GNW Instrumentation

just dots

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Safe Contractor
ENQAR

a division of gauges north west ltd

01704 536010 sales@gnw.co.uk 01704 548028

supply, repair, calibration, certification

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Flow Meters

Tubine
Ultrasonic
Magnetic
Water Meters
Variable Area Meters / Rotameters
Vortex
Batching Meters
Open Channel

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Flow Meters

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01704 536010

GNW supply, repair and calibrate all aspects of flow meters and flow measurement equipment, providing a high standard of reliability and accuracy in the measurement of liquid and gas

Whatever your requirements GNW will be able to provide a solution. From supplying low cost flow accessories to maintaining, on-sit,e large numbers of flowmeters.

All flowmeters supplied by GNW have a long and reliable service life due to the careful selection of both materials and design.

Rigorous testing is undertaken on all instrumentation and it is constantly monitored by our Quality Department from goods inwards through to despatch, ensuring that that all instrumentation is delivered to the customer in excellent working order and is ready to be installed straight away.

Selection Of The Correct Flow Meter

Selection of the correct type of flowmeter presents a challenge to even the most experienced engineer because of the wide range of flowmeters and equipment available today.

It is however a critical step, one that will affect the quality of your process for years.

Choosing the wrong meter can lead to inaccurate readings, high maintenance costs, and expensive downtime

Factors to be considered in selecting a flowmeter are:   What is the fluid being measured by the flowmeter or flowmeters (air,water,etc…)?  Do you require rate measurement and/or totalization from the flow meter?  If the liquid is not water, what viscosity is the liquid?  Cleanliness of fluid or entrained solids  Type of readout - Do you require a local display on the flow meter or do you need an electronic signal output?  What is the minimum and maximum flowrate for the flow meter?  What is the minimum and maximum process pressure?  What is the minimum and maximum process temperature?  Is the fluid chemically compatible with the flowmeter wetted parts?  If this is a process application, what is the size of the pipe?  External environmental requirements due to corrosive or hazardous atmosphere.