The Tunstall Vacuum Breaker is a simple device which provides a dependable means of relieving an unwanted vacuum condition. Available with either a brass or Stainless Steel body, the rugged body provides for long life. With four different NPT pipe sizes available*, installation is simple. A soft resilient EPDM seat provides for quiet opening and closing. This, combined with the internal spring, prevents “chatter” when the valve is operating.

  • Prevent possible equipment damage

    Improve system efficiency

    Maintenance free operation

    Easy installation

  • Condensate Lines

    Heating Coils

    Heat Exchangers

    Jacketed Kettles

    Make-up Air Coils

    One Pipe Steam Non-Electric Valves

    Steam Boilers

    Storage Heaters

    Steam Mains

    Textile Dry Cans

    Unit Heaters

  • Body: Stainless Steel AISI 420F

    Cap: Stainless Steel AISI 416

    Disc: Stainless Steel AISI 420

  • Pressures up to 125 PSIG (8.6 Bar)

    Temperatures up to 350º

    Horizontal Break Point 2.5 inches of HG

    Vertical Break Point 2.5 inches of HG

    Available in either Brass or Stainless Steel

    *4 different NPT sizes: Brass - 1/8”, 1/2” & 3/4”, Stainless Steel - 1/8”, 1/2”, 3/4” & 1”