Flow Nozzles


Description

Flow Nozzle is a differential pressure device to measure flow rate in a closed conduit for heavy applications and high flow rate.

Flow Calculation:

Main Reference code : ISO 5167/ASME MFC-3M ; ASME PTC 19.5 ASME PTC 6 (very high performance) Other standards: ANSI 2630 /AGA-3/API Ch.14 (1992)/Miller-Spinks-Shell Engineering Handbook


Material:

All material requested by the customer / Material Specifications : all
Main Material Reference : ASTM-ASME Code


Type and Construction:

ASME Long Radius / ASME Long Radius with diffuser / ASME Throat Taps;
ASME Throat Taps with diffuser / Short Nozzle ISA 1932 / Venturi Nozzle with ISA Inlet
Flanged / Welding in Pipe with pins / With complete spool pipe and Flow conditioner


Applications: Oil & Gas / Petrochemical Industries / Power Stations
Dimensions: ISA 1932 Nozzle: 2”-20” / Long Radius Nozzle: 2”-24” / Venturi Nozzle: 2 1⁄2” – 20”
Beta Ratio: ISA 1932 Nozzle: 0.3-0.8 / Long Radius Nozzle 0.2-0.8 / Venturi Nozzle: 0.316-0.775
Reynolds Number Range: ISA 1932 Nozzle: 70000-10000000(For Low Beta ratio); 20000-10000000(For High Beta ratio) Long Radius Nozzle 10000-10000000 / Venturi Nozzle: 150000-2000000

Calibration


Accuracy (referred to flow coefficient) after calibration in accredited lab: (+/- 0.25%)

Performances


  • Accuracy (referred to flow coefficient): as per ISO Code
  • Rangeability: 1 – 4.5
  • Ripetibility: (+/- 0.1%)
  • Max PPL (50-70)% of full scale differential pressure
  • Straigth Lengths Requirements: as Specified In ISO 5167 International Code

Notes


  • Flow Meters can be manufactured according to all Customer Specifications.
  • Flow Meter can be supplied with all suitable accessories (valves / manifold / condensing pot / transmitter / fitting / tubing)