Valve Types

valves are used to control liquids and gases movements and to adjust its flow and pressure . It has many types due its function

  1. Ball #valve , for on/off control without pressure drop, and ideal for quick shut-off, since a 90° turn offers complete shut-off angle, compared to multiple turns required on most manual valves.
    ball-valve
  2. Butterfly valve, for flow regulation in large pipe diameters.
    Butterfly-Valve
  3. Clapper valve, Used in appliances like the Siamese fire appliance to allow only 1 hose to connected instead of two (the clapper valve blocks the other side from leaking out.
    Clapper-valve
  4. Check valve or non-return valve, allows the fluid to pass in one direction only.
    check-valve
  5. Ceramic #Disc valve, used mainly in high duty cycle applications or on abrasive fluids. Ceramic disc can also provide Class IV seat leakage
    ceramic-disc-valve
  6. Choke valve, a valve that raises or lowers a solid cylinder which is placed around or inside another cylinder which has holes or slots. Used for high pressure drops found in oil and gas wellheads.
    choke-valves
  7. Gate valve, mainly for on/off control, with low pressure drop.
    Gate_valves
  8. Globe valve, good for regulating flow.
    globe_valve
  9. Diaphragm valve, which controls flow by a movement of a diaphragm. Upstream pressure, downstream pressure, or an external source (e.g., pneumatic, hydraulic, etc.) can be used to change the position of the diaphragm.
    diaphragm-valve
  10. Needle valve for accurate flow control.
    needle-valve
  11. Pinch valve, for slurry flow regulation and control.
    pinch-valve
  12. #Piston valve, for regulating fluids that carry solids in suspension.
    piston-valve
  13. Plug valve, slim valve for on/off control but with some pressure drop.
    plug-valve
  14. Poppet valve, commonly used in piston #engine to regulate the fuel mixture intake and exhaust
    poppet-valve
  15. Spool valve, for #hydraulic control
    spool-valve
  16. #Thermal expansion valve, used in #refrigeration and air conditioning systems.
    expansion-valve
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