Differential displacing valve:

Terms Related to Differential displacing valve

• Valve

  A device used to control the rate of flow in a line to open or shut off a line completely, or to serve as an ...

• Standing valve

  A fixed ball-and-seat valve at the lower end of the working barrel of a sucker rod pump. The standing valve and its cage do not ...

• Check valve

  A valve that permits flow in one direction only. If the gas or liquid starts to reverse, the valve automatically closes, preventing reverse movement. Commonly ...

• Gas lift valve

  A device installed on a gas lift mandrel, which in turn is put on the tubing string of a gas lift well. Tubing and casing ...

• Pressure relief valve

  A valve that opens at a preset pressure to relieve excessive pressures within a vessel or line. Also called a relief valve, safety valve, or ...

• Collapse pressure

  The pressure at which a tube, or vessel, will catastrophically deform as a result of differential pressure acting from outside to inside of the vessel or ...

• Traveling valve

  One of the two valves in a sucker rod pumping system. It moves with the movement of the sucker rod string. On the upstroke, the ...