Uses gear pumps and chain drive to accurately meter two part materials. One, two, or five gallon reservoirs are available along with drum feed.
Output is 1.5 quarts per minute, less with very thick materials.

Air powered two part meter mix system, many options are available.  Continuous flow model is capable of up to 3-4 pounds per minute output.

 Also air powered, the Pro-meter is able to dispense up to 1 gallon per minute of accurately mixed two part resins.