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Products / Medical / Oil-Free Claw Systems / Rotary Claw / Duplex Stack


We understand the importance of the quality of machinery and systems including rotary claw vacuum pump lines within the medical industry. This is why we here at GlobalVac are confident that you can trust in the medical vacuum pump systems and rotary claw vacuum pumps that we offer.


Our experts and technicians are able to recommend which medical vacuum pump system or rotary claw vacuum pump system is right for your facility's size and capability. Please feel free to browse our extensive line of high-quality medical vacuum pump systems and screw vacuum pumps.

Duplex Stack



  • Two Oil-free Rotary Claw Vacuum Pumps mounted on a fabricated frame with an Epoxy Lined vertical receiver and a mounted and wired NFPA compliant PLC Control Panel
  • Inlet Filter mounted on each pump
  • High Discharge Temp Switch on each pump
  • No Oil in pumping chamber only in Gear Box
  • Epoxy Lined Vertical Receiver with System Isolation Valve, Sight Glass, Manual Drain Valve and Three-Valve By-Pass
  • Duplex PLC Control Panel with all NFPA alarms
  • System is built as two skids bolted together with single point connections for process inlet, system discharge and system control power.


Duplex NFPA PLC Control Panel Including the Following:

  • Finger Safe Power Distribution Block
  • Full Voltage Motor Starter for Each Pump
  • Dual 120V Control Transformer with CB protected Primary and Secondary Circuits
  • Dual 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
  • Panels with VSD also available

GPVBD-1104-N-120244/4428.4"Hg3914120 GALLLON
GPVBD-1144-N-120357/5728.4"Hg5420120 GALLLON
GPVBD-1102-N-120479/7928.4"Hg7327120 GALLLON
GPVBD-1142-N-1205103/10328.4"Hg10238120 GALLLON
GPVBD-1202-N-2006.5135/13527"Hg13248200 GALLLON
GPVBD-1252-N-2007.5165/16527"Hg16259200 GALLLON
GPVBD-1322-N-2009200/20025.5"Hg19572200 GALLLON
GPVBD-1502-N-24015325/32524"Hg315115200 GALLLON