Valve training kit, training objectives, and table of contents - HDC Human Development Consultants Ltd.

Describe Valves and Manual Valve Adjustment

Total Pages: 77

Training Objectives
Upon completion of this valves training kit, you will be able to:

	Describe the purpose and importance of manual valves
	Describe the types of actuators used for manual valves
	Describe the operation, features, and applications of: ball valves plug valves butterfly valves globe valves gate valves needle valves
	Describe a reliable and safe strategy to operate manual valves
	Describe the preventive maintenance of manual valves
	Describe manual valves troubleshooting techniques
	Describe the decision-making criteria to repair/replace a valve

Table of Contents

Training Objectives		1
1	Introduction	1
2	Manual Valve Actuators	5
3	Ball Valves	11
	3.1 Operating Principle	11
	3.2 Strengths and Limitations	14
	3.3 Typical Applications	15
4	Plug Valves	16
	4.1 Operating Principle	16
	4.2 Strengths and Limitations	17
	4.3 Typical Applications	19
5	Butterfly Valves	20
	5.1 Operating Principle	20
	5.2 Strengths and Limitations	21
	5.3 Typical Applications	21
6	Globe Valves	22
	6.1 Operating Principle	22
	6.2 Strengths and Limitations	23
	6.3 Typical Applications	24
7	Gate Valves	27
	7.1 Operating Principle	27
	7.2 Strengths and Limitations	30
	7.3 Typical Applications	30
8	Needle Valves	31
	8.1 Operating Principle	31
	8.2 Strengths and Limitations	32
	8.3 Typical Applications	32
9	Strategy for Operating Manual Valves	32
	9.1 Plan the Valve Adjustment	33
	9.2 Check the Valve before Adjustment	33
	9.3 Operate the Valve	34
	9.4 Check the Valve after Adjustment	37
10	Valve Preventive Maintenance	38
	10.1 Routine Inspection	38
	10.2 Winterizing Valves	40
	10.3 Servicing the Stem Seal	40
	10.4 Injecting Sealant	42
11	Troubleshoot Valve Operation	43
12	Plan the Replacement/Repair of a Valve	45
13	Self-Check	48
14	Self-Check Answer Key	57