Dummy valve:

Terms Related to Dummy valve

• 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 ...

• 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 ...

• Indexing valve

  Operates on the same principle as an annular valve, except it requires pipe rotation for opening and closing operations.

• 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 ...

• Safety valve

  1. An automatic valve that opens or closes when an abnormal condition occurs (e.g., a pressure relief valve on a separator that opens if the ...