WOB-L® piston pumps/compressors - 2688V Series - THOMAS
2688V Series
Vacuum
Features & Benefits
  • Head design allows easily replaced piston seal
  • Oil-less, non-lube piston and cylinder
  • Permanently lubricated bearings
  • Stainless steel valves
  • Lightweight die cast aluminum components
  • Long-life, high performance piston seal
  • Thin wall, hard-coated aluminum cylinder for maximum heat transfer
  • Twin fans provide cooling air through and around motor and cylinders
  • Dual intake/exhaust manifold system for easy piping
  • Balanced for smooth, low vibration operation
  • Field service capability
  • Inlet filter
  • Capacitor
  • All wetted aluminum parts treated for corrosion protection from moisture
  • Patented one piece head for fewer parts and reduced leak paths
  • UL Recognized motor and thermal protector, 115v/60Hz models
  • CE/TUV approved, 220-240/50Hz model 
Range Technical Overview
  • Capacity up to 1.6 cfm / 45.3 l/min
  • Vacuum to 29 in.Hg / -982 mbar
Possible Applications
  • Oxygen Concentrators
  • Copiers
  • Blood & Laboratory Analyzers
  • Dental & Optical Equipment
  • Ozone Generators
  • Vacuum Frames
  • Waveguide Pressurization
  • Packaging Equipment
  • Aspirators
  • Respirators
  • Medical Trauma Carts
  • Laboratory Air Dryers
  • Powder Spraying
  • Duplicators
  • Printing Equipment
  • Mail Sorters/Stuffers
  • Cable & Radar Pressurization
  • Animal Feeders
  • Sprayer Systems
  • Pump Priming
  • Purging Systems
  • Vacuum Clamps
  • Chair Lifts
    Model No
    Free flow
    Maximum vacuum
    Voltage
    Motor Rating
    Motor Type
    cfm l/min
    in.Hg mbar
    V Hz
    W hp
    Model No.
    2688VE44
    Free Flow
    1.60 45.3
    in.Hg mbar
    Maximum vacuum
    -982.0
    mbar psi
    Voltage
    AC / 115 60/1
    V Hz
    Motor Rating
    240 0.32
    W hp
    Motor Type
    PermanentSplitCapacitor
    Model No.
    2688VGHI44
    Free Flow
    1.60 45.3
    in.Hg mbar
    Maximum vacuum
    29.0 -982.0
    mbar psi
    Voltage
    AC / 220-240/230 50/60/1
    V Hz
    Motor Rating
    155 0.21
    W hp
    Motor Type
    PermanentSplitCapacitor
    Model No.
    2688VS44
    Free Flow
    1.60 45.3
    in.Hg mbar
    Maximum vacuum
    29.0 -982.0
    mbar psi
    Voltage
    AC / 100 50/60/1
    V Hz
    Motor Rating
    205 0.27
    W hp
    Motor Type
    PermanentSplitCapacitor

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