control+valve+stack

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• Relief valve — The relief valve is a type of valve used to control or limit the pressure in a system or vessel which can build up by a process upset, instrument or equipment failure, or fire. The pressure is relieved by allowing the pressurised fluid to flow… …   Wikipedia

• Engine control unit — An engine control unit (ECU) is an electronic control unit which controls various aspects of an internal combustion engine s operation. The simplest ECUs control only the quantity of fuel injected into each cylinder each engine cycle. More… …   Wikipedia

• Ship gun fire-control system — Mk 37 Director c1944 with Mk 12 (rectangular antenna) and Mk 22 orange peel Ship gun fire control systems (GFCS) enable remote and automatic targeting of guns against ships, aircraft, and shore targets, with or without the aid of radar or optical …   Wikipedia

• Acoustic Control Corporation — was a manufacturer of instrument amplifiers, founded by Steve Marks (with the help of his father) and based in Van Nuys, California. Its original location was a shack on Sunset Boulevard in Los Angeles, California.Most of the amplifiers produced… …   Wikipedia

• Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria …   Wikipedia

• Hydraulic machinery — are machines and tools which use fluid power to do work. Heavy equipment is a common example.In this type of machine, high pressure hydraulic fluid is transmitted throughout the machine to various hydraulic motors and hydraulic cylinders. The… …   Wikipedia

• petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

• Honda CR250R — Honda CR250Prototype for the CR250 was built in 1971. But it wasn t until late 1972 thatproduction started on out of the box racers began. Made available for sale to the general public in 1973.The CR250 is the longest running 2 stroke motocross… …   Wikipedia

• Marshall Amplification — Industry Amplification, Musical Instrument Manufacturing Founded London, United Kingdom (1960) Founder(s) J …   Wikipedia

• Furnace — For other uses, see Furnace (disambiguation). Industrial Furnace from 1907 A furnace is a device used for heating. The name derives from Latin fornax, oven. In American English and Canadian English, the term furnace on its own is generally used… …   Wikipedia

• Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …   Wikipedia