Catalog excerpts
Fans | Air Handling Units | Air Distribution Products | Fire Safety | Air Curtains and Heating Products | Tunnel Fans DVV-EX Roof Fan For ventilation of explosion hazardous areas
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Roof Fan for normal ventilation and smoke/heat extract Roof fans DVV-Ex are designed to exhaust potentially explosive inflammables such as gases and steam) from explosion hazardous areas. The DVV-Ex fans have impel- ers with backward-curved blades and IEC motor in explosion protection casing is manufactured from seawa- ter-resistant aluminium and the base frame from hot dip galvanised steel, with a copper inlet cone. Suitable for exhaust from zones 1 or 2, field of application II, for gases of groups A T4. The fans are classified to category 2G. Marking of the serial equipped sion...
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Technical data Model 3x400V, 50Hz Sound pressure level at 4/10 m [dB(A)] Motor insulation class F, IP55, S1 du
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Wiring diagram (only direct start possible)
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DVV-EX installation examples * Note: Accessorie available on request Accessories Details of following and electrical accessories are on-line available. FDG-EX flat roof socket SSG-EX socket silencer HSDV silencer to outlet ASSV-EX flexible connection ASFV flange VKG-EX automatic shutter SSGE-EX socket silencer * Note: Accessorie available on request FDGE-EX roof socket Impeller type (XS, XM, XL ) Polarity (4, 6, 8, rsp. two speed motor) D = three phase motor Impeller size Fan type
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