Air Knocker : Findeva
Knockers <FKL in>
Variable impact force and interval,
The Air Knocker FKL in-Series
Wide range of uses, including in the open air, and in wet or explosion risk areas. For knocking off material adhesions on container walls such as in silos, hoppers, filter outlets, reactors and pipelines.
Properties
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Single or interval impact mode
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Variable impact force and interval
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Lubrication-free
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Flexible range of application
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Can be used up to 120 ํC, HT version up to 150 ํC and LT version down to -40 ํC on request
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Also available with ATEX certification
Field of application
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Broad field of application. Knocking off adhering material from container walls such as silos, chutes, filter outlets, reactors and pipelines.
Construction
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A piston is forced against a spring by compressed air. With rapid venting, the piston closes against a baffle plate. Knocker housing made of aluminium, baffle plate made of impact-resistant special plastic.
High-frequency Knockers FPK
The Air Knocker FKL in-Series
Wide range of uses, including in the open air, and in wet or explosion risk areas. For knocking off material adhesions on container walls such as in silos, hoppers, filter outlets, reactors and pipelines.
Properties
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High-impact frequency 1’350 – 4’600 vpm
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High force range 195 – 56’350 N
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Lubrication – free
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Can be used up to 120 ํC, HT version up to 150 ํC and LT version down to -40 ํC on request
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Can be used in dusty environments
Field of application
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Broad field of application, for example knocking off adhering material from container walls such as silos, chutes, filter out-lets reactors and pipelines.
Construction
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With the FPK-knockers compressed air pushes a piston in a linear direction (vibration).
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When used as a high frequency knocker, the piston shoots against a plastic baffle plate supplied with the knocker. Additional impact regulation is provided by baffle plates of varying hardness.
