RKE

Characteristics

The RKE dampers have been developped to balance the ventilation ductwork with high mechanical stress (operating pressure up to 8000 Pa) and are suitable for large-sized ventilation ductworks (up to 2000×2000 mm).

Their strengthness and reliability shall ensure an optimized and safe operation of air managementsystem. These dampers can also be delivered with frame and drilling specifications according to ISO 15138.

Construction :

• Frame and blades : galvanized steel
• Frame thickness : 3 mm
• Blades thickness : 2 x 1.5 mm
• Blades driven by linkage opposed blade operation in zinc-plated steel
• Seal on blades and frame : EPDM

Performances :

• Acceptable air velocity : 5000 Pa
• Upsteam/downstream airtightness : class 3 (according EN1751)
• Frame airtightness : class A (according EN1751)
• Operating temperature : – 20° à + 80°C
• Operating speed : up to 20 m/s

Option :

• Frame airtightness : Class C (selon EN 1751)
• Frame and blades : stainless steel AISI 304 L or 316 L
• Flange and drilling : according to ISO 15138
• Shafts: AISI 304L – 1.4307 or AISI 316L – 1.4404 stainless steel
• Linkage : stainless steel AISI 304 L or 316 L
• Bearings : stainless steel cage, bronze
• Seal on blades and frame : silicone seals for resistance up to 200 ° C