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Products / Laboratory / Oil-less Rotary Vane / Oil-less Rotary Vane / Duplex Stack


We offer a large selection of dry vacuum pump and rotary vacuum pump systems for laboratories. GlobalVac has been an industry leader in vacuum technology, we have worked with many laboratory facilities in manufacturing their ideal dry vacuum pump and rotary claw vacuum pump systems.


Our highly experienced technicians will be able to help with your purchase of the perfect dry vacuum pump and rotary vacuum pump system for the size and capabilities of your laboratory. Please feel free to browse our extensive line of dry vacuum pump and rotary vacuum pump systems.

Duplex Stack

The GlobalVAC Duplex Oil-less Rotary Vane stack mount Lab Vacuum systems are built as two skids bolted together. One skid consists of two vacuum pumps mounted on a fabricated frame. A second skid is built with a Epoxy Lined vertical receiver with a mounted and wired PLC control panel. Each pump is equipped with an isolation valve, check valve and pump mounted inlet filter assembly with quick clasp system for easy element changeout Each pump is equipped with electrically actuated purge process to remove condensable vapors as pump cools. The receiver is equipped with a sight glass, manual drain valve.

Duplex PLC Control Panel Including the Following:

  • Finger Safe Power Distribution Block
  • Full Voltage Motor Starter for Each Pump
  • 120V Control Transformer with CB protected Primary and Secondary Circuits
  • 120Vac/24Vdc Power Supply
  • PLC  w/integrated HMI with Touch Screen & Keypad
  • Door Mounted Motor Circuit Protector for Each Pump
  • Auto Restart after Power Outage
  • 4-20mA Transmitter to Control Pumps via PLC
  • H/O/A Switch, Run Light, Hour Meter integrated in PLC
  • Door Mounted Disconnect
  • Dry Contacts for Remote Monitoring
  • PLC By-pass allows Pump Operation with MCPs
  • System Fault Indicator display on PLC
  • UL 508 Listed,  NEMA 12 Enclosure
  • Maintenance Due Screen display on PLC
  • System Parameters selection via PLC

GPBKBD-100-P-120V569/13827"Hg10638120 GAL VERTICAL
GPBKBD-140-P-120V6.495/19024"Hg15056120 GAL VERTICAL
GPBKBD-2200-P-200V6.4128/25624"Hg20074200 GAL VERTICAL
GPBKBD-2250-P-200V8.9174/34824"Hg290106200 GAL VERTICAL