02. types of valve
DESCRIPTION
Valve TypesTRANSCRIPT
TYPES OF VALVES
VALVE
GATE VALVE
GLOBE VALVE
BALL VALVE
BUTTERFLY VALVE
PLUG VALVE
CHECK VALVE
SAFETY VALVE
TYPES OF VALVES
GATE VALVE
How to specify? Valve size - Connection type – flanged / screw / socket weld
Pressure rating (for flange connection) Material-
o Body o Stem o Gate o Wedge o Seat type.
Function / use - Permit or prevent the flow (isolation)
TYPES OF VALVES
GLOBE VALVE
How to specify?
Valve size - Connection type – flanged / screw Pressure rating (for flange conection) Material-
o Body o Stem o Gate o Disc o Seat type.
Function/ use - Control or regulating the flow in the pipe line
TYPES OF VALVES BALL VALVE
How to specify? Valve size - Connection type – flanged / screw/SW Pressure rating (for flange conection)
Material-
Function/ use - Primarily for on / off service
TYPES OF VALVES
How to specify?
Valve size - Connection type – flanged / screw/SW Pressure rating (for flange conection) Material-
Function/ use - Primarily for on / off service
TYPES OF VALVES PLUG VALVE
How to specify? Valve size - Connection type – flanged / screw/SW
Pressure rating (for flange conection) Material-
Function/ use - Used for non-throttling on / off operation
TYPES OF VALVES CHECK VALVE
(A)
(B)
(C)
(D)
(E)
Type of Check valve (A)- Swing check valave (B)- Piston check valve (C)- Tilting disc (D)- Lift Check Valve (E) – Butterfly check valve
Function/ use - Used to prevent reversal flow.
TYPES OF VALVES SAFETY VALVE/PRESSURE SAFETY VALVE/ RELIEF VALVE
(A)
(A)- Spring loaded Safety Valve-
Specification Inlet & outlet size
Type of connection (flange rating)
Set Pressure
Size of Orifice
Service fluid
TYPES OF VALVES
(B)
(B)- Pilot Operated Safety Valve- which is applied in a severe condition such as high pressure Specification
Inlet & outlet size
Type of connection (flange rating)
Set Pressure
Size of Orifice
Service fluid