A physical object that supplies and mixes air to a liquid or solids.

A propeller like device with agitational or rotational movement located in a tank to prevent the content of the tank to build component segments.

An electric motor driven by alternating electric current.

A dynamic pump that contains impellers provided with vanes to generate centrifugal force to achieve the required pressure head.

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 detector that is intended to sense a flame.

is a process unit with gentle agitation used to bring together fine particulates in wastewater into larger clumps or flocs through physical contact to enhance the subsequent separation and removal of solids in sedimentation basins.

A cylinder where the piston is actuated by pressurized hydraulic fluid.

A physical object used in or in connection with a piping system.

A physical object that adds or removes mechanical energy to a fluid, either constantly or periodically.

A positive displacement compressor in which forced reduction of gas volume takes place by the movement of a displacing element in a cylinder or enclosure.

A variable area flow meter which consists of a tapered tube of glass with a float inside that is pushed up by flow and pulled down by gravity.

A positive displacement compressor in which compression displacement is effected by the positive action of rotating elements.

Is a mechanical screening device used to separate materials by particle size through the use of a mesh screen and a vibrating motion.