Control Valves

Types of Valve Actuators
  • Control Valves

Types of Valve Actuators

Valve actuators are devices used to position valves. They can be used to fully open and shut a valve, or…

5 years ago
  • Control Valves

Valve Characteristics – Quick Opening, Linear & Equal Percentage

In essence a valve simply functions as a restriction in a flow line, with flow areas A1 and A2 and pressure…

4 years ago
  • Control Valves

Short Notes on Different Valve Types

The essential function of a valve is to start, throttle and stop a fluid flow. Throttling, as shown in Below Figure,…

5 years ago
  • Safety Instrumented System (SIS)

What is Partial Stroke Test?

In all of our activities, safety is one of the prime points under consideration. The same is true when we…

4 years ago
  • Control Valves

Electric Motor Actuator Parts

The electric actuator uses an electric motor to provide torque to operate a valve. They are quiet, non-toxic and energy…

5 years ago
  • Control Valves

Advantages and Disadvantages of Valve Actuators

A valve actuator is the mechanism for opening and closing a valve. Manually operated valves require someone in attendance to…

4 years ago
  • Control Valves

What is Mixing or Diverting Valve ?

Another style of globe valve body is the three-way body, sometimes called a mixing or a diverting valve. This valve…

5 years ago
  • Control Valves

What is Cage-guided Globe Valve ?

A more modern version of the globe valve design uses a piston-shaped plug inside a surrounding cage with ports cast…

5 years ago
  • Control Valves

What is Double-ported Globe Valve ?

Some globe valves use a pair of plugs (on the same stem) and a matching pair of seats to throttle…

5 years ago
  • Control Valves

What is Port-guided Globe Valve ?

Another variation on the globe valve design is the port-guided globe valve, where the plug has an unusual shape, projecting…

5 years ago