Wall inlets GKK Wall Inlet Curved Flap Double Turning Point GKK Curved flap with center hinge Optimal air control due to curved flap Self-opening Insulated flap Suitable sectors Poultry Pigs Calves Other Options Multiple Unassembled Deflector 125 mm Transparent flap Telescopic flange Wind hood Light trap Integrated in daylight system Type Installation dimensions (mm) W GKK-2500 GKK-3500 GKK-5350 GKK-7500 GKK-9000 540 mm 640 mm 840 mm H 345 mm 395 mm 445 mm 1040 mm 495 mm 1120 mm 545 mm D 100 mm 100 mm 100 mm 100 mm 100 mm 1525 cm2 2130 cm2 3240 cm2 4550 cm2 5454 cm2 Net surface Capacity (m3/hr) 10 Pa 20 Pa 30 Pa 1800 2550 3900 5450 6550 2500 3500 5350 7500 9000 2900 4050 6150 8650 10350 1.3 kg 1.5 kg 2 kg 2.2 kg 2.5 kg 460 mm 520 mm 590 mm 660 mm 730 mm Pull force Stroke length Available dimensions Width Height Depth 13 200-1120 mm In steps of 1 mm 345-545 mm 100-500 mm 345/370/395/445/495/545 mm In steps of 25 mm
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