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TABLE OF CONTENTS
Section Title
Page
1
Butterfly Valves for Water Works Applications
4
1.1 Introduction
4
1.2 AWWA
Specification
4
1.3 Applications
4
1.4 Seat
Design
5
1.5
Shaft & Vane Design
5
1.6 Actuation
5
1.7 Automation
6
1.8 Coating
6
1.7F
Automated Valve Information Form
7
2
Installation & Testing
8
2.1 General
8
2.2 Unloading
&
Storage
8
2.3 Installation
Safety
9
2.4
Inside Diameter of Mating Pipe
9
2.4D
Mating Pipe Inside Diameter Drawing
10
2.5 Pipe
Connection
11
2.5.1
Mechanical Joint Follower Glands
11
2.5.2 Flanged
End
Connections
11
2.5D
Valve Body Lay Length Dimensions
12
2.6 Assembly
13
3
Pressure Testing of M&H BFVs
15
3.1 General
15
3.2 Mechanical
Issues
15
3.3 Compressed
Air
15
3.4 Hydrostatic
Test
16
3.5 Service
Support
16
4
Operation of M&H BFVs with Traveling Nut Operators
17
4.1 General
17
4.2 Input
Torque
17
4.3 Throttling
17
4.4 Water
Hammer
17
4.5
Turns to Open
18
