• Incorporate integral relief valves for added system protection.
• Large vent helps prevent blockage and has 3/4" FNPT thread for vent piping.
• Bonnet vent positioned over outlet to avoid icing and contamination by foreign material.
• Unique bonnet vent profile designed to minimize vent freeze over when properly installed.
• Replaceable valve orifice and valve seat disc.
• Straight-line valve closure reduces wear on seat disc.
• Large molded diaphragm is extra sensitive to pressure changes.
• Built in pressure tap has plugged 1/8" F.NPT outlet.
  Plug can be removed with a 3/16" hex allen wrench.
• Extra long lever arm provides uniform delivery pressure.
• Brilliant red finish.

Application