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Proline Prowirl R 200 / 7R2C Vortex Flowmeter

The Proline Prowirl R 200 is a highly accurate vortex flowmeter designed for applications with low or reduced flow rates. Featuring integrated temperature and pressure measurement, it eliminates the need for pipework modifications thanks to its diameter reduction capability, accommodating line sizes up to DN 250 (10″). This flowmeter ensures long-term stability with a drift-free capacitive sensor and offers high accuracy across various conditions. Its robust design and versatile installation options make it ideal for energy management in steam and gas applications.

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Description

Part Number: 7R2C

Measuring Principle:
Vortex

Product Headline:
Best-in-class accuracy with pipe reduction. Designed for easy energy management with integrated temperature and pressure measurement for steam and gases. Ideal for applications with very low or reduced flow.

Sensor Features:

  • Cost and Time Savings: No pipework modifications required for line size reduction.
  • High Accuracy: Maintains accuracy down to Re 10,000 with a highly linear vortex meter body.
  • Long-Term Stability: Features a robust, drift-free capacitive sensor.
  • Integrated Diameter Reduction: Accommodates 1 or 2 line size reductions.
  • Nominal Diameter Compatibility: Suitable for mating pipes up to DN 250 (10″).

Transmitter Features:

  • Cost and Time Efficiency: Eliminates the need for pipework modifications.
  • Consistent Accuracy: Delivers high accuracy across a range of conditions.
  • Long-Term Stability: Robust drift-free capacitive sensor ensures reliability.
  • Flexible Pressure Cell Positioning: Allows for versatile installation.

Nominal Diameter Range:
DN 25 to 250 (1 to 10″)

Wetted Materials:

  • Measuring Tube: 1.4408 (CF3M)
  • DSC Sensor: 1.4404/F316/F316L
  • Process Connection: 1.4404/F316/F316L

Measured Variables:

  • Volume flow
  • Mass flow
  • Corrected volume flow
  • Energy flow
  • Heat flow difference
  • Temperature

Max. Measurement Error:

  • Volume Flow (Liquid): ±0.75%
  • Volume Flow (Steam, Gas): ±1.00%
  • Mass Flow (Saturated Steam): ±1.7% (temperature compensated); ±1.5% (temperature/pressure compensated)
  • Mass Flow (Superheated Steam, Gas): ±1.5% (temperature/pressure compensated); ±1.7% (temperature compensated + external pressure compensation)
  • Mass Flow (Liquid): ±0.85%

Measuring Range:

  • Liquid: 0.1 to 540 m³/h (0.061 to 320 ft³/min), based on water at 1 bar a, 20 °C (14.5 psi a, 68 °F).
  • Steam, Gas: 0.52 to 7300 m³/h (0.31 to 4300 ft³/min), depending on conditions such as steam at 180 °C, 10 bar a (356 °F, 145 psi a) and air at 25 °C, 4.4 bar a (77 °F, 63.8 psi a).

Max. Process Pressure:
PN 40, Class 300, 20K

Medium Temperature Range:

  • Standard: –40 to +260 °C (–40 to +500 °F)
  • High/Low Temperature (Option): –200 to +400 °C (–328 to +752 °F)
  • High/Low Temperature (On Request): –200 to +450 °C (–328 to +842 °F)

Ambient Temperature Range:

  • Compact Version (Standard): –40 to +80 °C (–40 to +176 °F)
  • Compact Version (Option): –50 to +80 °C (–58 to +176 °F)
  • Remote Version (Standard): –40 to +85 °C (–40 to +185 °F)
  • Remote Version (Option): –50 to +85 °C (–58 to +185 °F)

Sensor Housing Material:
Sensor Connection Housing: AlSi10Mg, coated; 1.4408 (CF3M)

Transmitter Housing Material:
Transmitter Housing: AlSi10Mg, coated; 1.4404 (316L)

Degree of Protection:

  • Compact Version: IP66/67, Type 4X enclosure
  • Sensor Remote Version: IP66/67, Type 4X enclosure
  • Transmitter Remote Version: IP66/67, Type 4X enclosure

Display/Operation:
4-Line Backlit Display with Touch Control (operation from outside). Configuration via local display and operating tools is possible. Remote display available.

Outputs:
4 Outputs:

  • 4-20 mA HART (passive)
  • 4-20 mA (passive)
  • Pulse/frequency/switch output (passive)

Inputs:
Current Input: 4-20 mA (passive)

Digital Communication:
HART, PROFIBUS PA, FOUNDATION Fieldbus

Power Supply:

  • DC 12 to 35 V: 4-20 mA HART with/without pulse/frequency/switch output
  • DC 12 to 30 V: 4-20 mA HART, 4-20 mA
  • DC 12 to 35 V: 4-20 mA HART, pulse/frequency/switch output, 4-20 mA input
  • DC 9 to 32 V: PROFIBUS PA, pulse/frequency/switch output

Hazardous Area Approvals:
ATEX, IECEx, cCSAus, JPN, EAC, UK Ex

Product Safety:
CE, C-TICK, EAC

Functional Safety:
Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511.

Metrological Approvals and Certificates:

  • Calibration: Conducted at accredited calibration facilities (acc. to ISO/IEC 17025).
  • Heartbeat Technology: Meets measurement traceability requirements per ISO 9001:2015 – Section 7.1.5.2 a (TÜV SÜD attestation).

Marine Approvals and Certificates:
ABS, LR, BV, DNV

Pressure Approvals and Certificates:
PED, CRN, AD 2000

Material Certificates:

  • 3.1 Material
  • NACE MR0175/MR0103, PMI (on request)
  • Welding Test: Available upon request for Class 900/1500, per ISO 15614‐1, similar to ASME IX

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