80 Deg C)
/MV3 Viton gasket, carb.st.re /MV3 (up to 130 Deg C)
/MV4 Viton gasket, st.st.reta /MV4 (up to 130 Deg C)
 
Ordering Information
Model  Description Buy Online Price
RAGH23 Yokogawa RAGH23 Tube Rotameter Please Call
Included Items
 
  • 1 - User Manual
Included