exhaust fan

1 Mirror designed Stainless steel balde,with big air volume,never distortion and broken, the angle of the blades is patented designed2 Galvanized steel sheet ,the layer of galvanizations more than 180 g/m2,one-off moled frame,3 experiment of homeostasis make the blade work smoothly,nearly no noise and steadily output of air4 Belt pulley are aluminium magnesium alloy injection moulded ,light and high-strength5 Adopt auto belt-tensioner which can adjust the loose or tighten of belt and never drop6 Imported france bearing with long service lifeModel specificationsblade mmBlades rotational speed rpmMotor rotational speed rpmAir flow m3/hTotal pressureNoise decibelsImport powerRated voltageHigh mmWidth mmThick mmJLF(a)-780(30in)7109609602300075≤70550380780780420JLF(a)-830(32in)72066014002200060≤60550380830830400JLF(a)-900(35in)75063014002800065≤65370380900900400JLF(a)-1000(43in)90061014003000070≤7075038010001000400JLF(a)-1100(39in)100060014003250070≤7075038011001100400JLF(a)-1220(48in)110046014003800073≤7075038012201200400JLF(a)-1380(54in)125043914004400056≤70110038013801380400JLF(a)-1530(60in)140032514005580060≤70150038015301530400