Flow Measurement & Control


Latest Articles

Five million cycles
October 2001
In British Columbia, Canada, Tyco's Keystone K-LOK valves and Morin actuators have accumulated over 5 000 000 cycles without failure. The wastewater treatment plant operators of the District of Powell ...

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Comms converters for Namibian reservoir
October 2001
Advantech's ADAM-4520 converters are being used in a Namibian reservoir for interfacing between the various communication radios, which relay technical information to the various stations. The interfacing ...

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In-line water measurement of up to six parameters
October 2001
Siemens Environmental Systems now produces Censar, which it believes is a new concept in liquid measurement. By using the various electronic configurations, up to six parameters can be measured including ...

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Remote meter reading system
October 2001
A cost-effective, tamper-proof remote meter reading system has been developed and manufactured by a South African company, using low-cost, short-range RF transmitters. The RHM 104 system from Rotrax Technologies ...

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Vibration monitoring of water and waste pumps
October 2001, Temperature Controls
The key criteria for any pump or pumping system in the water and waste treatment industry, either above or below the ground, are reliability and longevity. Submersible pumps and pumping stations are ...

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Variable-area flowmeters
October 2001
Variable-area flowmeters, or Rotameters, are simple, economical and accurate flow measuring instruments. They consist of a tapered tube mounted vertically in the fluid stream with its larger diameter ...

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Long-life turbine flowmeters with nonwearing bearing
October 2001
Utilising a nonwearing bearing with low-drag pick-up coils and internal flow straighteners, Hoffer meters are claimed to achieve an unrivalled low pressure drop, repeatable to 0,25% of reading over the ...

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Flowmeter for hydrocarbon liquid measurement applications
September 2001
The BiRotor Plus complies with API Level B pulse output standards

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In-line water measurement of up to six parameters
September 2001
Siemens Environmental Systems has introduced Censar, said to be a new concept in liquid measurement. By using the various electronic configurations, up to six parameters can be measured including dissolved ...

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Doppler flow switch features easy installation
September 2001, Flowmetrix SA
The DFS2 Flowmetrix Doppler flow switch is a cost-effective solution to nonintrusive flow switching. The DFS2 is the latest edition to the Flowmetrix range of Doppler flow products. It offers enhanced ...

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Portable flowmeter
September 2001, N&Z Instrumentation & Control
The PDFM-IV portable Doppler flowmeter is designed for troubleshooting and quick spot checks. By using the built-in, three-key calibration system to enter pipe diameter, the unit will display, totalise ...

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The importance of recycling water in the pulp and paper industry
August 2001
Thuthuka is an established South African company providing turnkey solutions in water treatment, water reclamation, waste reclamation, waste management and related industrial environmental management

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Prepaid water meters the way to go
August 2001, Rhomberg Instruments 2006
The excitement around the provision of free water and electricity barely subsided when utility service providers woke up to the headache of delivering on this noble promise. It is a simple matter to credit ...

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Flow control in continuous blending and bottling
August 2001
Modern trends in manufacturing are moving towards soft drinks and fruit juices that are blended by continuous process, rather than by batch, and are then fed directly into the filling machine. This process ...

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Thermal (mass) flow
August 2001, N&Z Instrumentation & Control
Thermal flowmetering is a well-recognised and accurate technique for direct mass flow measurement, eliminating the need for temperature and pressure compensation. Sierra's smart thermal flowmeters are ...

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Flowmeter measurement for difficult flows
August 2001
With certain types of media, flow measurement can be 'noisy' or difficult. Solids or additives can generate unacceptably high process signal noise, which makes accurate measurement impossible. In a manufacturing ...

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Refining ultrasonic flow measurement
July 2001
Controlotron believes that dispelling the myths surrounding ultrasonic flow measurement has been the success of its flowmeters. Incorporating a hybrid design of both transit-time and doppler into one ...

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Under what circumstances should you use Doppler flowmeters? Part 2
June 2001
Doppler flowmeters are a cost-effective, nonintrusive solution to measuring flow in full pipes carrying fluids with useful sonic scatterers, such as sludges, slurries, emulsions, dispersions and pulps

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Electronic flow monitor
June 2001, Instrotech
The Kobold KAL range of electronic flow monitors continuously monitor liquid flow with minimum pressure loss. Sensitivity to residue build-up is significantly reduced as the sensor is contained in a single ...

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Ultrasonic flowmeters as accurate as mag meters
June 2001, N&Z Instrumentation & Control
Calibration tests were carried out at Eskom Enterprises - Technology Services International (TSI) Flow Laboratory (SANAS Accredited Calibration Laboratory, No.901). Nine readings were taken on a 600 mm ...

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