AWWA C509 2009

$75.83

AWWA C509-09: Resilient Seated Gate Valves For Water Supply Service

Published By	Publication Date	Number of Pages
AWWA	2009	42

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Category: AWWA

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Description

This standard covers iron-body, resilient-seated gate valves, including tapping gate valves, with nonrising stems (NRS) and outside-screw-and-yoke (OS&Y) rising stems for water supply service.

PDF Catalog

PDF Pages	PDF Title
1	ANSI/AWWA C509-09
3	Committee Personnel
5	Contents
7	Foreword I. Introduction.
8	II. Special Issues.
9	III. Use of This Standard.
10	IV. Major Revisions. V. Comments.
11	AWWA Standard 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 SECTION 4: REQUIREMENTS Sec. 4.1 Data to Be Supplied by the Manufacturer
16	Sec. 4.2 Materials
19	Table 1 Design valve stem input torque Sec. 4.3 General Design Sec. 4.4 Detailed Design
20	Table 2 Minimum thickness of body and bonnet
21	Table 3 Minimum thickness for ductile-iron connecting end flanges Table 4 Excess flange thickness
23	Table 5 Stem gate, thrust collar, and stem nut copper alloys
25	Table 6 Stainless-steel valve stem alloys Table 7 Minimum diameter of stem and minimum number of turns to open
27	Table 8 Outside diameter of handwheels
28	Table 9 Gear ratios Sec. 4.5 Fabrication
29	SECTION 5: VERIFICATION Sec. 5.1 Testing
30	Table 10 Proof-of-design torque Sec. 5.2 Production Testing Sec. 5.3 Plant Inspection and Rejection
31	SECTION 6: DELIVERY Sec. 6.1 Marking Sec. 6.2 Packaging and Shipping Sec. 6.3 Affidavit of Compliance
33	APPENDIX A SECTION A.1: GENERAL SECTION A.2: UNLOADING
34	SECTION A.3: INSPECTION PRIOR TO INSTALLATION 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 Hydrostatic Testing
36	Sec. A.5.6 Records Sec. A.5.7 Application Hazards
37	SECTION A.6: INSPECTION AND MAINTENANCE Sec. A.6.1 Valve Exercising Sec. A.6.2 Inspection
38	Sec. A.6.3 Record Keeping SECTION A.7: REPAIRS