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