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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