Objectives
Identify:
• The meaning of flow coefficient
• Valve construction materials and characteristics
• Major valve components
• Conditions affecting valve operation
Identify these major types of valves and their design characteristics:
• Gate valves
• Globe valves
• Plug valves
• Ball valves
• Butterfly valves
• Diaphragm valves
• Pinch valves
• Check valves
Describe the major types of valve sealing mediums.
Describe the major steps required in disassembling some common valves.
Describe the major steps required to perform valve inspections.
Describe the major steps required in replacing defective valve parts.
Describe the major steps required in repairing valve parts and components.
Describe the major steps required in reassembling valves.
Describe the major steps required in overhauling globe valves.
Describe the major steps required in overhauling gate valves.
Describe the major steps required in overhauling safety valves.
Describe the major steps required in overhauling relief valves.
Describe the major steps required in overhauling ball valves.
Describe the major steps required in overhauling plug valves.
Describe the major steps required in overhauling diaphragm valves.
Describe the major steps required in overhauling butterfly valves.
Describe the major steps required in overhauling check valves.
Describe the major steps required in overhauling control valves.
Select the proper replacement for defective parts when performing valve maintenance.