Specification

The NDS gravity ow Backwater Valve is designed to protect
low areas or basements from the backow of waste from the
street sewers. It is available in 2”, 3”, 4”, and 6” Hubs outlets;
which t 2”, 3”, 4” and 6” DVW and IPS pipe. The 3”, 4” and 6”
Hubs may also be adapted to t sewer and drain pipe with the
use of NDS “DWV to Sewer and Drain Adapters” (2P41, 3P42,
2P43).
851 N. Harvard Avenue
Lindsay, CA 93247
800-726-1994
Standard Material
PVC components: Virgin PVC with cell classicaon
12454 & corresponding physical properes as
classied by ASTM D1784. Gaskets/O-ring : Must
comply weigh requirements of ASTM C1440.