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The first edition of the Boiler and Pressure Vessel Code, known as the 1914 edition, was a single 114-page volume. [6] [7] It developed over time into the ASME Boiler and Pressure Vessel code, which today has over 92,000 copies in use, in over 100 countries around the world. [5]
Napier boiler: A high-domed low-pressure boiler used on early steamships. [41] Also known as the "haystack", although not the usual, and even earlier, haystack boiler. [41] Niclausse boiler: a field-tube boiler, with the field-tubes set at a shallow angle to horizontal. [6] [42] Normand boiler: an early three-drum boiler used mainly by the ...
The USRA 2-8-8-2's were designed with 25-by-32-inch (640 mm × 810 mm) high-pressure cylinders, 36-by-32-inch (910 mm × 810 mm) low-pressure cylinders, 57-inch (1,400 mm) diameter driving wheels, and a working boiler pressure of 240 psi (1.7 MPa), and they were able to generate a tractive effort of 106,000 lbf (471.51 kN) with compound expansion.
A package boiler is a factory-made boiler. Package boilers are available in a range of standard designs. Package boilers are used for heating and act as a steam generator for small power purposes such as self-powered industrial plants. Package boilers are low pressure designs. A low pressure means low temperature water in the heat exchanger.
a feedwater pump without moving parts that uses steam pressure and the Bernoulli effect to force feedwater into the boiler, even against its pressure. Klinger gauge glass A form of gauge glass where the water level is visible through a flat glass window in a strong metal frame, rather than a cylindrical tube. These were popular with some ...
Also, higher steam pressure will be possible than with saturated steam, enabling the steam to carry more energy. Although superheating adds more energy to the steam in the form of heat there is no effect on pressure, which is determined by the rate at which steam is drawn from the boiler and the pressure settings of the safety valves. [12]
A boiler with both steam drum and mud/water drum is called a bi-drum boiler and a boiler with only a steam drum is called a mono-drum boiler. The bi-drum boiler construction is normally intended for low pressure-rating boiler while the mono-drum is mostly designed for higher pressure-rating. [1]
GWR 52xx class, showing the steam heating hoses. The hose above the buffer beam is for the vacuum brake, that below the number and to the photograph's right is for steam heating. In 1903, Chicago businessman Egbert Gold introduced the "Vapor" car heating system, which used low-pressure, saturated steam. The Vapor system was safe and efficient ...
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