Compressed Air Systems
CAS logo
Compressed Air Systems
Simplicity. It's What We Do.

Reciprocating Compressors

Industrial-Duty Duplex

7.5 HP Heavy-Duty Duplex

Industrial duty icon portable icon duplex icon

Compressed Air Systems duplex compressors are the ultimate in electrical efficiency. Designed for redundancy in all situations and built to deliver twice the power in the same amount of space as a typical compressors. Our duplex compressors deliver additional air when needed, are easy to service, maintain and operate. All units feature heavy-duty cast iron low-RPM pumps manufactured for durability and long life and heavy-duty compoments.

7.5hp Duplex Reciprocating
  • Features
  • 56 cfm @ 175 psi (Time Delay)
  • 28 cfm @ 175 psi (Alternating)
  • No Start-Up Kit Required
  • Optional 5-Year Pump Warranty
  • Access to compressor valves without compressor head removal
  • All UL electrical controls
  • ASME tested powder coated steel tank
  • Auto start/stop
  • Bearings on both ends of the crank shaft
  • Centrifugal unloader
  • Disk and spring valves
  • Fully enclosed belt guard
  • Heavy-duty air filter
  • Heavy-duty two stage solid cast iron pump
  • Industrial grade electric motor
  • Magnetic starter mounted and wired
  • Needle bearings, and inserts on rods
  • Stainless steel flex air lines
  • Swedish steel valves
  • TEFC drive motor (3 phase only)
  • Torrington needle bearings
  • 2-groove B width motor pulley
  • 2-piece tank top plate design
  • Elite Model Features
  • All basic features
  • Automatic tank drain
  • Belt guard after cooler
  • Low oil monitor
  • Tank discharge ball valve
  • Vibration pads
  • Freight pre-paid in the 48 states & southern Canada
Elite Aftercooler
Air-cooled aftercooler on all Elite units
Model Phase Voltage Tank Length Width Height
DB71H126 1 208-230 120 Gallon Horizontal 86 30 50
DB73H126 3 208-230-460 120 Gallon Horizontal 86 30 50
DB71H246 1 208-230 240 Gallon Horizontal 86 30 50
DB73H246 3 208-230-460 240 Gallon Horizontal 86 30 50
Add E after model number to make Elite Model
All Models
Rotary Screw
Air Treatment