Pneumatic shake devices
Pneumatic knocker
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Pneumatic knocker could be used for bulk material release if the bulk material was adhesed on walls of tubes or filling hopper. Compared to ball vibrator, knocker can be used for materials which solidify by intensive shedding; in this case individual shakes are well-proven. Knocker shoul be controlled as well as double acting cylinder. From piston diameter 50 mm incl. knockers are equipped with fully adjustable cushioning at end of return piston movement. |
Order codes | Technical data | Dimensions | Recommended connection | Data sheet (PDF) | Technical information |
Technical data
Working pressure | 0,6 MPa |
Min. pressure | 0,2 MPa |
Max. pressure | 1,0 MPa |
Temperature range | -20oC to +80oC |
Working medium | modified compressed air |
Type | OK32 | OK40 | OK50 | OK63 | OK80 |
Piston diameter [mm] | 32 | 40 | 50 | 63 | 80 |
Stroke [mm] | 60 | 75 | 100 | 120 | 150 |
Piston weight [kg] | 0,2 | 0,4 | 1 | 2,3 | 4 |
Reccommended orifice of air supply [mm] | 8 | 8 | 10 | 10 | 10 |
Reccommended flow capacity [Nl/min] | 900 | 900 | 1600 | 1600 | 2200 |
Impulse [Ns] | 1,7 | 3,5 | 8 | 15 | 30 |
Kinetic energy [Nm] | 7 | 14 | 32 | 60 | 100 |
Instalation and operation notes:
We recommend to fix fixing screws with Loctite 242E or similar adhesive.
There is necessary to check right tightening of fixing screws regularly to prevent their releasing.
We recommend to use quick exhaust valve on exhaust on impact side not to decrease knocker‘s effectivity.
Construction / materials
- flange: zinc plated steel
- end cap: aluminium casting
- body: drawn dural tube, anodized
- piston: steel