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Product CategoriesFlow Meters - RotametersELF Purge flow metersEFR3 Constant flow regulatorEM-series flow metersEFR14 Constant flow regulatorEH-series flow metersEB-series flow metersELC Purge flow metersEMC-series flow metersEHC-series flow metersEBC-series flow meters

Esko EFR14 Constant Flow Regulator

Automatic regulation of flow rate for flows up to 5.3 gallons/minute (20 liters/minute) water flow. The EFR14 is a membrane type differential pressure controller with built-in control valve for flow rate adjustment. Used in applications where supply or back pressure varies, the EFR14 is often fitted to an EM meter for flow rate monitoring.

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  • Applications

    • Liquid and gas purge applications
    • Tank level measurement
    • Designed for use with Esko EM and Kytola VL flow meters
  • Features

    • Built in flow adjustment valve
    • Solid heavy-duty construction
    • Clearly labelled connection points
    • Compatible with variable area flow meters of corresponding flow range
  • Options

    • Viton / EPDM seals
SpecificationsOrder GuideData sheet (PDF)Request information

Technical Specifications

Maximum Flow

5.3 USGPM (20 LPM) H2O

Nominal Flow

3.7 USGPM (14 LPM) H2O

Body material

SS 316



O-ring seals

Nitrile (optional Viton / EPDM)

Maximum differential pressure

175 psi (optional 290 psi)

Maximum static pressure

360 psi

Maximum temperature

194°F / 90°C

Installation orientation

Any required


1/2" NPT or BSP


1.66bs / 0.75kg

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