Product category:
Conventional Industrial Liquid flowmeters
News Release from: Krohne | Subject: Krohne VA40
Edited by the Processingtalk Editorial
Team on 10 March 2005
Flowmeters play crucial role in PTA
centrifuges
Krohne variable area flowmeters are performing a critical role to ensure the reliable operation of the world's largest Pure Terephthaltic Acid centrifuges, designed and manufactured by Broadbents
Krohne VA40 variable area flowmeters are performing a critical role to ensure the reliable operation of the world's largest Pure Terephthaltic Acid (PTA) centrifuges, which have been designed and manufactured by Thomas Broadbent The instruments are being used to monitor the flow of demineralised water which lubricates and cools mechanical seals on the centrifuges
This article was originally published on Processingtalk on 14 Aug 2008 at 8.00am (UK)
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Thomas Broadbent has been awarded contracts to the value of GBP27 million to supply in excess of 30 centrifuges into India, China and Thailand where they are used in the manufacture of PTA which is used to produce polyester fibre.
The centrifuges are used at the primary dewatering stage of production where they can process up to 50 tonnes of dry PTA powder per hour.
The seals are vital to the effective operation of the centrifuges and can operate at temperatures in excess of 140C.
Insufficient water flow within the seals could lead to overheating and failure, which would result in costly downtime and repairs.
Nine VA40s are installed on each centrifuge.
The instruments are fitted to the input and output of the water supply to the mechanical seals where they measure the flow of water in and out.
Any difference in the input and output values could indicate a water leak, which would affect lubrication and cooling and potentially damage the seals.
The flowmeters are fed with demineralised water from a centralised supply system which flows at rates of between 3 litres per minute and 18 litres per minute.
"Product quality, competitive pricing and the ability to provide strong after-sales support were the key reasons why we awarded this contract to Krohne," said John Wright, business manager for Thomas Broadbent.
"Our success in this market is based on our ability to offer the most cost-effective and technically advanced centrifuge packages.
"To enable us to do this we need suppliers that can also meet these criteria.".
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