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Natural gas

Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, with up to 20 % of other hydrocarbons as well as impurities in varying amounts such as carbon dioxide. Natural gas is widely used as an important energy source in many applications including heating buildings, generating electricity, providing heat and power to industry, as fuel for vehicles and as a chemical feedstock in the manufacture of products such as plastics and other commercially important organic chemicals.

Contributors in Natural gas

Natural gas

Packing

Energy; Natural gas

Deformable non-metallic material formed into rings used for sealing around the stems and shafts of valves.

Pattern

Energy; Natural gas

A duplicate made of wood or metal of a part to be cast. Used to form the mould into which the molten metal is poured.

Pinhole

Energy; Natural gas

Numerous small gas holes at the surface or just below the surface of castings, generally occurring in the thicker parts of the casting as a reduction in the solubility of gases in the metal as the ...

Pinion shaft

Energy; Natural gas

The external input shaft of certain gear operators which drive the internal reduction gearing.

Plastics

Energy; Natural gas

A broad classification covering a variety of non-metallic, synthetic or organic materials capable of being moulded or formed into desired shapes. Typical materials include nylons and ...

Resistance coefficient

Energy; Natural gas

A measure of the resistance of a valve to fluid flow; it is determined by the geometry of the valve.

Rim pull

Energy; Natural gas

The force required at the edge of the handwheel to generate the required torque at the centre of the handwheel.

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