SB 25 C SilentBox duct fan,
centrifugal duct fan with PH-geräuschge dämpftem housing. Housing made ​​of galvanized sheet steel with round hose connector on standard tubes-ordinated. Sound-absorbing perforated steel inner liner, with 5 mm thick mineral fiber board provided. Removable lid. Fan housing and space-spiral freely accessible. Motor and impeller pulled out. High-drum impeller with forward curved blades made ​​from pre-galvanized steel plate, balancing quality G 6.3 according to VDI 2 6th Single-phase AC external rotor motor enclosed design, maintenance-free, speed controllable by voltage reduction, built-in thermal contacts, sealed, low noise ball bearing with long life oil. Fan-data (default) Vol.str. Pa at 955 m3 / h Vol.str. Betr.pkt. m3 / h Max pressure 46 Pa increase Druckerh. Betriebspkt Pa funding density
.2 Kg/m3 Medium Temperature 35 degree C degree angle operating time 2 h speed
2
/ Min aufgenomm.Leistung, 255 kW Weight 2
kg of sound power 63 dB (A) sound power spectrum LWa in dB (A) Freq = corresponding frequency in Hz Freq 25 5
2 4 8 56 55 LW 5 47 46 44 Voltage 23 Volts Current Consumption
,
3 Amp AC / AC W frequency 5 Hz Insulation class B Protection class IP 44 Explosion protection class N Temperature Brand: Helios No.: 95
2 Type: SB 25 C ______________________________________