An air balancing unit on a nodding donkey.

An artefact intended for central conditioning and pressure increase of ventilation air.

A physical object that is a hood or covering for the top or end of something.

A mechanical device made for keeping objects firmly in place or position, temporary or permanently.

A gravity separator where two liquid substances separates and where the substance with the less gravity can be skimmed off.

A physical object that is driven by a prime mover by which energy is either constantly or periodically added to an amount of gas in order to increase its pressure.

A valve that can be used to modify (regulate) the fluid flow rate in a process control system. It usually includes an actuator, which responds to a signal from the controlling system and changes the position of the flow controlling element in the valve.

Connecting with a coupling or coupler.

A physical object that is an opening in a barrier and a removable physical object that can block the opening.

A heater in which electric energy is converted into heat for useful purposes.

A self operating valve that is set to open at a certain pressure level to prevent the pressure in a container or system from reaching unsafe levels.

A vessel intended to contain fluid for storage. Typically a receiving or collecting function for further distribution. Typically with a vertical and cylindrical or square shape and a flat or conical bottom.

A container intended for storage and/or processing of fluids.