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Yokogawa Rotameter Flow Meter, RAGN

RAGN Rotameter Flow Meter

Brand: Yokogawa Electric Corporation
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Yokogawa Rotameter Flow Meter, RAGN
The RAGN is a glass tube variable area flow meter designed for continuous flow measurement of liquids and gases, featuring a borosilicate glass metering tube with a brightly colored, easy-to-read scale. 

Actual flow is indicated by the top of the float and can be directly read from the scale on the metering tube.

Ideal for aggressive applications, the RAGN comes standard with in-line 316 stainless steel fittings and optional stainless steel, titanium, PTFE or PVDF floats. In addition, connection fittings can be chosen from either NPT thread or flanged connections.
Features
  • Simple, Non-Complex Design
    • Its complete stainless steel design gives the RAGN a higher corrosion resistance and no magnetic interferences with Reed switches.
  • Meets High Safety Standards
    • All RAGN rotameters are equipped with a turnable splinter shield and all materials conform to international standards. For SIL applications, RAGN rotameters have been assessed in accordance with SIL1 level on the basis of the IEC61508:2010. In addition, FMEDA reports are available to support SIL applications.
  • Maintenance Saving
    • With common applications and normal operating conditions, the RAGN is considered maintenance-free. In addition, many components are replaceable, allowing for in-field maintenance or service to be done without having to replace the meter, which reduces shutdown time.
  • Energy Efficient
    • Rotameters require little to no external power, greatly reducing a plant’s carbon footprint while lowering installation costs. The design of the rotameter reduces pressure loss, providing a more accurate flow rate measurement.
  • Other Features & Options
    • Optional limit switches with connection box to alert operator of system errors
    • Bistable inductive ring sensor, magnetic limit switch options
    • Percentage scale or dual scale options
    • Optional valves
    • Power supply for limit switches available
    • Custom designed upon request

Specifications

Brand

Applications

  • Controlling of Water Circuits
  • Industrial Gas Measurement
  • Visual Fluid Monitoring

Approvals & Certifications

  • (PED) Directive 97/23/EG
  • ATEX: Intrinsically Safe, PTB 03-ATEX-2111
  • CE 0344, Ex II 2 G - Bistable Inductive Ring Sensor
  • IEC 61508: 2010
  • ISO 13849 - Machinery Directive

Approvals & Certifications

  • Certificate of Compliance with the Order According to EN 10204: 2004-2.1
  • Flow Table Test for Recalculation + mm-Scale
  • Material Certificate for Insertion Parts or Flange Connections According EN 10204: 2004-3.1
  • PAMI Test (2 or 4 Test Points)
  • Pressure Test Report for Metering System

BSP Connection

  • G 1” Female
  • G 1/2” Female
  • G 1-1/2” Female
  • G 2” Female
  • G 2-1/2” Female
  • G 3/4” Female

Cone Material

  • Borosilicate Glass

Consumption

  • 2.2 mA According to DIN EN 60947-5-6 (NAMUR) - Float Above Ring Sensor (Bistable Inductive Ring Sensor)

Diameter

  • 0.06” to 2.12” (1.59 to 54.1 mm) - Float
  • 0.39” to 3.18” (10 to 81 mm) - Metering Tube

Electrical Connectors

  • 2 x 0.14 mm² with Shield 0.4 mm², 2 metre Long - Bistable Inductive Ring Sensor
  • LIYY 2 x 0.34 mm², 1 Meter Long - Reed Contact with Bistable Switching

Electrical Rating

  • 2 A at 230 V, 40 W/VA - Reed Contact with Bistable Switching
  • 2 A at 250 Vac, Max.

Enclosure, Body Material

  • AISI 304 Stainless Steel 1.4301
  • Polystyrene - Reed Contact with Bistable Switching

Environmental Protection

  • Explosion-proof According to Guideline 94/9/EG (-25° to 60° C), Ex ia IIC 2 G T6 - Bistable Inductive Ring Sensor
  • Intrinsically Safe According to EN 60079-11 & IEC 60079-11 Chapter 5.7 & ANSI/ISA 60079-11, IIC 2 G T6 - Reed Contact with Bistable Switching
  • IP65 - Reed Contact with Bistable Switching
  • IP67 - Bistable Inductive Ring Sensor

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 150# ASME B16.5
  • 1-1/2” (DN 40) - PN 40 (EN 1092-2 Form B1)

Flange Size - 1” (DN 25)

  • 1” (DN 25) - 150# ASME B16.5
  • 1” (DN 25) - PN 40 (EN 1092-2 Form B1)

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - 150# ASME B16.5
  • 1/2” (DN 15) - PN 40 (EN 1092-2 Form B1)

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150# ASME B16.5
  • 2” (DN 50) - PN 40 (EN 1092-2 Form B1)

Flow Rate

  • 0.002 to 10,000 L/hr (0.002 L/hr to 10 m³/hour) - Water at 20° C (68° F)
  • 0.1 to 1,60,00 L/hr (0.1 L/hr to 160 m³/hour) - Air at 20° C (68° F), 1 bar Absolute

Fluid

  • Gas
  • Liquid

Gasket Material

  • EPDM (FDA Conform)
  • FKM
  • NBR

Length

  • 14.76” (375 mm) - Installation Length (Thread & Clamp Connection)
  • 16.7” (425 mm) - Installation Length (Flange Connection)
  • Tube Length Typical: 300 mm (11.81”)

Materials of Construction

  • AISI 316Ti Stainless Steel, 1.4542 - Float
  • PFA - Stopper
  • PTFE - Float
  • PVDF - Stopper, Float (FDA Conform)
  • Titanium - Float

Maximum System Pressure

  • psi: 232.1 (kPa: 1,600, bar: 16)

Measurement Accuracy

  • 1.6 % According to Directive VDI/VDE 3513
  • 2.5 % According to Directive VDI/VDE 3513

Media

  • Air
  • Liquids & Gases
  • Water

NPT Connection

  • 1” NPT Female
  • 1/2” NPT Female
  • 1-1/2” NPT Female
  • 2” NPT Female
  • 2-1/2” NPT Female
  • 3/4” NPT Female

Nut & Bolt Material

  • 316 Stainless Steel - Nut
  • Galvanized Steel - Nut

O-Ring Material

  • EPDM (FDA-Conformity)

Power Supply

  • 115 Vac, ± 10 %, 45-65 Hz - Transmitter Relay
  • 230 Vac, ± 10 %, 45-65 Hz - Transmitter Relay
  • 24 Vdc, ± 25 % - Transmitter Relay
  • 4.5-15 Vdc - Bistable Inductive Ring Sensor

Process Connection Material

  • 316L Stainless Steel - Threads G, NPT, Flange EN/ASME , Clamp ISO 2852
  • Brass - Valve (Inner Thread, Double Fitting is Attached, Not for FDA)
  • Stainless Steel - Valve (Inner Thread, Double Fitting is Attached, Not for FDA)

Process Temperature

  • -25° to 100° C (-13° to 212° F)

Relay Output

  • 1 or 2 Potential Free Changeover Contacts - Transmitter Relay

Size

  • Clamp: 1/2” to 2-1/2” (ISO 2852)

Switch Type

  • Bistable Inductive Ring Sensor
  • Transmitter Relay According to DIN EN 60947-5-6 (NAMUR)

Temperature Range

  • -10° to 70° C (-14° to 158° F) - Reed Contact with Bistable Switching
  • -25° to 65° C (-13° to 149° F) for Non- Explosion-proof - Bistable Inductive Ring Sensor

Turndown

  • 10:1 - P Metering Tube
  • 20:1 - L Metering Tube

  • Controlling of Water Circuits
  • Industrial Gas Measurement
  • Visual Fluid Monitoring

Documentation

Data Sheets

Product Manuals

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