Energy

Energy

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

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Energy > Natural gas

seal weld

Energy; Natural gas

A weld that does not contribute anything to the mechanical integrity of an assembly, but is made purely to seal or prevent leakage from, for instance, a threaded joint.

sealant

Energy; Natural gas

A greaselike substance that is injected into lubricated plug valves to reduces operating force and to achieve a tight seal against internal leakage.

seat

Energy; Natural gas

The portion of the valve body that the flow control element contacts to seal against internal leakage; it can be a separate part fastened in the body or can be integral with the ...

seat ring

Energy; Natural gas

A ring-shaped part that is fastened in a valve body to be a body seat; it is used in gate valve, globe valves, check valves, ball valves, and high-performance butterfly valves.

self-relieving

Energy; Natural gas

The process by which excessive internal body cavity pressure is automatically relieved either into the upstream or downstream line generally found in ball valves

set pressure

Energy; Natural gas

The pressure at which a pressure relief valve begins to open; it is established by adjusting the valve spring.

shaft

Energy; Natural gas

The part of a ball valve, a butterfly valve, or a plug valve that turns the flow control element; on the plug valve it is usually integral with the plug.