Fields of application Based on more than 30 years experience of engineering and fabrication of Air and Flue Gas dampers, NOVAL makes available to its customers this welded design, in particular in the following fields of application: Exhaust fumes of turbines and engines can also be used for the drying process of the Tile and Ceramic Industry as well as in the Wood Processing and Cellulose Processing Industry Energy Recuperation Plants Hot Gas Generators Thermal Reactors Industrial Boilers and Thermal Power Stations with conventional Boilers or Boiling Beds Shut off dampers and regulating dampers for Heat exchange and for Particle Separation Protection of the bag filters leading to the Grinding Stations Cement Industry: Flue gas conduits of the Rotary Kiln, circulation to the Coolers, circulation to the Grinders Iron and Steel Industry: Pipes of the Furnace and the Coke Oven Battery, Heat Exchangers, Flue Gas purification Plant, Direct Reduction Process Chemical and Petrochemical Industry: Thermal Post-Combustion, Flue Gas Purification Plants and Energy Recuperation from Flue Gas Our experience is based on more than 100 verifiable references, the range varies from chimney flaps via Primary Air Flaps to Tandem Dampers with Sealing-Air in all sizes and Flow Cross-Section, of course with all kinds of operation. Variants Body: round, rectangular or customer-specific constructions Materials: S235JRG (1.0038), P265GH (1.0425), 16Mo3 (1.5415), 13CrMo44 (1.7335), 1.4301, 1.4541, 1.4571, 1.4828 and other materials on request Sealing: soft sealing, metallic, sweeping seated, lamella sealing or with supply of sealing air Operating pressure: up to 500 mbar Temperatures: up to 650 C, higher temperatures on request Flanges and Face-to-face dimensions: according to DIN, ANSI or customer requirements Operation: manual, electric, pneumatic with or without controller Options: The dampers can be provided with additional external position switches for ON-, OFF- position as well as for an interposition The wings of the dampers can be isolated The components of the dampers are sandblasted and can be coated according to customer requirements
Distribution box DN 1800 with two sealing air dampers Diverter for ABB-Stal / Exxon Thailand
Knife gate valve Operation through stem with handwheel or actuator Knife gate valve for Cyprus Cement
Schnellschlußklappen Emergency shut-off valve By this kind of dampers the wing is held by magnetic in ON-position. In the case of power loss, magnet shouts down and the wing drops. Minimum quantity dampers for Bio power plant Hawaii, USA
Jalousie dampers By multi-wings dampers, the wings are connected to each other through lever and joint bar so, that they will be regulated by one common actuator Jalousie dampers for power plant Robert Frank
Damper with double sealing system through sealing air chamber DN 2000 bypass-damper with seal air fan for GEA Bischoff
Double damper with sealing air supply, 100% tight Double damper for VKK Standardkessel
Sweeping trim damper T-piece changeover damper, DN 500 metallic sealing
Damper DN 2000 with electric actuator for GEA Bischoff Flue gas dampers with special flanges and pneumatic actuator for Recovery Fuel Combustion Plant Frankfurt Hoechst
Dampers and regulating dampers with electric or pneumatic actuator Double wings damper