FAST SET MATERIAL PROPORTIONER

摘要

A proportioner for dispensing plural component materials includes an electric motor (12) having two ends, to which are attached respective reciprocating piston pumps (18). The pumps are connected to respective sources of two different materials, and have outputs having respective pressures. A controller is also provided having provision for a user-selectable setpoint. The controller continually monitors the two pressures and Lives an alarm in the event one of the pressures falls to a predetermined percentage of the setpoint.