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Vacuum Breaking Valve


The GA Industries Vacuum Breaking Valve prevents critical vacuum conditions during system draining. The air inlet is supplied with a hood and screen to minimize entry of foreign material. For additional configurations, see Product versions below.

American Iron and Steel compliant version available.

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General information

Product features and benefits

  • Rugged and corrosion resistant
  • Drop tight shutoff
  • Protective hood and screen
  • For water with no solids or debris


  • Body: Cast Iron, ASTM A126 Class B
  • Body Seat, Disc: Bronze
  • Bushing: Bronze
  • Spring: Stainless Steel
  • Resilient Seat: Buna-N
  • Screen: Stainless Steel

Product versions


Product features and benefits
  • Two valve assembly including a vacuum breaking valve and an air release valve
  • 2-1/2”-12” Class 125 or 250 flanged
  • 3/16” orifice for pressure up to 250 PSI
  • 1/8” orifice for pressure up to 150 PSI


Product features and benefits
  • 2-1/2”-12” Class 125 or 250 flanged
  • Pressures up to 400 PSI
  • Temperatures to 150°F
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9025 Marshall Road
Cranberry Township, PA 16066
United States
+1 724-776-1020 +1 724-776-1254 Write e-mail