◆ The frame and shutter are PVC with a thickness of 10mm and a width of 50mm ; The counterweight plate is flat steel galvanized , with a thickness of 8mm and a width of 40mm .The length is determined according to the height of the shutter ; Outer frame PVC;
◆ The width of the blade is 163 mm and the thickness is 20mm . Each fan leaf has a sealing strip made of rubber ; The handle of fan leaf is made of ABS : Material of tension spring of accessories : stainless steel;
◆ 6 shutter leaves , standard configuration ( 2 counterweights ,1 tension spring ) , opening requires 60N tension , and the stroke is 18cm
Lighting and shading adjustable blades from 0 to 105 degrees. Shading and lighting of the room can be controlled at will.
The R&D team has designed the four-layer thermal insulation technology according to the usage scenarios, which keeps the heat tightly and protects the livestock.
