QCHS series Centrifugal Shutter System Exhaust Fan

We are the professional producer ofgreenhouse exhaust fan. Yihe Series greenhouse exhaust fan CE certificate The shutter utilizes its automatic controlling equipments to let shutter blade automatically open and close, thus it can reach the purpose of dustproof ,waterproof and effect of perfect. The series of fans have low noise, big wind volume, low consumption of electricity, good cooling effect and so on. It can be used in the workshops of the factory for lognitudinal and transverse ventilation. This is the best cooling equipment in the factory workshop of the times. The quality of the product can reach the international standard.The following is a specific type:ModelBlademmBlade Speedround/minMotor Speedround/minCapacitym3/hPressurPaNoise DBPower WVoltageHmmW mmT mmQCHS-5005009609602300060≤70750380605605380DJF-7507509609601480060≤60750380820820400QCHS-75075063014002800065≤65370380900900400QCHS-90090061014003000070≤7075038010001000400QCHS-1000100060014003250070≤7075038011001100400QCHS-1100110046014003800073≤7075038012201220400QCHS-1250125043914004400056≤70110038013801380400QCHS-1400140043914005580060≤70150038015301530400