Corken Compressors
Reftec International Systems, LLC. is now handling distribution of the Corken line of industrial compressors.
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Reftec has recently been certified by the American Bureau of Shipping (ABS).  Our products are being utilized in the cruise industry, naval applications as well as onboard tankers and freight liners.  Please contact us for your ocean going vessel HVAC needs. 


“As a service provider in the HVAC and Commercial Recovery Recycling Equipment repair industry for over 19 years, we realize the value of quality designed and well built equipment. Time is money and most recovery recycling equipment is built with the smaller systems in mind, primarily having portability be the prerequisite to build. Reftec has always been ahead of the curve with equipment designs that almost double the recovery rates of competitive units of there class with very little sacrifice in weight. A few pounds in weight is well worth the hours saved on a rooftop or chiller job.”

Sincerely, David Loika, Century Tool & Equipment

Item Details
Coro-Flo Pumps
Item Name:
Coro-Flo Pumps
Item #:

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Corken Coro-Flo® pumps are a regenerative turbine design. They produce a maximum differential pressure of 150 psig (10.3bar g). Corken manufactures six sizes of Coro-Flo pumps, ranging from 2 to 35 gpm (7.5 - 132 L/min). These pumps can handle discharge pressures up to 400 psig (27.6 bar). These pumps are designed for continuous duty on light liquids such as Anhydrous Ammonia, Propane, Butane, Propylene, Gasoline and others.


  • Reflux pump for gas liquids
    LP-Gas Vaporizer feed pump
    Aerosol propellant pump
    Anhydrous ammonia cylinder filling
    Propane motor fuel pumping

Product Features

  • Excellent for low flows and relatively high head pressures
  • Linear performance curve
  • Floating Impeller design - No metal to metal contact
  • Impeller is the only moving part - minimal wear parts
  • Extremely quiet and free of vibration
  • Smooth continuous flow
  • Years of service

Product Options

  • Material options - stainless steel internals 
  • Optional Integral C-face motor adapter
  • Various drive options
  • NPT or ANSI flanged

The DS/DL type Coro-Flo® pumps are designed to eliminate the need for a baseplate, coupling guard, and coupling alignment which makes the DS/DL series pumps compact and easy to install. The special bracket supports both the pump and the motor so they can be directly coupled.

Long Life and Ease of Maintenance

The Coro-Flo®'s one moving part, the impeller, floats on the shaft without contacting adjacent surfaces, thus extending pump life. This pump series is inexpensive and simple to repair. The pump design allows the seal to be replaced in minutes.

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