Dixon Powhatan Groove x Groove Check Valves

Description

Single check valves are used in fire protection systems to allow water flow in one direction only. Typical applications are: At connections between public water supplies and private fire services systems At the discharges from fire pumps At gravity tank connections At fire department pumper connections Supplied with a ¼” and ½” tapped NPT port below the clapper and a ¼” tapped NPT port above the clapper Supplied with a 1½” NPT tapped boss below the clapper. Boss above the clapper may be tapped for the addition of a ½” NPT drain. For horizontal and vertical installation U/L listed  For use up to 250 PSI working pressure at 70?F (21?C)