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Meanwhile, manufactured gas was more commonly used than natural gas in the early 19th century, first introduced in Baltimore in 1816 with underground pipes laid starting in 1851. [6] Gas plants could be sited within cities, and many major U.S. cities such as New York, Chicago, San Francisco had gas distribution lines for manufactured gas by the ...
Trans-Caspian Gas Pipeline (proposed), eastward extension of Southern Gas Corridor to transport natural gas from Turkmenistan and Kazakhstan. White Stream , (proposed). Connecting the South Caucasus Pipeline , crossing the Black Sea to Constanta , Romania with further supplies to Central Europe .
For hoses and piping, a quick connect fitting, also called a push fitting, is a coupling used to provide a fast, make-or-break connection of gas or liquid transfer lines. Operated by hand, quick connect fittings replace threaded or flanged connections, which require wrenches. When equipped with self-sealing valves, quick connect fittings will ...
Press fittings with appropriate and region-specific certification may be used for gas lines. Stainless steel and carbon steel press fittings can withstand up to 16 bars of pressure. A disadvantage of press fittings is the dead space between the pipe and the fitting, which can possibly rule out use for beverage and food applications.
On November 28, 2000, in Portland, Tennessee, a Tennessee Gas Pipeline Company maintenance crew was welding an oil lubrication line at a compressor station when an explosion and flash fire occurred, injuring three workers. Apparently, gas from the compressor migrated into a crankcase and was ignited by a spark. The equipment was installed in 1950.
Flared fittings are an alternative to solder-type joints that are mechanically separable and doesn’t require an open flame. Copper tube used for propane, liquefied petroleum gas, or natural gas may use flared brass fittings of single 45°-flare type, according to NFPA 54/ANSI. Z223.1 National Fuel Gas Code.
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