Further information for Helios Apparatebau HRFD 50/4 EX - Helios Hochl HRFD fan 50/4 EX IP54 förderl freibl 8560cbm /
HRFD 5/4 EX Axial High performance Axial Fan High Performance Fan with cylin-drical tube sleeve, double-sided flanges, directly driven, explosion-proof according to ATEX. Cylindrical tube made of galvanized sheet steel, enclosing with impeller, both sides formed flange, hole pattern to DIN 24
55th With external terminal box. Impeller with 7 blades made of thermoplastic. High efficiency, low operating noise. Vibration-free operation with dynamic balancing to grade G 6.3 2 6 VDI and DIN ISO
94thCan be used in the range of -3 degrees C to +6 ° C. Surface resistance less than
Gohm. Three-phase squirrel-cage motor, closed-end design, maintenance-free, ge-compacted, low-noise ball bearing with long-term lubrication, not adjustable. Ex-ATEX. Fan-data (default) Vol.str. Pa at 856 m3 / h Vol.str. Betr.pkt. m3 / h Max pressure increase Pa Druckerh. Betriebspkt Pa funding density
.2 Kg/m3 medium temperature 4 degree C degree angle h speed operating time
4
/ Aufgenomm.Leistung min, 56 kW Weight
7.5 kg 85 Sound Power dB (A) sound power spectrum LWa in dB (A) Freq = frequency in Hz corresponding Freq 25 5
2 4 8 LW 75 82 79 77 72 63 voltage 4 V Current consumption
, 5
Amp AC / AC D frequency 5 Hz Insulation class F Protection IP54 Temperature class explosion J Brand: Helios No.: 483 Type: HRFD 5/4 EX ______________________________________