Instrumentation Interview Question:

What are different types of control valves?

Submitted by: Administrator

The commonly used control valves can be defined as follows:
a. Depending on Action:
Depending on action there are two types of control valves 1. Air to close 2. Air to close
b. Depending on body:
Depending on body there are 4 types of control valves
1. Globe valves single or double seated
2. Angle valves
3. Butterfly valves
4. Three way valves
Submitted by: Administrator

According action two types is
1) air to open
2) air to close
Submitted by: Pawan