VAP 1 / VAP 2 06/2020 Page 16/52
2. Device description
The vacuum pump VAP 1 / VAP 2 serves to are used to extract harmless solvents from the VD vacuum
drying ovens from BINDER. The vacuum pumps are delivered with operating mode S1 (continuous
operation with constant load). During operation with the VD vacuum drying oven the pump runs in
continuous operation. The pressure control of the VD vacuum drying oven controls a valve to the
connected vacuum pump and so the set vacuum is reached.
All operating elements of the pump are easy and comfortable to use thanks to their clear arrangement.
Major features are easy cleaning of all chamber parts and easy connection.
Construction
The vacuum pump consists of the pump unit and drive motor. The pump unit includes the drive unit and
the pump heads. Each pump head contains form diaphragms and the working valves. The pump heads
face each other in a boxer arrangement. The pump heads are driven by an eccentric shaft with a
connecting rod.
Material
The housing made of steel FR235SRJR / KF12.03 and RAL 7035 powder-coated. All corners and edges
are also completely coated.
For the materials of pump parts in contact with the medium see chap. 10.4.
Temperature safety device
The device is equipped with am thermal switch located at the pump motor. This self-retaining bimetal
switch disconnects the entire pump when overheating. Reset is possible after cooling. To reset the
thermal switch, turn the device off and on by the main power switch (on / off switch).
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