TERMINAL OBJECTIVE - h1018v2_19
VALVE FUNCTIONS AND BASIC PARTS
Valve Body
Valve Trim
Stem
Valve Actuator
Introduction to the Types of Valves
Valve Functions and Basic Parts Summary
TYPES OF VALVES
Figure 4 Gate Valve
Gate Valve Disk Design
Flexible Wedge
Parallel Disk
Figure 8 Parallel Disk Gate Valve
Gate Valve Seat Design
Globe Valves
Y-Body Design
Globe Valve Disks
Globe Valve Direction of Flow
Figure 12 Typical Ball Valve
Ball Valve Stem Design
Figure 13 Plug Valve
Multiport Plug Valves
Lubricated Plug Valve Design
Plug Valve Glands
Diaphragm Construction
Figure 15 Weir Diaphragm Valve
Diaphragm Valve Stem Assemblies
Figure 16 Variable Reducing Valve
Figure 17 Non-Variable Reducing Valve
Pinch Valves
Butterfly Valves
Butterfly Valve Seat Construction
Needle Valves
Figure 21 Bar-Stock Instrument Valve
Swing Check Valves
Tilting Disk Check Valves
Lift Check Valves
Piston Check Valves
Butterfly Check Valves
Stop Check Valves
Figure 28 Relief Valve
Pilot-Operated Relief Valves
Types of Valves Summary
VALVE ACTUATORS - h1018v2_64
Hammer Handwheel
Figure 33 Electric Motor Actuator
Pneumatic Actuators
Solenoid Actuated Valves
Valve Position Indication
Valve Actuators Summary
MECHANICAL SCIENCE Module 5 Miscellaneous Mechanical Components
TABLE OF CONTENTS - h1018v2_73
TABLE OF CONTENTS (Cont.) - h1018v2_74
TABLE OF CONTENTS (Cont.) - h1018v2_75
LIST OF FIGURES - h1018v2_76
LIST OF FIGURES (Cont.) - h1018v2_77
REFERENCES - h1018v2_79
TERMINAL OBJECTIVE - h1018v2_80
ENABLING OBJECTIVES (Cont.) - h1018v2_81
AIR COMPRESSORS
Figure 1 Reciprocating Air Compressor
Figure 2 Single-Acting Air Compressor Cylinder
Rotary Compressors
Figure 4 Rotary Lobe Air Compressor
Centrifugal Compressors
Hazards of Compressed Air
Air Compressors Summary
Air Compressors Summary (Cont.)
HYDRAULICS
Hydraulic Operation
Hazards
Hydraulics Summary
BOILERS
Figure 9 Typical Fuel Boiler
Fuel Boiler Components
Boilers Summary
COOLING TOWERS - h1018v2_100
Induced Draft Cooling Towers - h1018v2_101
Induced Draft Cooling Towers - h1018v2_102
Forced Draft Cooling Towers
Figure 12 Natural Convection Cooling Tower
Cooling Towers Summary
DEMINERALIZERS
Single-Bed Regeneration
Mixed-Bed Demineralizer
Figure 14 Regeneration of a Mixed-Bed Demineralizer
External Regeneration
Demineralizers Summary
PRESSURIZERS
General Description
Figure 15 Basic Pressurizer
Operation
Pressurizer Summary
STEAM TRAPS
Thermostatic Steam Traps
Impulse Steam Trap
Orifice-Type Steam Trap
Steam Traps Summary
FILTERS AND STRAINERS
Figure 20 Typical Multi-Cartridge Filter
Precoat Filters
Backwashing Precoat Filters
Deep-Bed Filters
Strainers
Backwashing
Filters and Strainers Summary
Filters and Strainers Summary (Cont.)
VALVE FUNCTIONS AND BASIC PARTS
Valve Body
Valve Trim
Stem
Valve Actuator
Introduction to the Types of Valves
Valve Functions and Basic Parts Summary
TYPES OF VALVES
Figure 4 Gate Valve
Gate Valve Disk Design
Flexible Wedge
Parallel Disk
Figure 8 Parallel Disk Gate Valve
Gate Valve Seat Design
Globe Valves
Y-Body Design
Globe Valve Disks
Globe Valve Direction of Flow
Figure 12 Typical Ball Valve
Ball Valve Stem Design
Figure 13 Plug Valve
Multiport Plug Valves
Lubricated Plug Valve Design
Plug Valve Glands
Diaphragm Construction
Figure 15 Weir Diaphragm Valve
Diaphragm Valve Stem Assemblies
Figure 16 Variable Reducing Valve
Figure 17 Non-Variable Reducing Valve
Pinch Valves
Butterfly Valves
Butterfly Valve Seat Construction
Needle Valves
Figure 21 Bar-Stock Instrument Valve
Swing Check Valves
Tilting Disk Check Valves
Lift Check Valves
Piston Check Valves
Butterfly Check Valves
Stop Check Valves
Figure 28 Relief Valve
Pilot-Operated Relief Valves
Types of Valves Summary
VALVE ACTUATORS - h1018v2_64
Hammer Handwheel
Figure 33 Electric Motor Actuator
Pneumatic Actuators
Solenoid Actuated Valves
Valve Position Indication
Valve Actuators Summary
MECHANICAL SCIENCE Module 5 Miscellaneous Mechanical Components
TABLE OF CONTENTS - h1018v2_73
TABLE OF CONTENTS (Cont.) - h1018v2_74
TABLE OF CONTENTS (Cont.) - h1018v2_75
LIST OF FIGURES - h1018v2_76
LIST OF FIGURES (Cont.) - h1018v2_77
REFERENCES - h1018v2_79
TERMINAL OBJECTIVE - h1018v2_80
ENABLING OBJECTIVES (Cont.) - h1018v2_81
AIR COMPRESSORS
Figure 1 Reciprocating Air Compressor
Figure 2 Single-Acting Air Compressor Cylinder
Rotary Compressors
Figure 4 Rotary Lobe Air Compressor
Centrifugal Compressors
Hazards of Compressed Air
Air Compressors Summary
Air Compressors Summary (Cont.)
HYDRAULICS
Hydraulic Operation
Hazards
Hydraulics Summary
BOILERS
Figure 9 Typical Fuel Boiler
Fuel Boiler Components
Boilers Summary
COOLING TOWERS - h1018v2_100
Induced Draft Cooling Towers - h1018v2_101
Induced Draft Cooling Towers - h1018v2_102
Forced Draft Cooling Towers
Figure 12 Natural Convection Cooling Tower
Cooling Towers Summary
DEMINERALIZERS
Single-Bed Regeneration
Mixed-Bed Demineralizer
Figure 14 Regeneration of a Mixed-Bed Demineralizer
External Regeneration
Demineralizers Summary
PRESSURIZERS
General Description
Figure 15 Basic Pressurizer
Operation
Pressurizer Summary
STEAM TRAPS
Thermostatic Steam Traps
Impulse Steam Trap
Orifice-Type Steam Trap
Steam Traps Summary
FILTERS AND STRAINERS
Figure 20 Typical Multi-Cartridge Filter
Precoat Filters
Backwashing Precoat Filters
Deep-Bed Filters
Strainers
Backwashing
Filters and Strainers Summary
Filters and Strainers Summary (Cont.)
