The world leader in Air Valves Technology


An operating concept proven unsurpassed for air/gas release, vacuum protection and surge alleviation

Conventional sewage air valves are presented with major functional problems when operating on sewage and effluent pipelines transporting solids and other vicious substances. In fact, solids fats and oils quickly act to jam up standard air valves and render them useless, consequently unhygienic leaks threaten health and the ecosystem.

VENT-O-MAT Series RGX sewage air valves are a unique operating concept that has proven unsurpassed for air/gas release, vacuum protection and surge alleviation.

The Series RGX valve is maintenance free and constructed in corrosion and erosion resistant materials for dependable and lasting pipeline protection.


And Key Features

  • Mechanically retained moulded body seal
  • Gate guided through full length of the stroke
  • Self-cleaning flush out corners prevent deposit build-up in sealing area
  • Full bore unrestricted flow area – no seat pockets or cavities
  • Bi-directional leak-proof sealing
  • 150 psi CWP (10 bar) pressure rating for all sizes
  • Adjustable stuffing box and gland design ensures leak-proof sealing to atmosphere
  • Secondary transverse seal increases the wear life of the primary seal
  • Built in PTFE scrapers keep the blade free from any foreign matter over the whole width of the blade during operation.
  • Yoke design allows for easy mounting of proximity and limit switches and also includes lockouts in both the open and closed position
  • The mounting plate is designed to accept manual, pneumatic or electric actuation
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