Graco pump - dual pump w/ variable ratio control

What is for sale: Graco pump - dual pump w/ variable ratio control

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Variable Ratio Hydra-Cat Proportioning Pump
Made by: Graco - Monarch model
Ratios of base to catalyst is 2.9 to 1 to 10.0 to 1
Unit is equipped with a primary and secondary (slave) pump. Generally used for mixing catalyst into desired materials. The ratio can be adjusted by sliding the pivot fulcrum of the slave pump along a graduated scale. These unts are still in production, and parts are readily available.
Unit checked out in our shop and found to be functioning.