A positive displacement pump which contains a displacing element intended to be moved in a reciprocating movement to exert pressure on a fluid, typically moving within a cylindrical space.
A process control unit that can be operated in remote.
A positive displacement pump that consists of a chamber containing gears, cams, screws, vanes, plungers or similar elements actuated by relative rotation of the drive shaft or casing and which has no separate inlet and outlet valves.
A breather that discharges gas to the atmosphere at low velocity, and that is intended for vertical connection to a vent pipe
A regulator designed to automatically maintain a constant voltage level.
A power transformer of which the magnetic circuit and windings are immersed in oil.