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Variable Area Flow Meters & Rotameters

Mechanical variable area flow meters (known as rotameters) provide direct viewing of flow rate for basic flow measurement of either water / liquids or gases (eg air, nitrogen, hydrogen, oxygen, argon, helium) by aligning the float with marks on the rotameter flow tube.

Where VA flow meter calibration has been carried out for defined media conditions, deviations in the quoted density, pressure or temperature of gases, or in the density or viscosity of liquids, will result in measurement errors.

Variable Area / Rotameter Description, Pros and Cons

Advice on Selecting Variable Area / Rotameter Flow Meters

Variable Area Flow Meters & Rotameters - Parameter Comparison

Orifice Flow Meter F O N4

Orifice Flow Meter to Measure the Flow of Transparent Liquids in Closed Piping

The F O N4 orifice flow meter is used to measure the flow of transparent liquids in closed piping. Any mounting location, position and flow direction can be selected for the flow meter. The flow meter can also be used for flow monitoring if equipped with limit contacts.

Rotameter Flow Meter F VA Tubux M30

Variable Area Flow Meter with Glass Flow Tube for Water, Liquids, Air & Gases and High Temperature Applications

Rotameter / VA flow meter from Mecon GmbH that is compatible with many chemical substances and can withstand temperatures up to 150 deg C

From: £110.40

Rotameter Flow Meter F VA Trogflux

Low Cost Plastic Rotameter / Variable Area Flow Meter for Water & Transparent Liquids, Air & Gases

General purpose plastic rotameter / VA flow meter from for non-demanding liquid or gas flow applications. The F VA Trogflux rotameter flow meter is available in standard or short tube lengths

Stock Item

Rotameter Flow Meter F VA Tubux

Variable Area Meter with Glass Flow Tube for Water, Liquids, Air & Gases and High Temperature Applications

Rotameter / VA flow meter from Mecon GmbH that is compatible with many chemical substances and can withstand temperatures up to 150 deg C

Rotameter Flow Meter F VA Unox

Variable Area Flow Meter with Removable Glass Flow Tube for Water, Liquids, Air & Gases and High Temperature Applications

Rotameter / VA flow meter with a glass flow tube from Mecon GmbH that is compatible with many chemical substances and can withstand temperatures up to 150 deg C. The F VA Unox rotameter allows installation or removal of the flow tube without removal of the fitting.

Rotameter Flow Meter F VA Minix

Aluminium Rotameter with Glass Flow Tube and Built-in Needle Valve for Manual Control of Flow Rates

Aluminium rotameter / VA flow meter from Mecon GmbH with built-in needle valve that can measure water & liquid flow rates up to 500 l/hr and air / gas flow rates up to 8000 l/hr

Rotameter Flow Meter F VA 250

All Metal Rotameter / Variable Area Flow Meter for Rugged Environments, High Temperatures & Pressures

Metal rotameter / VA flow meter from Mecon GmbH for water, liquids, air, gases that features a robust stainless steel design for use with aggressive fluids up to 300 deg C and 16 Bar

Low Flow Rotameter Q flow for Liquids & Gases

Versatile Variable Area Flow Meter for Liquids or Gases at Low Flow Rates

Q flow is a modern range of variable area rotameter flow meters from Voegtlin Instruments for gases or liquids, particularly at low flow rates. The Q flow range includes a choice of tube lengths, materials and connections for versatile application.

Low Flow Rotameter V 100 for Liquids & Gases

Laboratory Variable Area Flow Meters for Gases or Liquids at Low Flow Rates

V-100 is a flexible range of variable area rotameter flow meters for gases or liquids, particularly for laboratory use and at low flow rates. It includes a choice of tube lengths, materials and connections for versatile application

Micro Needle Valve M flow

High Precision Needle Valves for Fine Dosages

The M-flow is an integrated constituent of Q-flow and V-100 float rotameters that is often used as separate valve units for OEM applications. M-flow micro valves were developed for fine dosages of gases and liquids.

Variable Area Flow Meters from GF

Plastic variable area flow meters from GF Piping Systems

Plastic variable area flow meters from George Fischer which are radially installed dismountable meters for measuring the rate of flow in industrial pipework applications. These VA meters can be used for a wide range of applications and a variety of media.

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