Pharmaceutical & medical
the measured value, repeatable to just 0.2 per cent. These margins are capable of providing the required performance for any purified water pharmaceutical application including batching, and as there are no moving parts to wear, this level of accuracy endures over time. For the same reason, FLOWave is also maintenance-free, saving time and cost. FLOWave can also simultaneously
measure real time flow rate, total flow and velocity. Measurement of flow velocity in a clean utility application is useful to ensure that a minimum flow rate within the loop, for example 0.9 – 1.5 m/s turbulent flow, is maintained at all times. This prevents build- up of biofilms and helps maintain total hygiene, and it can also be used to confirm water availability at points of use (POU) across the facility. Flow rate and velocity can be combined to measure usage at certain points in the system, with flow meters on both the supply and the return, to optimise water use and increase process efficiency. For improved operational use, FLOWave
also maintains water pressure throughout the tube, meaning that it does not create a pressure drop at the outflow that would otherwise require a higher pressure at source. Unlike a meter with obstructions within the flow, FLOWave’s straight-through tube is free of pressure-reducing restrictions. The advantages of a zero pressure drop flow meter also accumulate with a greater number of flow meters incorporated into a system, for example if multiple POUs are monitored.
Easy, compliant intEgration Compared to other flow meters typically used for purified water pharmaceutical applications, FLOWave is extremely lightweight and compact. As a result, it can be easily integrated into an existing process and takes up less factory footprint for newly designed systems and skids. As FLOWave can be held in one hand, it is also fast and simple to install by a single technician and does not require lifting apparatus. The flow meter is also configured for all modern digital communication protocols. Crucially, FLOWave also meets the
essential pharmaceutical industry compliance, including an FDA certificate of conformity and certification of compliance ASME BPE, meaning that it is approved to the most robust regulations. The tried and tested SAW technology not
only makes FLOWave an accurate and effective flowmeter for purified water pharmaceutical applications, but also means that it is extremely cost-effective. If volumetric flow measurement for low conductivity hygienic applications is required, SAW technology flow meters should be considered.
Bürkert
www.burkert.co.uk Instrumentation Monthly January 2022 23
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