ASTM * A307, Standard Speci? cation for Carbon Steel Bolts and Studs, 60,000 psi Tensile Strength, is required (Sec. 4.4.2). It is mended that the purchaser verify with the supplier the appropriateness of any alternative bolting materials required. 14. Bell dimensions or outside diameter of pipe for valves 16-in. (400-mm) NPS or larger (Sec. 4.4.3.1.2), if deviating from Table 3. 15. Type of valve ends—bell (Sec. 4.4.3.1), ? anged (Sec. 4.4.3.2), tapping-valve ? ange (Sec. 4.4.3.3), mechanical joint (Sec. 4.4.3.4), or push-on joint (Sec. 4.4.3.5). 16. Spot-facing, if required (Sec. 4.4.3.2.1). * ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. c500-09.indd Sec1:x 8/31/2009 11:48:02 AM Copyright ? 2009 American Water Works Association. All Rights Reserved.
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