The model SD7200 consists of two primary subsystems: A pump drive module and a fluid delivery module.
The pump drive module is 100% pneumatically operated to minimise explosion hazards associated with solvent dispensing. Plant line air is coupled to the dispenser with a standard quick disconnect fitting. A dual acting air cylinder is controlled by an air bearing, pneumatically piloted control valve. This bi-directional valve is speed controlled by a precision integral regulator to allow repeatable metering of solvent.The fluid delivery module consists of a primary reservoir, a positive displacement pump, a secondary reservoir and a solvent applicator. Solvent is transported from the primary reservoir to the secondary reservoir by a fully submerged piston pump. This pump is actuated by the pump drive module described above. The solvent is then gravity fed from the secondary reservoir into the application area. A solvent film is uniformly applied to the desired component by transfer from non-clogging porous materials contained in the applicator.
Direct Drive The drive must not impose severe axial or radial loads on the pumps shaft, as under these contitions premature failure may result due ...view details
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