Hoffman 71C 401467 1/2" X 3/4" Connection Convector Steam Vent Air Valve (non-vacuum)

Features

• Float-type vent
  
• Single non-adjustable port 
• Meets Federal Specification WW-V-151 for Type 1 Non-Adjustable Valves
• Telescopic siphon tube with angle cut assures drainage
• 1/2″ NPT Female and 3/4" NPT male straight shank
  
• Maximum operating pressure 11 psig (0.8 bar)*
  
• Maximum pressure 15 psig (1.0 bar)

*Drop away pressure (maximum pressure against which the vent can open).