Metering unit e.g. for injection gel production, has two-reciprocating metering pumps and two-component mixing head with rolling away lever valve arranged in housing of two-reciprocating metering pumps

摘要

The metering unit has a two-reciprocating metering pumps and a two-component mixing head. A rolling away lever valve is arranged in the housing of the two-reciprocating metering pumps at the beginning and at the end of the stroke of each piston rod. The transfer valves are controllable by means of a push-button valve and with one of the two piston rods the stroke way is adjustable by means of the two-reciprocating metering pumps.