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Yokogawa RAGH04
Glass Tube Rotameter - 1 1/2-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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Product Information
Overview 921 KB PDF
Brochure 1.26 MB PDF
Specification 471 KB PDF
Manual 512 KB PDF
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Yokogawa RAGH04 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 RAGH04 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
RAGH04 Rotameter Size 1 1/2-inch
Process Connection
-D2 EN PN16 flange DN15
-K0 PVC insertion parts (glueing)
-P0 Flexible tube connection
-R0 Internal thread Rp
-T0 Internal thread npt
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
RAA Outl.valve,PTFE gask.,brass h.
RAE Inl. valve,PTFE gask.,brass h.
RBA Outl. valve,PTFE gask.,SS hous
RBE Inlet valve,PTFE gask.,SS hous
Metering Tube
-G 300mm
Metering Tube Diameter
2 48 mm
Cone
61 CONE 1000
62 CONE 1600
63 CONE 2500
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
1 21 MM
2 31 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
QF Foot plate
/S1 flat spiral spring of 1.4571
/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
RAGH04 Yokogawa RAGH04 Tube Rotameter Please Call
Included Items
 
  • 1 - User Manual
Included