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Single Body Combination Air Valve


The GA Industries Figure 942 Single Body Combination Air Valve provides air/vacuum and air release capability in a single, compact valve body. The combination allows the valve to exhaust large amounts of air at start-up, to release small pockets of air while the system is running, and to prevent critical vacuum conditions during draining. 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 seating
  • Full port for maximum capacity
  • Stainless steel float
  • Increases system efficiency
  • 1”-3” NPT or 4”-8” flanged
  • Pressure up to 200 PSI
  • Optional backflushing attachments


  • Body, Cover: Cast Iron, ASTM A126 Class B
  • Cage: Ductile Iron ASTM A536, Grade 65-45-25
  • Seat: 316 Stainless Steel
  • Plug: 316 Stainless Steel
  • O-Ring: Buna-N
  • Float Ball, Arm: 316 Stainless Steel
  • Bolts: Steel

Product versions

Durovent™ All Stainless Steel

Product features and benefits
  • For corrosive environments
  • Ideal for coastal installations or those subject to flooding
  • 2” x 1” (1” size with 2” NPT connection)
  • 2” x 2” (2” size with 2” NPT connection)
  • For working pressure up to 150 PSI


Product features and benefits
  • Compact combination air valve
  • 1/2”-3” NPT and 3”-16” flanged
  • Pressures up to 1000 PSI
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9025 Marshall Road
Cranberry Township, PA 16066
United States
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