GTH

Rectangular double deflection grille

GTH is a rectangular grille for supply air. It is designed for wall mounting. The grille has both horizontal and vertical air deflectors which can be easily adjusted on site so that the throw and spread pattern are correct for: over- or under-temperature conditioning, location of the diffuser, furniture in the room and obstructions to the air flow. In order to regulate or measure the throw, GTH must be used together with the commissioning box TRG.

  • For supply air
  • Adjustable air deflector
  • Cleanable
  • Installed using mounting frames FHB / FHA or commissioning box TRG
  • Standard colour White RAL 9003
    • 5 alternative standard colours
    • Other colours upon request
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Category

Description

Technical specifications

AIR FLOW – SOUND PRESSURE ROOM (Lp10A) *)

GTH l/s
Size 25 dB(A) 30 dB(A) 35 dB(A)
200-100 28 44 50
300-100 42 48 78
400-100 40 52 90
500-100 65 78 125
300-150 60 70 130
400-150 95 115 150
500-150 93 110 155
400-200 98 120 180
500-200 145 170 250
600-200 145 225 350

Data in the table applies to supply air for the combination GTH + TRG at a total pressure drop of 50 Pa.

*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2 room absorption area.

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