AWWA Manual M44 2016
$66.08
AWWA M44 Distribution Valves: Selection, Installation, Field Testing, and Maintenance, Third Edition
| Published By | Publication Date | Number of Pages |
| AWWA | 2016 | 87 |
Effectively managing valves as an asset can have a significant impact both for the water utility and the customer. This revised manual covers valve selection and installation as well as the importance of location, condition, and frequency of operation. The updated figures show commonly used valves and their components, including: globe; butterfly; plug; ball; cone; and gate. Special-use valves are also discussed, but the intent here is only to introduce their availability and applications. The authors incorporate the latest methodologies and technologies for handling, inspecting, shipping, and storing valves and their associated parts. A brief history of valves and an overview of the theory and flow characteristics of valves provides context. Valves are an indispensable component of the water distribution system; they can regulate, modulate or isolate. This manual provides essential information for water operators, technicians, and engineers on this powerful appurtenance.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | Cover |
| 3 | Copyright |
| 4 | Contents |
| 6 | Figures |
| 8 | Tables |
| 10 | Preface |
| 12 | Acknowledgments |
| 14 | Chapter 1 History and Design Considerations History |
| 16 | Design Considerations |
| 22 | Chapter 2 Types and Selection of Valves |
| 23 | Valves Used for On-Off Operation and Flow Control |
| 32 | Valves Used Primarily for On-Off Operation |
| 34 | Special-Purpose Valves |
| 40 | Actuators |
| 42 | Valve-End Connections |
| 44 | Chapter 3 Valve Tests, Unloading, Inspection, and Storage Manufacturing Plant Valve Tests |
| 45 | Manufacturer’s Documents |
| 46 | Unloading at the Utility |
| 50 | Inspection After Unloading |
| 51 | Storage Bolts |
| 52 | Chapter 4 Installation Inspection Before Installation |
| 53 | Installation |
| 54 | Pressure Testing the Water Main and Valves After Installation |
| 55 | Before Replacing an Existing Valve Replacement Valve Installation |
| 64 | Chapter 5 Valve Asset Management Valves—Dynamic Assets |
| 65 | Valve Asset Management |
| 70 | Valve Asset Management—Sample Risk Scoring Plan |
| 74 | Chapter 6 Distribution Valves Emergency or Shutdown Response Planning |
| 75 | Planning a Response Prior to an Emergency or Shutdown Event During the Event |
| 76 | After the Event Postincident Review |
| 78 | References and Additional Readings |
| 80 | Index |
| 82 | List of AWWA Manuals |
