33ATD Air Release & Vacuum Breaker Valve with Air Throttling Device

Designed to protect pipelines from air lock and vacuum collapse, Cla-Val Pacific's Model 33ATD Air Release and Vacuum Breaker Valve with a built-in throttling device eliminates air and prevents vacuum formations in pipelines. A large venting orifice and large float clearances freely exhaust or admits air during pipeline filling or draining. 

Product Advantages
  • Automatically eliminates air pockets
  • Easily serviced without removal from pipeline
  • Simple, effective patented design
  • Corrosion resistant internal parts
  • Threaded and flanged inlet options available
  • Engineered for lasting service Sizes 2", 3" and 4" UL Listed