The main steam control of a locomotive. Various types of valve and various locations for it were to be seen during the history of the locomotive but it was normally at the top of the boiler where the steam was hottest and usually in a dome.
Liquefied petroleum gas
LPG is a Dutch indie-pop band, signed on Excelsior Recordings/V2 Records. In April 2005, their critically acclaimed debut album I fear no foe was released in the Netherlands, receiving positive reviews from established magazines and websites, such as Oor, VPRO 3voor12 and Volkskrant.
LPG is an American hip-hop group from Los Angeles, California. Their name was understood to stand for "Lord's Personal Gangsters", but now is "Living Proof of Grace". They released their first album on Brainstorm Records.
Liquid petroleum gas or propane. Propane is a common fuel used for cooking and heating. CNG (natural gas) is considered safer because propane is heavy than air and will sink into the bilge if it leaks, creating the potential for an explosion.
PC241032 Pressure reflife valve
This is the saftey release valve so you dont over preasure ise your beer. Its set for 4 BAR or 42 PSI.
Regulator Valve
Photo taken at Llanfair Caereinion on the Welshpool and Llanfair Light Railway on 22nd January 2012