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 or spring closed Insulated flap Suitable sectors Poultry Pigs Calves Other Options Unassembled Deflector 125 mm Transparent flap Telescopic flange Locking button Wind hood Light trap Integrated in daylight system Type Installation dimensions (mm) W GKK-2500 GKK-3500 GKK-5350 GKK-5450 GKK-7500 540 mm 640 mm 840 mm H 345 mm 395 mm 445 mm 1120 mm 345 mm 1040 mm 495 mm D 100 mm 1525 cm2 100 mm 2130 cm2 100 mm 3240 cm2 100 mm 3294 cm2 100 mm 4550 cm2 Net surface Capacity (m3/hr) 10 Pa 20 Pa 30 Pa 1900 2650 4050 4100 5700 2500 3500 5350 5450 7500 3200 4450 6800 6900 9550 1.3 kg 1.5 kg 2 kg 2 kg 2.2 kg 460 mm 520 mm 590 mm 460 mm 660 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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