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Laskin nozzles have been used for years as aerosol generators for filters test systems (e.g. HEPA – ULPA) and in aerosol research.
Due to the sensitive nature of aerosol generation, Laskin nozzles are also used to produce “aerosol test” to study the effects of bioaerosols.
We’ve developed a new series of Laskin generators, called AERO-X capable of being used for most applications.
Bioaerosol generation;
PFE – materials filtration efficiency;
Biological – medical research;
Instrument calibration;
Fluid dynamic experiments in wind tunnel.
A Laskin nozzle consist of a steel tube (ptfe – titanium as an option) with four holes (1 mm diameter) arranged symmetrically radial and perpendicular to the axis of the nozzle tube. Close to the holes from which the pressurized air comes out, there is a “collar” disc with a larger dimeter in which there are 4 precision holes (2 mm diameter) arranged along the axis of the nozzles itself.
The nozzle in the container is fully immersed in the solution to be sprayed. Different solutions and suspensions such as DEHS (DiEthylHexySebacate1) DOP (Dioctyl Phthalate), EMERY 3004, NaCl (Sodium chloride), PSL (Latex Sphere), Methylene Blue, Silicon oil… can be inserted.
Compressed air is applied to the top end of the nozzle tube. Air escapes at high velocity from the radial holes and then pulls the liquid with it through the holes in the collar ring. As a result, the liquid is finely atomized into the resulting gas bubbles. The bubbles than grow and move toward the liquid surface, where they burst creating small particles that are transferred into the outgoing air stream of the container.
Containers capable of using a single Laskin nozzle are available, or if highly concentrated aerosols need to be generated, systems with 3 or 6 nozzles in parallel are available (e.g. as required in EN149).
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EQUIPMENT
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CODE
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Laskin Aero 3 - 1,1L (3 nozzles version)
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AC99-121-0000SP
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Laskin Aero 1 - 0,5L (1 nozzle version)
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AC99-121-0001SP
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Laskin Aero 1S - 0,25L (1 nozzle version)
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AC99-121-0002SP
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DDS Aero (Internal Air Generator)
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AC99-120-0000SP
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DDS Aero 3 (Internal Air Generator)
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AC99-120-0040SP
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