Energy

Energy

Anything related to the production or supply of energy in any form.

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Energy > Natural gas

product analysis

Energy; Natural gas

The chemical analysis of a material done on a finished component to show compliance with the material specifications. Usually has tolerances defined for each element to allow for ...

quarter-turn valve

Energy; Natural gas

A valve whose flow control element is rotated through 90deg from open to closed; it can be a ball valve, a butterfly valve, or a plug valve.

quick-opening flow characteristic

Energy; Natural gas

A flow characteristic in which there are large changes in the flow rate at the start of flow control element travel (valve begins to open), with progressively smaller changes with ...

rack-and-pinion actuator

Energy; Natural gas

A line-rotary actuator tha uses a gear pinion a nd rack to convert linear motion into rotary motion for use in quarter-turn valves.

radiographic inspection (RT)

Energy; Natural gas

A nondestructive inspection method using x-rays to locate internal flaws in castings, fabricated parts and welds.

raised faced (RF)

Energy; Natural gas

The raised area of a flange face which is the gasket sealing surface between mating flanges. Defined in ASME B16.5. Class 150 and 300 valves have 0.06" RF and Class 600 and up ...