ASC Engineered Solutions

ASC Engineered Solutions


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  • Two Sizes Equip All Riser Systems
  • Spherical Float for Strength
  • Stainless Steel Float and Trim
  • Special Design Eliminates Blow-by
The Air Vent (GAV) features a Stainless Steel spherical float design. Air in the piping system is vented through the discharge valve that is normally open. Rising water activates the float to close the valve. The valve outlet is tapped to take a safety drain line.
Simplicity of design in the GAV ensures long-lasting efficiency. The Stainless Steel float and valve mechanism involve no wearing parts, and no intricate function. The precision formed cast iron body custom fits the float and valve, and protectively houses their operation under the most demanding conditions.
GAV-15-OR-30
Unit of Measure
Items GAV-15-OR-30
1/2-GAV-30
GAV-30 1/2 AIR VENT 		GAV-15-OR-30
3/4-GAV-30
GAV-30 3/4 AIR VENT
Industry Standards/Certifications N/A FM Approved
Type N/A Air Vent
Style N/A Automatic
Valve Size N/A 1/2 in N/A 3/4 in
Body Material N/A Cast Iron ASTM A 126, Class B
Cover Material N/A Cast Iron ASTM A 126, Class B
Lever Frame Material N/A Stainless Steel ASTM A 240
Seat Material N/A Stainless Steel-T303, 582
Float Material N/A Stainless Steel-T304, ASTM A 240
Gasket Material N/A Non Asbestos
Cover Bolt Material N/A Alloy Steel ASTM A 449 Grade 5
Float Arm Material N/A Stainless Steel-T304, ASTM A 240
Orifice Button Material N/A Viton
Pivot Pin Material N/A Stainless Steel-T303, 582
Pin Retainer Material N/A Stainless Steel-Ph 15-7 MO
Pipe Plug Material N/A Steel
Float Retainer Material N/A Stainless Steel T304, ASTM F 879
Locator Material N/A Stainless Steel-T304, ASTM F 593
Lock Washer Material N/A Stainless Steel T304, ASTM A 240
Pressure Rating N/A 300 psi
Product Number N/A 0386012108 N/A 0386012116
UPC Code N/A 69029159942 N/A 69029159943
HPH Code N/A
Weight N/A 7.5 lb