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Solartron ISA
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  3. Solartron ISA
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  5. Orifice Plates

Orifice Plates

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The Orifice plate is the most commonly used differential pressure device offering economical, simple and sufficient accuracy for many applications within the industry. Calibration and Dimensional Certificates are available for square edge orifice plates for use in Fiscal and Allocation metering, if required.

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Square Edge Orifice Plates

  • Process Flow Measurement of hydrocarbons, most gases and liquids
  • Allocation flow metering
  • Custody Transfer and fiscal flow metering


Conical Entrance & Quarter Circle

  • Flow measurement of viscous fluids
  • Applications with low Reynolds numbers


Eccentric Plates

  • Flow Measurement of dirty and contaminated fluids
  • Flow metering of fluids with suspended solids or entrained gas

Solartron ISA is able to offer the most suitable flow measurement solution for each application, using proven flow metering technology with Differential Pressure measurement covered in ISO 5167-2, ISO TR-15377, AGA3 and ASME MFC-3M. These devices are low maintenance with no moving parts, and considered an economical cost effective flow measurement solution for many gas, liquid and steam applications.

Applications

  • Hydrocarbon Gas & Liquids
  • Process Measurement


Allocation

  • Fiscal Measurement


Key Parameters

  • Proven Technology
  • Flow Measurement in Circular Pipes
  • No moving parts

Functional Specifications

Line Size DN15 (1/2") to DN1200 (48")
Types of Plate Square Edge | Conical Entrance | Quarter Circle | Eccentric
Beta Ratio 0.15 to 0.80 (Plate type dependent)
Reynolds Number From 80 to an unlimited maximum (Dependent on design of plate)
Accuracy (Flow Rate) ±1% with a calibrated spool, Typically ± 2 to 3%
Flow Turndown Typically >10:1, depending on Transmitter configuration

Physical Specifications
Plate / Carrier Material
304ss / 316ss / 321ss / UNS S31803
UNS S32760 / UNS S31254
Alloy 400 / 625 / 825 / C276
Tantalum / Titanium
Others available on request

Installation Method (Between)
Flanges (API / ASME)
Hubs
Carriers
Welded directly into piping