2. Introduction
Classification of Control Valve
Types of Control Valve
Basic Part of Control Valve
Part of Control Valve
Control Valve Working Animation
Control Valve Actuator
Positioners
Control Valve Trim Parts
Control Valve Flow Characteristics
3. Control Valve is a
Final Element of a
Process Control
Loop. Control Valve
can Control and
Regulate Fluid Flow
and also Control
Process Variable
under the signal
Command from
Controller .
4. Classification of control valve ;
With Respect to Classification There are
Two Types of Control Valve.
Control
Valve
7. Diaphragm Case
Diaphragm
Diaphragm Plate
Actuator Spring
Spring Seat
Yoke
Stem Connector
Travel Indicator
Yoke Lock Nut
Packing Follower
Valve Plug
Plug Seat
Valve Body
Bonnet
Packing Box
Packing
Actuator Stem
Spring Adjustor
Travel Indicator
Scale
Valve Stem
Packing Flange
8.
9.
10. Pneumatic Actuator is air operated Actuator. The
movement of Actuator the Valve Trim Will Move.
There are Two types of Pneumatic Actuator.
Diaphragm Piston Type
11. Valve Positioner convert Control Signal into Standard
Signal and put this Standard Signal on Actuator. And
then Actuator move Plug and Stem under Commanding
Signal.
Two Types of Positioner.
Pneumatic Electric
12. Trim is composed as stem , seat, Plug. That Parts
are connected to process. And They exposed
Process.
13.
14. Bench-set is the
inherent Diaphragm
Pressure Range, Which
High or Low Pressure
Applied on Diaphragm
of Valve to produce
Plug Travel with
atmospheric Pressure in
Valve Body.