Rheonik RHM 15 Flow Sensor

Rheonik RHM 15 Flow Sensor
Rheonik RHM 15 Flow Sensor - Image 2
Rheonik RHM 15 Flow Sensor - Image 3

 

The RHM 15 is an all-purpose meter suitable for liquid processing plants. A wide application flow range capability allows for commonality of installation across numerous lines – a real benefit to owners and operators.

  • Range: 0 kg/min up to 240 kg/min
  • Pressure: up to 359 bar (5206 psi)
  • Temperature: -50°C (-58°F) up to +210°C (410°F)
  • Accuracy: 0.1 % of rate
  • Materials: SS 316L / SS 316Ti, Alloy C22 – 2.4602, Super Duplex – 1.4410, Tantalum – UNS R05200
  • Process Connection: ¾” up to 2″
MFG Part Number RHM-15
Stock Limited
SKU RHEONIK-RHM-15 Category Tag

 

General Specifications

Nominal Flow (Qnom)* 150 kg/min (330.7 lb/min)
Maximum Flow (Qmax)* 200 kg/min (440.9 lb/min)
Typical Minimum Flow (Qmin)* 2 kg/min (4.4 lb/min)
Serial Tube / Single Path Flow rates Qmax, Qnom and Qmin for “serial” sensors will be 50% of the above listed parallel/dual path version.
Operating Temperature Fluid temperature range options cover applications from -196°C to +350°C (-320°F to +662°F). For integral transmitter versions please refer to transmitter datasheet
Ambient Temperature -50°C to +80°C (-60°F to +180°F) (standard), versions available for installation in vacuum chamber (-260°C / -430°F) or oven (up to +210°C / +410°F) (optional)
Pressure Ratings Up to 882 bar / 112792 psi – dependent upon material
Electrical Connection Sensor w/o Integral Transmitter

M20 x 1.5 standard cable entry for JM, SM terminal box versions
Optional entries available: ½” NPT or M25 x 1.5 (only for SM) or ¾” NPT (only for SM)
M16 x 1.5 standard cable entry for PM terminal box version
Max. cable length to remote RHE transmitter 100 m/330 ft
Sensor Enclosure Materials

Stainless steel 304 (standard), SS 316 (optional)
Coated aluminum terminal box, SS 316 terminal box (optional)
Enclosure Type Protection class IP66, NEMA 4X (standard), IP66/67, NEMA 4X/6 (optional)
Wetted Materials

Flow tubes SS 316Ti, Alloy C22, Tantalum or SuperDuplex
Manifolds SS 316L; Seal material (manifold construction): PTFE
Standard flanges SS 316Ti, other connections SS 316L
Additional/customer specific materials available upon request
Process Connections Nearly any – the Rheonik AnyPipeFit Commitment. Consult factory for types/sizes not listed in this data sheet on the Mechanical Construction pages
Pressure Rating Compliance

Europe – PED: Sound Engineering Practice (SEP), Module A2, Module B3.1+C2
Canada – CRN: Canadian Registration Number
Certifications and Approvals

ATEX / IECEx Approvals for Zone 0, 1 (details see page 17)
North American Approvals Class I, Div. 1, 2, Gr. A,B,C,D, Zone 0, 1
MID custody transfer approval (OIML R117)
American Bureau of Shipping (ABS) Product Type Approval for use on marine vessels
Testing and Inspection All sensors are hydro tested, calibrated and supplied with a traceable calibration certificate. Customized calibration and testing services are available
Project Documentation and QA, Services

Rheonik offers a full set of services for large and complex engineering projects.
Typical services offered are, but not limited to:

  • Certificates of origin and conformity, mill certificates
  • Data books including WPAR, WQS, NDT, test & quality plans, functional testing, calibration procedures, customized packing, factory acceptance etc.
  • Painting to project specification
  • Start up and commissioning services on/offshore
Options

Enclosure heating for high temperature applications
Cleaning for oxygen service
For more consult factory
Pressure Drop
CSM Rheonik diagram

At Qnom pressure drop across a parallel tube sensor will be approximately 1 bar (14 psi) for H2O. Sensors can be operated at higher flow rates up to Qmaxax but pressure drop will be higher. Typical Minimum Flow Qmin is the recommended lowest flow rate for an accurate measurement. Sensors will measure flow rates lower than Qmin but uncertainty will increase beyond 1% of rate.

The flow specifications above relate to standard pressure, parallel tube, manifold sensor versions. Models with higher pressure ratings have increased wall thickness and will have higher pressure drops.

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