A physical object intended to prevent something to pass.

An automatic fire extinguisher controls and extinguishes fires without human intervention.

An automatic gas feeder is a device used to control and monitor the regulated flow rate of a gas to a process by automatically adjusting its output in response to measurements from flow transmitters and inline gas analyzers.

A physical object that is automatic and designed to initiate the operation of circuit-breakers and/or disconnectors in a substation according to a specific programme.

An Automatic Switchover module allows for Gas Feed Systems to automatically switch from an empty gas cylinder to a full secondary cylinder.

A dynamic compressor in which the gas is accelerated by the action of a bladed rotor and where the main flow is along the rotation axis of the rotor.

A detecting element that is intended to detect axial displacement.

A transmitter measuring an axial displacement and generating a standardized output signal representing the axial measured displacement.

A Building Automation and Control Network controller

Is a gas flow damper intended to adjust an air flow rate through a duct.

A ball valve that is equipped with an actuator that manipulates a stream of fluid in the response to a signal from an external sensing element and with input of energy from an external source.

A rotary valve that has a ball closure member.

A railing or wall to provide a protective edge to prevent people from falling over the edge of stairs, a roof or mezzanine work area.

A container intended to store liquid or solid material partly or totally below grade and that is typically open.

A container that has a characteristic shape and that is made of material with an open structure.

A direct current power supply unit intended to supply stabilised DC electric power according to specified levels and tolerances.

A direct current power supply unit for charging batteries.

A compartment or area within a building with a specified function.

A support that is a large and straight piece of normally timber or iron forming one of the main structural member of a building or supporting structure.

An equipment item that can be clamped to a beam to provide an attachment.

A physical object intended to support and locate a moving or static element and capable of reducing friction and transfer forces in a connection.

A physical object that is a hollow body with a flared mouth made of cast metal. Formed to emit a clear musical sound by the sonorous vibration of its entire circumference when struck by a clapper, hammer or other appliance.

A belt is an endless band that transfers rotary motion and power between pulleys or sprockets or is used to convey materials.

A conveyor that consists of a suitably tensioned endless belt made from hard wearing materials and arranged to run over rollers.

A bin is a large container used for temporarily holding or storing bulk solids or divided materials prior to processing or transportation.