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The company was founded by Cecil Duckworth in 1962 as Worcester Engineering Co Ltd, based at the Old Vinegar works in Worcester. Worcester's early success is attributed to the pioneering of combination boilers in the UK, [3] further successful performance in the UK heating market led to the expansion and relocation of the factory to its current headquarters in Warndon in 1990.
Flame lift-off in oil fired pressure jet burners is an unwanted condition in which the flame and burner become separated. This condition is most commonly created by excessive combustion air and often results in the loss of flame as the photoelectric cell fails to register the light of the flame, this in turn results in a safety lockout of the control box.
If the pilot light goes out, the pilot generator cools off and the current stops, closing the gas valve. Other units use a non-electrical approach, where the pilot heats a bimetallic element or a gas-filled tube to exert mechanical pressure to keep the gas valve open. If the pilot fails, the valve closes.
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submerged multi-tube boiler: a vertical multi-tubular fire-tube boiler, with the boiler shell extended upwards in an annular ring, so as to always maintain the whole length of the tubes submerged. Used in steam wagons and similar, where the water-level may be disturbed as the vehicle climbs a hill.
The benefit of architectural lighting control systems in the theater is the ability for theater staff to turn worklights and house lights on and off without having to use a lighting control console. Alternately, the light designer can control these same lights with light cues from the lighting control console so that, for instance, the ...
Family, friends and community members came to mourn 10th grade Doherty Memorial High School student Harris Wolobah, who died Sept. 1.
Boiler explosions generally fell into two categories. The first is the breakage of the boiler barrel itself, through weakness/damage or excessive internal pressure, resulting in sudden discharge of steam over a wide area. Stress corrosion cracking at the lap joints was a common cause of early boiler explosions, probably caused by caustic ...