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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.)






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