AWWA C514-20 Air Valve and Vent Inflow Preventer Assemblies for Potable Water Distribution System and Storage Facilities
SKU: 43514-2020
This standard describes 1-in. (25-mm) through 12-in. (300-mm) air valve and vent inflow preventer assemblies designed for use on the outlet of potable water distribution system air valves furnished in accordance with ANSI/AWWA C512 or storage facility vent pipes. The assemblies shall have a minimum design pressure of 25 psi (172.4 kPa [gauge]) and prevent the entry of contaminated water between 0 and 57.7 ft (17.6 m) of submergence at liquid temperatures ranging from 32°F (0°C) to a maximum of 125°F (52°C).
Description
The purpose of this standard is to provide the minimum requirements for inflow preventer assemblies including material, design, inspection, testing, marking, handling, and packaging for shipment. This standard can be referenced in documents for inflow preventer assemblies. The stipulations of this standard apply when this document has been referenced and then only to inflow preventer assemblies for potable water distribution systems or storage facility vent pipes.