VALVES TYPE & FUNCTION

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By: sonavanejayesh (63 month(s) ago)

very good presentation. keep it up.

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VALVES TYPE & FUNCTION:

1 VALVES TYPE & FUNCTION VALVES Prepared by Prashant Pathya

INTRODUCTION :

2 INTRODUCTION

PowerPoint Presentation:

STOP ( ISOLATION ) VALVES:

REGULATING VALVES:

REGULATING VALVES

PRESSURE RELIEF-VALVE:

PRESSURE RELIEF-VALVE

BACK FLOW PREVENTION VALVES:

BACK FLOW PREVENTION VALVES

TYPES OF VALVES:

TYPES OF VALVES GATE VALVES GLOBE VALVES PLUG VALVES DIAPHRAGM VALVES BALL VALVES BUTTERFLY VALVES NEEDLE VALVES CHECK VALVES PRESSURE RELIEF VALVES CONTROL VALVES

STOP/ISOLATION VALVE:

8 STOP/ISOLATION VALVE

TYPES OF GATE VALVES – RISING STEM GATE VALVE:

TYPES OF GATE VALVES – RISING STEM GATE VALVE

Gate valve:

10 Gate valve

Gate valve :

11 Gate valve

Wedge gate valve and parallel slide valve:

12 Wedge gate valve and parallel slide valve

TYPES OF GATE VALVES – NON RISING STEM GATE VALVE:

TYPES OF GATE VALVES – NON RISING STEM GATE VALVE

Plug valve (on-off) or Cock low-pressure :

14 Plug valve (on-off) or Cock low-pressure

PLUG VALVES:

PLUG VALVES

Plug valve (on-off) or Cock:

Plug valve (on-off) or Cock 16

Plug valve Applications:

17 Plug valve Applications Gas and liquid fuel Water. Extreme temperature flow Boiler feed water. Low Pressure Steam . Corrosive Liquids and Gases

Ball Valve (on-off):

18 Ball Valve (on-off)

TYPES OF BALL VALVES – FLANGED END BALL VALVES:

TYPES OF BALL VALVES – FLANGED END BALL VALVES

TYPES OF BALL VALVES – SCREWED END BALL VALVES:

TYPES OF BALL VALVES – SCREWED END BALL VALVES

PowerPoint Presentation:

21 Ball Valve (on-off)

Ball Valve Quarter-Turn:

22 Ball Valve Quarter-Turn Hydraulic systems . Water . Air. Oil . Petrochemical . High volume, high pressure and high temperature flow .

THROTTLING (Regulating) SERVICE:

23 THROTTLING (Regulating) SERVICE

Globe Valve (High pressure & value ):

24 Globe Valve (High pressure & value )

Globe Valve.:

25 Globe Valve.

TYPES OF GLOBE VALVE – TEE PATTERN GLOBE VALVES:

TYPES OF GLOBE VALVE – TEE PATTERN GLOBE VALVES

TYPES OF GLOBE VALVE – ANGLE PATTERN GLOBE VALVES:

TYPES OF GLOBE VALVE – ANGLE PATTERN GLOBE VALVES

Globe Valve Ops.:

28 Globe Valve Ops.

Needle Valve:

29 Needle Valve Fine accurate flow Cont.

NEEDLE VALVES:

NEEDLE VALVES

Butterfly Valve :

31 Butterfly Valve Flow Control Low Speed Both Side flow

TYPES OF BUTTERFLY VALVES – FLANGED-END BUTTERFLY VALVES:

TYPES OF BUTTERFLY VALVES – FLANGED-END BUTTERFLY VALVES

TYPES OF BUTTERFLY VALVES – BUTTERFLY VALVES:

TYPES OF BUTTERFLY VALVES – BUTTERFLY VALVES

PowerPoint Presentation:

34

Butterfly Valve 2:

35 Butterfly Valve 2

DIAPHRAGM VALVES:

DIAPHRAGM VALVES

PowerPoint Presentation:

37 Prevention of back flow

split disc check:

38 split disc check

Split disc check valve operation:

39 Split disc check valve operation

lift check valve (Recommended for Vapor service):

40 lift check valve (Recommended for Vapor service)

TYPES OF CHECK VALVES – LIFT CHECK VALVES:

TYPES OF CHECK VALVES – LIFT CHECK VALVES

Swing check valve (liquids) installed horizontal & vertical:

42 Swing check valve (liquids) installed horizontal & vertical

TYPES OF CHECK VALVES – SWING CHECK VALVES:

TYPES OF CHECK VALVES – SWING CHECK VALVES

Swing check valve Ops.:

44 Swing check valve Ops.

Piston check valves:

45 Piston check valves

check valves:

46 check valves

Ball check valve (for heavy fluids) installed horizontal ,vertical & angle:

47 Ball check valve (for heavy fluids) installed horizontal ,vertical & angle

TYPES OF CHECK VALVES – BALL CHECK VALVES:

TYPES OF CHECK VALVES – BALL CHECK VALVES

Check valve (Ball):

49 Check valve (Ball)

Pressure Relive valves:

50 Pressure Relive valves

safety valves and relief valves:

51 safety valves and relief valves Safety valves are primarily used with compressible gases and in particular for steam and air services . Relief valves are commonly used in liquid systems

TYPES OF PRESSURE RELIEF VALVE – SAFETY VALVE:

TYPES OF PRESSURE RELIEF VALVE – SAFETY VALVE

Pressure Relief Valves:

53 Pressure Relief Valves Releases excess pressure to protect system. Use with Gases & Vapors & liquid. Open Full at once at set pressure. Outlet port larger than inlet port. Never adjust whilst in service.

TYPES OF PRESSURE RELIEF VALVE – RELIEF VALVE:

TYPES OF PRESSURE RELIEF VALVE – RELIEF VALVE

Type of Pressure Relief Valve :

55 Type of Pressure Relief Valve Safety valve : Used with compressible gases . steam and air services . Relief valve : Used in liquid systems. as pressure overspill devices . Safety relief valve : used either for liquid or compressible fluid.

Pressure Relieve valve (safety valve) for clean air:

56 Pressure Relieve valve (safety valve) for clean air Releases excess pressure (clean air)

Safety valve - liquid applications, opens in proportion to the:

57 Safety valve - liquid applications, opens in proportion to the

Typical examples of safety valves used on steam & Air systems :

58 Typical examples of safety valves used on steam & Air systems

PowerPoint Presentation:

59

pneumatic pressure reducing:

60 pneumatic pressure reducing

CONTROL VALVES:

CONTROL VALVES

PowerPoint Presentation:

62 Control system would normally consist of the following components: Control valves. Actuators. Controllers. Sensors.

PowerPoint Presentation:

63

Valve positions:

64 Valve positions

PowerPoint Presentation:

Thank you Prashant Pathya Presented by

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