A data communication system intended for communication between parties in a restricted area.

A retrievable and configurable device to route and re-route flow true the cap.

A non-beam type pump jack that uses a longer stroke.

An electroacoustic transducer that converts an electric signal into sound.

An artefact which contains fins or vanes intended to control a flow of air. Typically also to separate water droplets from an air stream.

An electrical filter having a single pass-band extending from zero frequency to a specified cut-off frequency.

A system that provides lubricant to rotating or moving items.

A physical object that is an electric light and its fittings.

Multiple types , a point of attachment to pipework that allows samples to be taken.

A level gauge that use a float containing a magnet to transfer information about its position to a indicator rail with white and red flaps mounted on the outside of the tube.

A level transmitter which uses a floater and magnetic contacts to measure and transmit level.

An access point that is of sufficient size to allow a person to safely enter a vessel, space, chamber or drain.

A physical object that contains a chamber with several openings.

A manual call point is a device which enables personnel to raise an alarm in the event of a fire incident by pressing a frangible element to activate the alarm system.

A control switch that is operated by a person.

A switch which is operated by a person.

A valve that is regulated with hand power.

A place which is a passage or a way of exit or entrance.

A physical object that is related to the sea or sea transport.

Is a support (item).

An artefact which is a pipeline fitting used to create a rigid pressure containing joint in a pipeline or flowline.

An equipment class that contains classes that normally are the responsibility of a department for mechanical engineering.

A mechanical controller that is intended to position a given item in accordance with a received input signal.

A seal that comprises of a set of one or more rotating and stationary seal faces, together with auxiliary hardware, separated by a film of fluid intended to reduce flow loss around a rotating shaft to an acceptable level.

An 'equipment class' that is a class of devices engaged in meteorological observations.