3AV Single Stage Liquid Ring Close-Coupled Vacuum Pumps

The Airtech 3AV Series closed-coupled liquid ring vacuum pumps are ideal for various applications that require continuous and quiet operation, a compact design, and reduced power consumption.

The single stage, variable discharge port design provides efficient operation from 1 through 262 cfm for vacuum levels up to 29″Hg. The impeller’s unique design of slower spinning curved blades reduces tip speed enhancing the life expectancy of the pump.

3AV Features

3AV

  • More compact than conventional liquid ring pumps
  • No belts, no couplings – alleviating problems with wear, alignment and belts
  • Standard models have cast iron housing, Stainless Steel impeller & PTFE flap valve
  • Other materials of construction are available
  • Designed for heavy duty applications
  • Manufactured to ISO-9001 Standards
  • Single Face Mechanical Seal arrangement is standard
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3AV MODELS

Model
Nominal Capacity (ACFM)
Horsepower
Pump Speed (RPM)
Max Vacuum (Hg)
3AVI 8
 6.7 ACFM 0.7 hp 3400 RPM 28.3″
3AV30 18 ACFM 1.5 hp 3450 RPM 29″
3AV55 33 ACFM 3 hp 3450 RPM 29″
3AV95 48 ACFM 4 hp 1750 RPM 29″
3AV130 72 ACFM 5 hp 1750 RPM 29″
3AV155 86 ACFM 7.5 hp 1750 RPM 29″
3AV255 144 ACFM 10 hp 1750 RPM 29″
3AV330 187 ACFM 15 hp 1750 RPM 29″
3AV430 262 ACFM 20 hp 1750 RPM 29″