The 3AV 55 close-coupled liquid ring vacuum pump is designed for heavy duty applications with a voltage range of 208 – 230 / 460. The variable discharge port design is manufactured to ISO 9001 standards.

Model Features

  • 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 available
  • Designed for heavy duty applications
  • Manufactured to ISO-9001 Standards
  • Single Face Mechanical Seal arrangement is standard

Selection & Ordering Data

Rated HP
Voltage Range
Max Amps
Seal Water (GPM)
Sound level dB(A)
Weight (lbs.)
3AV 55 3.0 33 3450 208-230/460 7.6/4.4 1.5 69 55

3AV 55 Dimensions (Inches)


3AV Series Capacity

3AV Series Capacity