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)
