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GE RHM 40 Specifications

Medium sized coriolis mass flowmeter

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GE
Measurement & Control
RHM 40
Medium Sized Coriolis
Mass Flowmeter
The RHM 40 can measure flow rates up to 90 t/h
(3307 lb/min) with temperatures in excess of 350°C
and pressures up to 257 bar. This model is medium
sized and also appropriate for tough application
conditions, manufactured by GE's Rheonik mass
flowmeter experts..
Applications
• Loading of boats, vessels, rail tank wagons
• High temperatures and other challenging
applications
• Highly viscous media (low pressure drop and
excellent performance at low flow conditions)
Features
• Suitable for pressure up to 257 bar
• Flow uncertainty down to 0.15%
• Density uncertainty down to 0.5%
• Repeatability better than 0.05%
• Unique torsion oscillator
• Typical measuring ranges from 15 to 1500 kg/min
• Minimal flows as low as 13 kg/min
g
GE imagination at work
• Customization possible
• Hazardous Area Approvals (ATEX, CSA, ...)
Advantages
• Medium flow rates in combination with high
operating pressure
• Torsion oscillator design assures most stable and
basically drift free measurement and increased
signal to noise ratio
• Not sensitive to changes in pressure
• Longest life time and increased safety (low stress
in welds and increased wall thickness against
abrasion)
• No moving parts, practically no maintenance

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Summary of Contents for GE RHM 40

  • Page 1 RHM 40 Medium Sized Coriolis Mass Flowmeter The RHM 40 can measure flow rates up to 90 t/h (3307 lb/min) with temperatures in excess of 350°C and pressures up to 257 bar. This model is medium sized and also appropriate for tough application conditions, manufactured by GE’s Rheonik mass...
  • Page 2 General Dimensions RHM 40 PF0 (parallel, sealless construction with flange connection) Process Connection Face to face Order length (L) Code Standard Flange DIN DN80/PN40 28.54 Flange DIN DN80/PN100 28.54 Flange ANSI 3" 150# RF/SF 28.54 Flange ANSI 3" 300# RF/SF 28.54...
  • Page 3 General Dimensions RHM 40 SF0 (serial, sealless construction without dead spaces) Process Connection Face to face Order length (L) Code Standard Flange DIN DN80/PN40 15.75 Flange DIN DN80/PN100 15.75 Flange ANSI 3" 150# RF/SF 15.75 Flange ANSI 3" 300# RF/SF 15.75...
  • Page 4 Pressure Rating RHM 40 The maximum pressure (pmax) of a sensor is determined by its weakest part. The weakest part can be the measuring loops (pmax indicated below) or the construction type (pmax indicated in the Basic Order Code section, last page) or the selected flanges / fittings (for pmax please see respective standard).
  • Page 5 Performance RHM 40 Max Flow Rate Qmax = 1500 kg/min (3307 lb/min) and Qnom (*) = 1250 kg/min (2756 lb/min) Uncertainty % DP (bar) Standard Models Flow Rate Uncertainty kg/min lb/min in % of reading 1500 3307 0.20 1200 2646 0.20...
  • Page 6 General Specifications RHM 40 Temperature Range • NT Models from -20 to +120°C (-4 to +248°F) • ET Models from -45 to +120°C (-49 to +248°F) • ET2 Models from -45 to +210°C (-49 to +410°F) • ET1 Models from -196 to +50°C (-320 to +122°F) •...
  • Page 7 Order Code RHM 40 Sensor Size Temperature Range NT from -20°C to +120°C (standard) ET from -45°C to +120°C ET2 Extended Temperature Range from -45°C to +210°C ET1 Extended Temperature Range from -196°C to +50°C HT High Temperature Range from 0°C to +350°C Pressure Range of Measuring Loops @ 120°C and M1 material...
  • Page 8 920-501A © 2013 General Electric Company. All Rights Reserved. Specifications are subject to change without notice. GE is a registered trademark of General Electric Company. Other company or product names mentioned in this document may be trademarks or registered trademarks of their respective companies, which are not affiliated with GE.