Textile Air Dispersion Products

Prihoda products are generally ducting as well as air distribution devices (or return devices) all at the same time. We offer positive pressure air dispersion systems (fabric ducting & diffusers) as well as negative pressure ducting for exhaust or returning air to the unit from the space served.

 

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1/ Air dispersion / distribution options for fabric diffusers

Flow V brought into the diffuser through any of the ends or through the entry adapter may exit in the following manners:

A - through a permeable fabric

B - through microperforation – 0.2 – 0.4 mm holes in the fabric

C - through perforation – holes with a diameter greater than 5/32” (4mm)

D - through a small nozzle

E - through a large nozzle

F - through an adapter – air is guided off into another ducting branch (Fabric or metal)

G - through the second end – air leads to another diffuser or ducting (such as back to metal duct, etc.)

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It always holds true that:   V = A + B + C + D + E + F + G (certain values of A, B, C, D, E, F, G may be zero)

 

2/ Air inlets for negative pressure ducting

Perforations are currently the only air inlet option used for negative pressure ducting.

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3/ Transporting air with fabric ducting

Ducting made from impermeable fabric or insulated ducting feeds air to the point where it needs to be distributed. We can manufacture nearly any fitting required such as a “T”, reducer, radius elbow and many other custom fittings.

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