AWWA C207-23

This standard describes ring-type slip-on flanges and blind flanges. The flange pressure limits and the tables that describe them are

1. Ring-type, slip-on flanges (see Tables 2, 3, and 4).
2. Blind flanges (see Table 5). Unless otherwise specified by the purchaser, the manufacturer shall select the type to be used.

The purpose of this standard is to provide minimum requirements and dimensions for a variety of steel flanges for attachment to steel water pipe and fittings.

Intended use. Flanges in this standard are intended for use with steel pipe, fittings, or appurtenances meeting the requirements of ANSI/AWWA C200, ANSI/AWWA C208, or other equivalent standards. It is intended that flanges be attached by welding in accordance with Sec. 4.3 of this standard.