Uniflux Variable Area Flowmeter

Product Overview

Uniflux direct reading flowmeters combine versatility, practicality and accuracy for the measurement of gas and liquid flowrates. They are available in standard, compact and long series as well as a range of materials and are suitable for panel or inline mounting. They offer either fine or ultrafine needle control valve options as well as high visibility and ease of installation. A wide range of standard and customised scales are available to meet even the most specific requirements.


  • Gas Ranges: 5 cc/min to 150 L/min Air (or equivalent)
  • Liquid Ranges: 1 cc/min to 4.4 L/min H2O (or equivalent)
  • Scale length: 30, 100 & 140mm (typical)
  • Accuracy Class: 4.0, 2.5, 2.5 VDI/VDE
  • Repeatability: Better than 0.5%
  • Standard Conditions: 1013 mbarg @ 20ºC
  • Pressure: 20 Barg max (non shock)
  • Temperature Range: -15 to +120ºC
  • Process Connections: ¼˝ BSPP female inline or rear facing Materials nickel plated brass on 316 stainless steel
  • Seals: Viton standard, Nitrile, PTFE & KALREZ options
  • Tube: Borosilicate Glass
  • Float: Stainless Steel, Anodised Aluminium, Acetal or PEEK


  • Bench Stand
  • Needle Valve: Integral, multi-turn, stainless steel, fine or ultrafine
  • Alarms: Infra-red / induction, power supplies, Atex
  • Transmitter: 4-20mA output, Atex
  • Customisation: Special scales for non standard conditions and medium
  • Calibration: Certification, options available