AWWA C500-09 Metal-Seated Gate Valves for Water Supply Service
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AWWA C500-09 Metal-Seated Gate Valves for Water Supply Service

AWWA C500-09 Metal-Seated Gate Valves for Water Supply Service

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Publisher: AWWA
Publication date: 2009
AWWA catalog no: STC_0070771
Media Type: PDF, Print
Number of pages: 44
DOI: https://doi.org/10.12999/AWWA.C500.09
This standard describes iron-body, brass-mounted, nonrising-stem (NRS) gate valves, including tapping gate valves, 3-in. (75-mm) NPS through 48-in. (1,200-mm) NPS, and outside screw and yoke (OS&Y) rising-stem gate valves, 3-in. (75-mm) NPS through 24-in. (600-mm) NPS, with either double-disc gates having parallel or inclined seats, or solid-wedge gates. These valves are suitable for use in approximately level settings in water systems. These valves are intended for applications where fluid velocities do not exceed 16 ft/sec (4.9 m/sec) when the valve is in the fully open position. The major revisions in this edition of ANSI/AWWA C500 include the following: editorial changes to conform to current AWWA form and content; permitting the use of stainless-steel stems and reduced-thickness ductile-iron flanges; addition of stainless steel as a stem material; addition of a "nonintegral thrust collar" for stems in NRS valves; addition of aluminum-bronze and silicon-bronze copper alloys; provision for reduced flange thickness for end flanges of ductile-iron flanged valves; addition of 14-in. and 18-in. valve sizes; and, addition of metric fasteners and socket head fasteners.
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Item Details:
This standard describes iron-body, brass-mounted, nonrising-stem (NRS) gate valves, including tapping gate valves, 3-in. (75-mm) NPS through 48-in. (1,200-mm) NPS, and outside screw and yoke (OS&Y) rising-stem gate valves, 3-in. (75-mm) NPS through 24-in. (600-mm) NPS, with either double-disc...
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