AWWA C500-93 Metal-Seated Gate Valves for Water Supply Service (includes addendum C500a-95)

standard by American Water Works Association, 01/01/1993

Full Description

This standard covers iron-body, bronze-mounted, nonrising-stem (NRS) gate valves including tapping gate valves, 3 in. (75 mm) NPS through 48 in. (1200 mm) NPS, and outside screw and yoke (OS The "Modification to Standard" and "Acceptance" sections have been added to the foreword. Asbestos packing and gasket materials are no longer referenced in the standard; Information on tapping valves has been added; Soft metric equivalents have been added; Definitions have been modified; The Safe Drinking Water Act 1986 Amendments reference to maximum lead content in bronze has been added; and Repairs to castings of valve components have been clarified (Sec. 4.1.2).

Product Details

Published: 01/01/1993 ANSI: ANSI Approved Number of Pages: 32 File Size: 1 file , 460 KB