The circular duct solutions
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WSG External louvres Weatherproof louvres of aluminium or polymer. VK/EVK Shutters Gravity, manually or electrically operated. RSK Backdraught shutter Prevents entry of cold outside air when fan is switched off thus preventing draughts and reducing energy losses. LFBR In-line air filter box Filter mat easy to replace. Installation in any position. Standard ducting Available from your stockist in all sizes to match the Helios components. Centrifugal in-line fans RR and RRK The popular centrifugal in-line fan range with a high pressure characteristic. Available in corrosion resistant galvanised steel or polymers. High pressure in-line mixed-flow fans HRF: for high air flows against lower resistances. RADAX®-VAR: for high pressure at high air flows. BM Pipe clamp connector To reduce vibration transmission between fan and ducting. Also suitable as mounting bracket for fan. Heater batteries for improved room comfort. . WHR water heater . EHR-R electric heater DDS Differential pressure switch Complete kit to monitor pressure drop across filters or ventilation systems. SB Silentbox The new, virtually noiseless option. Powerful centrifugal fans with high pressure characteristics. FSD Flexible circular attenuator for quiet ventilation. The flexible body makes installation so easy. EHS Electronic temperature controller for electric heater batteries. Controls heater output against required duct or room temperature. . . The circular duct solutions 146

148 Centrifugal in-line and rectangular fans General information Specification The RADAX® rectangular and circular fans combine the advantages of axial fans of straight in-line air flow and therefore simple and cost effective installation with the high pressure characteristic of a centrifugal fan. There are many advantages of this range: – Very compact in design. – Quick installation. – Cost effective installation. – Low noise levels. – High pressure capability. – Fully speed controllable. Ranges – Overview Circular ducted fans Type RR.. A popular range which is cost effective. Centrifugal...

150 The circular modular component system Ready to insert for the circular ducting system Duct diameter in mm ø 100 ø 125 ø 160 ø 180 ø 200 ø 250 ø 315 ø 355 ø 400 Pages RR, galvanised steel Type RR 100 A RR 125 C RR 160 B RR 200 A RR 250 A RR 315 B 152-163 Ref. No. 5653 5655 5656 5658 5652 5661 Type RR 100 C RR 160 C RR 200 B RR 250 C RR 315 C 152-163 Ref. No. 5654 5657 5659 5660 5920 RRK from polymer RRK 100 RRK 125 RRK 160 RRK 200 RRK 250 RRK 315 152-163 Ref. No. 5973 5974 5976 5977 5978 5979 Ref. No. 5889 5890 5891 RRK Ex, explosion proof RRK 180 Ex RRK 200 Ex RRK 250 Ex 151 Ref. No....

151 Explosion proof fans 230V / 1 ph. InLineVent® RRK E Exe II Designed to ventilate small rooms and working places in commercial and industrial applications where a hazardous atmosphere can occur. Suitable for in-line duct installation. Approved for installation in zones 1, 2 to IEC 60079-10. Specially designed for ventilating chemical and pharmaceutical laboratories, warehouses. dyeworks, batteryrooms etc. E Exe II Secial features Explosionproof E Exe II, increased safety to EN50014/ 50019, VDE 0170/0171 and VDMA 24169. PTB certificates of conformity (Physical-Technical Bundesanstalt) and...

Technical information Type RR 100 A RR 100 C RRK 100 152 100 mm ø Centrifugal in-line fan InLineVent® RR and RRK For medium to smaller air flow volumes against high resistances. Specially designed to be installed in-line in circular ducting. High pressure characteristic to overcome resistances of bends, filters etc. Universal in application for domestic, commercial and industrial purposes. Special features Compact design to minimise space and cost using in-line installation. Intake and exhaust spigot fit standard duct sizes. 100% speed controllable to achieve any required duty. Installation...

153 Centrifugal in-line fan 100 mm ø InLineVent® RR and RRK Accessories for RR and RRK Pipe clamp connectors BM 100 Ref. No. 5075 A quick-fix method for connecting fans to ducting, reducing vibration transmission. When installing leave a little gap between fan and ducting. Supplied in pairs. Mounting foot for RR MK 4 Ref. No. 5824 Mounting foot for RRK MK 1 Ref. No. 5821 To fix fan on wall, floor or ceiling; made from galvanised steel. Backdraught shutter RSKK 100 Ref. No. 5106 Air stream operated, polymer. Gravity shutter VK 100 Ref. No. 0757 Air stream operated, polymer, light-grey. Fixed...

154 125 mm ø Centrifugal in-line fan InLineVent® RR, RRK and SilentBox® For medium to smaller air flow volumes against high resistances. Specially designed to be installed in-line in circular ducting. High pressure characteristic to overcome resistances of bends, filters etc. Universal in application for domestic, commercial and industrial purposes. Special features Compact design to minimise space and cost using in-line installation. Intake and exhaust spigot fit into standard duct sizes. 100% speed controllable to achieve any required duty. Installation in any position. Extensive...

155 Centrifugal in-line fan 125 mm ø InLineVent® RR, RRK and SilentBox® Accessories for RR and RRK Pipe clamp connectors BM 125 Ref. No. 5076 A quick-fix method for connecting fans to ducting, reducing vibration transmission. When installing leave a little gap between fan and ducting. Supplied in pairs. Mounting feet for RR MK 4 Ref. No. 5824 Mounting feet for RRK MK 1 Ref. No. 5821 To fix fan on wall, floor or ceiling; made from galvanised steel. Accessories for all models Back draught shutter RSKK 125 Ref. No. 5107 Air stream operated, polymer. Gravity shutter VK 125 Ref. No. 0857 Air...

156 150/160 mm ø Centrifugal in-line fan InLineVent® RR, RRK and SilentBox® For medium to smaller air flow volumes against high resistances. Specially designed to be installed in-line in circular ducting. High pressure characteristic to overcome resistances of bends, filters etc. Universal in application for domestic, commercial and industrial purposes. Special features Compact design to minimise space and cost using in-line installation. Intake and exhaust spigot fit into standard duct sizes. 100% speed controllable to achieve any required duty. Installation in any position. Extensive...