Examples of INCUMBENT. 1  Voters will have the chance to see the incumbent and her opponent in a series of three debates. 2  Incumbents often have an advantage in elections. It is incumbent upon the press to act not in its own best interests, but in society's best interests. â 2 Carll Tucker, Saturday Review, 23 June 1979. â¦ 3  the various types of obligation incumbent on the members of the profession.
Centrifugal type spark arrestor. A spark arrestor is any device which prevents the emission of flammable debris from combustion sources, such as internal combustion engines, fireplaces, and wood burning stoves. Spark arrestors play a critical role in the prevention of wildland fire and ignition of explosive atmospheres.
Pressure Washer Unloader Valve-Pressure Regulator. The pressure cleaner's unloader valve functions as a safety device. Unloader valves control the direction of the flow of water exiting the pump. A positive displacement pump always delivers water, regardless of whether the spray gun is open or closed. âFlow Actuatedâ unloader valves respond to the interruption of water flow to the nozzle. 2  These valves sense any decrease in flow from the valve to the spray gun and initiate the bypass loop in response. 3  Unlike Trapped Pressure valves, no pressure is trapped, so no âkick backâ occurs when water is re-released.