Contra-rotating axial flow fan ZWLP-SIGMA 900/P

Contra-rotating axial flow fan ZWLP-SIGMA 900/P is designed for independent/separate ventilation of underground mining excavations (e.g. in coal mines, cooper mines). Contra-rotating axial flow fan ZWLP-SIGMA 900/P is able to operate in forcing or exhaust ventilation system, as well as with auxiliary cooling or dedusting air-ducts (i.e. combined ventilation). ZWLP-SIGMA 900/P can be applied as set of two fans mounted in series or parallel in ventilation systems mentioned above.

Contra-rotating axial flow fan ZWLP-SIGMA 900/P can be applied in underground mining methane and non-methane excavations, considered as level “a”, “b” and “c” area exposed to methane explosion hazard, as well as grade “A” and “B” of coal dust explosion hazard. Contra-rotating axial flow fan has been classified as Group I, category M2 due to its application in areas exposed to explosion hazard (according to directive 2014/34/UE).

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