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AC600 Universal Frequency InverterRead more
A variable-frequency drive (VFD) or adjustable-frequency drive (AFD), variable-voltage/variable-frequency (VVVF) drive, variable speed drive, AC drive, micro drive or inverter drive is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage. VFDs are used in applications ranging from small appliances to large compressors. About 25% of the world’s electrical energy is consumed by electric motors in industrial applications, which can be more efficient when using VFDs in centrifugal load service;5 however, the global market penetration for all applications of VFDs is relatively small.Over the last four decades, power electronics technology has reduced VFD cost and size and has improved performance through advances in semiconductor switching devices, drive topologies, simulation and control techniques, and control hardware and software.VFDs are made in a number of different low- and medium-voltage AC-AC and DC-AC topologies. Popular brands- Yaskawa, Danfoss, Siemens, Keb, Delta, Omron.
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Mechanical SealRead more
Mechanical Seals come in many types, with endless variations, to meet the varying requirements of each equipment or machine.
The 4 most common types of mechanical seals are; Rubber Diaphragm, Rubber Bellows, O-Ring Mounted & PTFE Wedge.
Take a closer look at these seal types and how they work.
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Natural Rubber Unlined Heavy Weight Full Hand Glove – WORKMANRead more
Natural Rubber Unlined Heavy Weight Full Hand Glove – WORKMAN
Model
Workman Material Natural Rubber Liner Unlined Grip Smooth Cuff Rolled Sizes 9,10 & 11 Length /mm 440 mm , 600 mm Thickness* (mm) / Weight* (g) 1.10 mm (43 mil), 1.30 mm (51 mil) Colours Black Finish Chlorinated