Industrial power tubes (valves)
November 2004
Valves, Actuators & Pump Control
Denver Technical Products, which has been active in the power tube business for the last 15 years, has now been appointed the South African distributor for e2v Industrial Power Tubes. E2v was previously known as The English Electric Valve Company (EEV). Industrial triodes are at the heart of industrial high frequency heating. Tubes are available with output power ranging from 4,5 to 530 kW and many equivalents are available for tubes manufactured by other manufacturers.
Induction heating
Induction heating is a method of heating conductive materials by subjecting it to an alternating electromagnetic field, usually at a frequency of between 100 to 500 kHz. Popular applications are pipe welding, braising and heat treatment.
Dielectric heating
This is a method of heating non-conductive materials, at frequencies from 5 MHz to 80 MHz, typical applications include, plastic welding of office stationery, welding of inflatable boats, tarpaulins, wood gluing of plywood, laminated wood and chipboard.
RF drying
This is a method of removing water in food prior to packaging and is commonly used in the textile industry for the removal of water from freshly dyed bobbins of textile.
Further reading:
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Valves, Actuators & Pump Control
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Compact valve position indicator
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Valves, Actuators & Pump Control
Emerson’s new TopWorx DVR Switchbox is an entry-level addition to the DV Series of valve position indicators. It combines a durable resin enclosure, compact size, and a patented cam design that provides a reliable valve position feedback for water and wastewater systems, food and beverage production lines, and industrial utilities.
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Precision, control and performance in regulators and control valves
Valve & Automation
Valves, Actuators & Pump Control
Cashco has long been a trusted name in industrial control solutions, offering a broad range of regulators and control valves designed to meet the rigorous demands of various industries. There are two key Cashco product lines, its regulators and the Ranger QCT control valve.
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Advanced solutions for valves
Bearing Man Group t/a BMG
Valves, Actuators & Pump Control
BMG delivers state-of-the-art valve solutions to diverse industries across Africa, in collaboration with InterApp, a global leader in the design and manufacture of high-quality valves.
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ENERGYValves expands operations
Valves, Actuators & Pump Control
ENERGYValves is expanding its operations with a new facility in Cape Town. The new premises will significantly enhance the company’s capacity to serve the Cape Town market and surrounding areas.
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Revolutionising slurry management in mining operations
Valves, Actuators & Pump Control
Dynamic Fluid Control has launched the Vent-O-Mat Slurry Air Release Valve, designed to set new standards in performance and technology for the mining industry.
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Inspection system for leak detection in valves in hazardous areas
Extech Safety Systems
Valves, Actuators & Pump Control
Leaking valves in industrial plants not only lead to loss, safety risks and possible contamination and pollution, but also result in high economic costs. Therefore, valves in hazardous areas require regular proper inspection and preventive maintenance to ensure their functionality.
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High-flow solenoid valve
Emerson Automation Solutions
Valves, Actuators & Pump Control
Emerson has introduced the new ASCO Series 327C solenoid valve, which features a direct-acting, high-flow design that provides superior flow-to-power ratio. It permits high flows at minimum power levels, making it ideal for use in power plants, refineries, and chemical processing facilities.
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New system improves performance of magnetic drive pumps
Valves, Actuators & Pump Control
KSB Pumps and Valves has introduced its ground-breaking MagnoProtect system for the local petrochemical, chemical and general industry markets ,to enhance the safety and performance of its magnetic drive pumps.
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Emerson software optimises maintenance
Emerson Automation Solutions
Valves, Actuators & Pump Control
Emerson has announced the Plantweb Insight Valve Health Application, a powerful software tool that combines Fisher control valve expertise with advanced analytic algorithms. The new app makes it possible for users to visualise an entire connected fleet of valves, while prioritising actions based on the health index of each valve.
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