Item No: HOF79

Water Main Vent Valve

• For use on hot or cold or glycol water mains and
• process applications with specific gravity greater than 0.7
• Tapped at top for 1⁄8" NPT safety drain connection
• for discharging moisture
• Removable top
• Built-in Check Valve
• 1⁄2" NPT female and 3⁄4" NPT male straight shank
• Maximum operating pressure 75 psig (5.2 bar)(Drop away pressure - maximum pressure against which the vent can open).
• Maximum hydrostatic pressure 200 psig (13.8 bar)
• Maximum temperature 250°F (121°C)