AWWA C515 2009

$75.83

AWWA C515-09: Reduced-Wall, Resilient-Seated Gate Valves For Water Supply Service

Published By	Publication Date	Number of Pages
AWWA	2009	40

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Description

This standard describes reduced-wall, resilient?seated gate valves with nonrising stems (NRS) and outside screw?and?yoke (OS&Y) rising stems, including tapping gate valves, for water supply service having a temperature range of 33

PDF Catalog

PDF Pages	PDF Title
1	ANSI/AWWA C515-09
3	Committee Personnel
5	Contents
7	Foreword I. Introduction.
9	II. Special Issues. III. Use of This Standard.
10	IV. Major Revisions. V. Comments.
11	AWWA Standard Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service Section 1: GENERAL Sec. 1.1 Scope
12	Sec. 1.2 Purpose Sec. 1.3 Application Section 2: REFERENCES
15	Section 3: DEFINITIONS
16	Section 4: REQUIREMENTS Sec. 4.1 Data to Be Supplied by the Manufacturer Sec. 4.2 Materials
19	Sec. 4.3 General Design Table 1 Design torque
20	Sec. 4.4 Detailed Design
21	Table 2 Minimum thickness of body and bonnet Table 3 Excess flange thickness Table 4 Minimum thickness for ductile-iron connecting end flanges
23	Table 5 Stem, gate, thrust collar, and stem nut copper alloys
24	Table 6 Stainless-steel valve stem alloys
25	Table 7 Minimum diameter of stem and minimum number of turns to open
27	Table 8 Diameter of handwheels*
28	Sec. 4.5 Fabrication
29	Table 9 Gear ratios Section 5: VERIFICATION Sec. 5.1 Testing
30	Table 10 Proof of design torque Sec. 5.2 Plant Inspection and Rejection
31	Section 6: DELIVERY Sec. 6.1 Marking Sec. 6.2 Preparation for Shipment Sec. 6.3 Affidavit of Compliance
33	APPENDIX A Installation, Operation, and Maintenance of Reduced-Wall, Resilient-Seated Gate Valves Section A.1: GENERAL Section A.2: UNLOADING Section A.3: RECEIVING INSPECTION
34	Section A.4: STORAGE Section A.5: INSTALLATION Sec. A.5.1 Bolts Sec. A.5.2 Underground Installation
35	Sec. A.5.3 Aboveground Installations Sec. A.5.4 Inspection Sec. A.5.5 Testing
36	Sec. A.5.6 Records Sec. A.5.7 Application Hazards
37	Section A.6: MAINTENANCE Sec. A.6.1 Valve Exercising Sec. A.6.2 Inspection
38	Sec. A.6.3 Record Keeping Section A.7: REPAIRS