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Manual Screen Changer Type HR |
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Manually actuated Slide Plate Screen Changers for discontinuous operation |
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The new KREYENBORG slide plate screen changers are applied in processes in which a discontinuous resp. a not pressure constant filtration is sufficient.
With a slide plate screen changer one or two screen cavities are arranged on a swivel or slide plate, which is located between an inlet and an outlet flange.
A movement of this plate effects that the screen cavity is taken out of the process for screen change. At the same time the material flow is either locked or a second screen cavity performs the filtration task.
Applications
- for processing virgin material
- for processes with low pollution (e.g. blown film extrusion, profile extrusion)
- as protection filter with rough filter fineness (e.g. pump protection filtration
Materials
- suitable for almost all polymers
Function
- discontinuously working melt filters, for the screen change the line has to be switched of for a short time (2-4 min.)
- for the screen change the captive washer is operated by hand ratchet by means of a gear wheel drive. Thereby the screen cavity is swivelled out of the machine, in order to change the filter media
- during the screen change the captive washer locks the flow channel
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Technical Data
| Type |
Screen diameter
[mm]
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Active filtration area[cm²] |
Output
[kg/h]
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| HR 50-1 |
51.0 |
20.4 |
35-70 |
| HR 60-1 |
62.0 |
30.2 |
60-180 |
| HR 70-1 |
72.0 |
40.7 |
80-180 |
| HR 80-1 |
83.0 |
54.1 |
110-290 |
| HR 90-1 |
93.0 |
67.9 |
110-290 |
| HR 100-1 |
103.0 |
83.3 |
140-370 |
| HR 120-1 |
123.0 |
118.8 |
200-570 |
| HR 150-1 |
143.0 |
160.6 |
350-1070 |
| The output rates depend on the individual process parameters. Subject to design modifications. |
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