Flow Tubes

Product code: Flowtube

Product Overview

Our Flow Tubes are available to buy separately from our units and are used in a large number of OEM applications. At Influx we hold stock of all our standard flow tubes for the most common liquids and gases under normal operating conditions. Details of our standard flow tubes can be found in the flow tube selection tables download on this page. In addition to our standard water and gases scales, we will produce scales to suit specific fluids, units of measure and operating conditions. Please enquire for more details about this service.

Key Features & Benefits

  • Metric and imperial units of measure
  • Gas mixes
  • Various tube lengths
  • Range of scale and background colours

Standard Materials

Flow Tube Borosilicate Glass
Floats 316 Stainless Steel, Anodised Aluminium, Peek or Titanium
Flowrate Reading 'Top' edge of the Float @ middle of the Graduation Line

Product comprises of:

  • Uniflux


    Part number: Uniflux

    Part summary: 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. Please see Glass Tube Selection Table for information on standard flow ranges. Flow tubes are also available separately for integration into customer equipment.

  • Reflux


    Part number: Reflux

    Part summary: Reflux Flow Transmitters combine variable area flowmeter and position sensing technology to provide both a direct reading and 4 to 20 mA transmission output in a single unit. This unique approach makes the Reflux Flowmeter an ideal choice for integration into customer equipment.

  • Fluxline


    Part number: Fluxline

    Part summary: Suitable for both our glass and acrylic flow tubes, Fluxline meters provide a safe and resistant solution for various applications. A high impact resistant polycarbonate cover surrounds the glass tube in our Safety Housed frame, protecting it from accidental damage. Flow tubes are also available separately for integration into customer equipment.

  • LPL


    Part number: LPL

    Part summary: The LPL Series Housed Flowmeter is suitable for both our glass and acrylic flow tubes mounted within a rugged industrial housing. They are available in 3 tube scale lengths up to 250mm and various connection sizes.

  • Deltaflux


    Part number: Deltaflux

    Part summary: The Deltaflux Orifice Meter is ideal for direct flow indication of high liquid or gas flows in large pipe sizes. It offers an economic, easy to use and low maintenance solution that does not require external powering.

  • Firesure LPC


    Part number: FS

    Part summary: Our Firesure flowmeters are designed for sprinkler fire pump testing. They are approved by LPCB and are simple and quick to install. We offer both our standard Firesure meter and our Firesure X meter, which allows for remote mounting, in a range of sizes suitable for both horizontal and vertical pipes and in a wide range of flows. They are both available with either flanged or grooved connections. These flowmeters are also available with FM approval.

  • Firesure FM


    Part number: FSFM

    Part summary: Our Firesure FM flowmeters are designed for sprinkler fire pump testing. They have FM approval and are simple and quick to install. Firesure FM is available in a range of sizes suitable for both horizontal and vertical pipes and in a wide range of flows scaled in both USGPM and dm³/min. They are available with either between flange or groove connections. These flowmeters are also available with LPCB approval.