1/2" MNPT Brass Automatic Sprinkler Valve | WMC910

Key Features

• Small, compact, spring-loaded valve designed especially to drain sprinkler systems
• Fine screen on intake and drain ends prevents clogging from either direction
• Has a 5 oz bronze spring that opens valve against a 6 ft. head (1,8 m/hd) of water, insuring drainage in all sections of the system
• Drain will close tight on three pounds line pressure
• Not recommended for pipe lines under continuous pressure