PIPING-KNOWLEDGE has useful guide for piping engineers. including piping layout , piping supports , codes and standards, software learning like aveva E3d , Pdms , Caesar II. site contain different piping layout .It also content video animations of valves and oil and gas refining process.site has overal piping engineering guide which is useful for piping engineer.

  What is Valve A valve is a device that regulates, controls, or directs the flow of a fluid by opening, closing, or partially obstructing f...

TYPES OF VALVES

 

What is Valve

A valve is a device that regulates, controls, or directs the flow of a fluid by opening, closing, or partially obstructing fluid flow. A sound bit complicated? Ok, let me further simplified this.  A valve is a mechanical device that controls the flow and pressure of fluid within a system or process.  So basically, it controls flow & pressure.

Types of Valves

In piping following types of valves are used depending on the requirements. The cost of Valve in the piping system is up to 20 to 30% of the overall piping cost. And the cost of a given type and size of the valve can vary 100%. It means that if you choose a ball valve over a butterfly valve for the same function. It can cost you more. So, the selection of valves is essential to the economics, as well as operation, of the process plants.

  • Gate Valve
  • Globe Valve
  • Check Valve
  • Plug valve
  • Ball Valve
  • Butterfly Valve
  • Needle Valve
  • Pinch Valve
  • Pressure Relief Valve



GATE VALVE WORKING




BUTTERFLY VALVE


CHECK VALVE


GLOBE VALVE


GATE  VALVE


GLOBE  VALVE


KNIFE GATE  VALVE


PLUG  VALVE



SWING CHECK  VALVE


TRUNION BALL  VALVE




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