scope:

This standard describes valves and fittings in sizes ½ in. (12.7 mm) through 2 in. (50.8 mm) for use in the buried service line from the main to the meter valve or meter setting appurtenance. Valves include corporation stops and curb stops. Fittings include various types of couplings and adapters.

Installation. The performance of products depends on proper installation. The purchaser must follow instructions supplied by or available from the manufacturer. If these instructions are not available, good installation practices shall be followed.

Purpose

The purpose of this standard is to provide purchasers, manufacturers, and suppliers with the minimum requirements for underground service line valves and fittings, including materials, design, inspection, and delivery.