Valves, Actuators & Pump Control


Latest Articles

Jacketed pumps
December 2003, Atelier SA
Hot or cold water/steam jackets, which completely surround the pump body and manifolds, make flotronic pumps suitable for products that need to be kept warm/cold. One nut diaphragm maintenance is unaffected ...

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Improved tank protection
November 2003
The Marvac range of products is offered by DLM (Dupleix Liquid Meters) to protect low-pressure storage tanks and vessels. These products help to prevent damage to the tank and also prevent the tank's ...

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Hygienic valve for CIP operation
November 2003, Spirax Sarco South Africa
Mitech's Hygienic valve is ideal for CIP operation up to a temperature of 150°C in the food, brewing and medical industries. The locally designed and manufactured valve is cavity free allowing it to be ...

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Dart control valves
November 2003, Spirax Sarco South Africa
Mitech's customised dart control valves are used mainly on cyclone and flotation cells at gold and platinum mines to control the level of solution in the tanks. Both plug and seat can be made from various ...

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Full lift safety release valves
November 2003
Bailey Birkett has been providing customers in the process, petrochemical and oil and gas industries with a range of pilot operated, spring loaded safety relief and thermal relief valves for more than ...

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High-performance valve actuator system
October 2003
G-Series models are qualified by accelerated wear testing

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Valve proves its worth
October 2003, Spirax Sarco South Africa
Mitech recently subjected its Valvtechnologies' ball valves to various test factors to determine if there could be a cost saving in the manufacture of the instrument as well as carrying out test comparisons ...

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Safety shut-off valves for the oil and petrochemical industries
September 2003, Training & Education
The Maxon Corporation of the USA is a primary supplier of safety shut-off valves to the combustion industry. Known internationally for their reliability, longevity and compliance with international safety ...

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Slimline metallic pumps
September 2003, Atelier SA, Integrated Solutions
Hall 1, E 19 and 20 Contact Christine Lampret, 011 872 0330 Machined from solid metal, this compact and self-draining pump range is available in 216 stainless steel, aluminium and also exotic metals, ...

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Modular valve manifolds with enhanced functionality
September 2003, Security Services & Risk Management
Numatics SA has been specified on a very large project in the Richards Bay area involving ISO manifolds with Profibus DP manifolds. The company's approved G2-2 electronics allows for enhanced capability ...

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Quarter-turn electric actuators
September 2003, Security Services & Risk Management
The Series ELQ XP electric actuators are powerful, ¼-turn units with five sizes covering the torque range from 100 to 800 Nm. They incorporate high ratio drive (HRD) gearing which provides a compact backlash ...

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Control valves - more than a century of development
August 2003
As for the future, valve manufacturers are still working flat out to find materials that will create a truly frictionless valve

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Full-range position transmitter with digital sensing
August 2003, Valve & Automation
Westlock has merged absolute encoder sensing technology with loop-powered analog transmission to create the Spectrum DT full-range position monitor. The communication mode continues to be the standard ...

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Smart electro-pneumatic positioner
August 2003, Samson Controls
Samson is offering a smart positioner with communication capabilities. This Type 3780 smart i/p positioner is suitable for universal attachment to linear and rotary control valves by means of various ...

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Robust, user-friendly positioners
August 2003, Spirax Sarco South Africa
Mitech's positioners are modular in design and are suitable for a 20 to 100 kPa or 4 to 20 mA signals. Available as either single or double acting, the positioners are easy to set up and calibrate. Two ...

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Quarter turn control valves
August 2003
In the process industry, control valves are often considered to be the most important element. For plant and personnel safety as well as to satisfy safety regulations, accurate control is now a necessity ...

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Safety relief valves tailored for applications
August 2003
Often used on vital services such as steam, air, gases, water and process fluids, the Bailey 700 Series of safety relief valves offers a broad range of protection against overpressure. The new Bailey ...

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Continuous dosing control
August 2003, Spirax Sarco South Africa
Mitech's Globe Control valves were designed to accurately dose reagents into the flotation process in a ring main dosing system at a local mine. The valves also monitored the process, reducing reagent ...

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Solutions for hygienic applications and corrosive environments
August 2003
Dupleix Liquid Meters (DLM) is offering the Bailey range of stainless steel pressure reducing and safety relief valves suitable for hygienic service and corrosive environments, clean steam and industrial ...

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Actuator series offers 1:10 control ratio
July 2003, News & Events, Security Services & Risk Management
G. Kromschröder has developed a new series of actuators. The first member of this series is the 3-point step IC 20 actuator, with butterfly valves for air (BVA) and for gas (BVG).    The IC 20 actuator ...

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