Swirl diffusers, Variable swirl diffusers Swirl diffusers

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, Variable swirl diffusers Swirl diffuser OD-9 Square or round front mask Square or radial deflector arrangement Plastic deflectors Possible volume control damper in spigot Foam sealing on the flange

1 , Variable swirl diffusers Swirl diffuser OD-9 Square or round front mask Square or radial deflector arrangement Plastic deflectors Possible volume control damper in spigot Foam sealing on the flange St RAL 90 CD VENTILATING GRILLES, VENTILATING VALVES CIRCULAR DIFFUSERS, SQUARE DIFFUSERS Fastening of the plate SWIRL DIFFUSERS, VARIABLE SWIRL DIFFUSERS A M Section A-A C A x A φ. M B M A B Section B-B M A x A φ. B SLOT DIFFUSERS, ROUND DUCT DIFFUSERS AIR DISPLACEMENT UNITS SUPPLY AIR NOZZLES Fastening with four screws (xm) Central fastening (xm) Fastening with four screw is recommended by sizes and. For size, fastening with five screws is always applied (xm + xm). EXTERNAL ELEMENTS Size A M B C A ef/k A ef/r A ef efective discharge area (m²) AIR FLOW CONTROL UNITS SOUND ATTENUATORS, SOUND ATTENUATING LOUVRES

2 , Variable swirl diffusers IMP Klima Discharge direction and air jet shape Vertical discharge Air discharge - right Air discharge - left a) swirl effect b) one-way discharge c) two-way discharge Vertical discharge Air discharge - left Air discharge - right Air discharge - left Air discharge - right

3 , Variable swirl diffusers Diffuser face forms and blades arrangement OD-9/KR OD-9/RR OD-9/KK VENTILATING GRILLES, VENTILATING VALVES Size 0 0 φ 0 0 CIRCULAR DIFFUSERS, SQUARE DIFFUSERS Size 0 9 φ0 9 SWIRL DIFFUSERS, VARIABLE SWIRL DIFFUSERS Size 9 9 φ 9 9 SLOT DIFFUSERS, ROUND DUCT DIFFUSERS Size, 9 9 AIR DISPLACEMENT UNITS 9, 9, φ, 9, 9, Size 79 φ 79 AIR FLOW CONTROL UNITS SUPPLY AIR NOZZLES EXTERNAL ELEMENTS SOUND ATTENUATORS, SOUND ATTENUATING LOUVRES 7

4 , Variable swirl diffusers D D IMP Klima D D OD-9/KR, OD-9/KK. Plenum box. Spigot. Dispersing plate (only for supply). Volume control damper. Traverse (central fastening). Diffuser OD-9/KR, OD-9/KK Page 8, Page 8, Size C A H h Фd KR,KK A x A A x A KR,KK KR,KK h h KR,KK KR,KK KR,KK C x C C x C 7 C x C C x C At sizes and an adapter with 9 mm height is added to the plenum box. OD-9/RR. Plenum box. Spigot. Dispersing plate (only for supply). Volume control damper Page,Page,. Traverse (central fastening). Diffuser OD-9/RR 7. Adapter A x A A x A 9 9 A x A φ cd A x A φ cd Size ФD ФD A H h Фd RR RR RR RR h h H H RR RR Round plenum box. Plenum box. Inlet spigot. Suspension bracket. Dispersing plate (only for supply). Volume control damper. Diffuser OD-9 A x A A x A 9 9 H h h Page Page 7 H 7 Size ФD ФD H Фd Size ФD ФD H Фd RR,KR RR,KR RR,KR RR,KR RR,KR RR,KR RR,KR φ A RR,KR RR,KR φ A RR,KR RR,KR RR,KR

5 , Variable swirl diffusers ES, ES Definition of symbols Q (m³/h) x (m) H (m) (m) L (m) V L (m/s) Δt z (K) Δt L (K) Air flow Horizontal distance to the wall Room height Distance from ceiling to occupied zone Throw distance (L=+x) Air velocity at the throw distance L Temperate difference between the supply and room air Difference between the core and room air temperature Pressure drop Sound power level Air velocity at the distance H Δp t (Pa) L WA (db(a)) V (m/s) A, B (m) Distance between diffusers by length and by width L Q t z A,B V t L Q t z x L.8m V L t L

6 , Variable swirl diffusers IMP Klima Air velocity at the throw distances and temperature quotient (with ceiling effect) v (m/s) OD-9/KK size B>m = OD-9/KR, RR size B<m = OD-9/KK size A= temperature quotient v H (m/s) OD-9/KR, RR size B>m = OD-9/KK size B<m = OD-9/KR, RR size A= temperature quotient OD-9/KK size 0 B>m =0.8. OD-9/KK size 0 B<m =0.8. OD-9/KK size 0 A= temperature quotient OD-9/KR,RR size 0 B>m =0.8. OD-9/KR,RR size 0 B<m = OD-9/KR,RR size 0 A= temperature quotient.. 0..

7 , Variable swirl diffusers Air velocity at the throw distances and temperature quotient (with ceiling effect) = OD-9/KK size B>m B>m. OD-9/KR,RR size = =0.8 OD-9/KK size B<m =0.8. OD-9/KR,RR size B<m A=. A= OD-9/KK size 0.. st L (m) OD-9/KR,RR size t m t t t t m t t t VENTILATING GRILLES, VENTILATING VALVES CIRCULAR DIFFUSERS, SQUARE DIFFUSERS SWIRL DIFFUSERS, VARIABLE SWIRL DIFFUSERS SLOT DIFFUSERS, ROUND DUCT DIFFUSERS AIR DISPLACEMENT UNITS OD-9/KK size B>m =.. st A (m) 0 OD-9/KK size B<m = OD-9/KK size A= 0.. st L 0 (m). st L (m) t m t t t SUPPLY AIR NOZZLES EXTERNAL ELEMENTS AIR FLOW CONTROL UNITS SOUND ATTENUATORS, SOUND ATTENUATING LOUVRES

8 , Variable swirl diffusers IMP Klima Air velocity at the throw distances and temperature quotient (with ceiling effect) = OD-9/KR,RR size B>m 0 0 = OD-9/KR,RR size B<m =. 0 0 OD-9/KR,RR size A= temperature quotient OD-9/KK size B>m = OD-9/KK size B<m = OD-9/KK size A= temperature quotient OD-9/KR,RR size B>m = OD-9/KR,RR size B<m = OD-9/KR,RR size A= temperature quotient

9 , Variable swirl diffusers Pressure drop and sound power level Control angle: 90 ed, half ed OD-9/K size OD-9/R size OD-9/K size 0 OD-9/R size 0 VENTILATING GRILLES, VENTILATING VALVES ( ) ( ) ( ) ( ) OD-9/K size OD-9/R size ( ) ( ) ( ) ( ) ( ) 0 0 OD-9/K size OD-9/R size OD-9/K size, OD-9/R size, ( ) CIRCULAR DIFFUSERS, SQUARE DIFFUSERS SWIRL DIFFUSERS, VARIABLE SWIRL DIFFUSERS SLOT DIFFUSERS, ROUND DUCT DIFFUSERS SOUND ATTENUATORS, SOUND ATTENUATING LOUVRES AIR DISPLACEMENT UNITS SUPPLY AIR NOZZLES EXTERNAL ELEMENTS AIR FLOW CONTROL UNITS

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