This machine is ppointed by customers, with the features of high technical content, perfect performance, stable and reliable operation. 1. It is designed in well-formed structure, applicable for pharmacy and food industry, meeting the health standard. 2. Nice appearance, unique structure, perfect seal, convenience in assembling and disassembling, maintaining and cleaning. 3. It adopts the filtering material with perfect gas permeability and high efficiency to separate the material and filter the air, so as to prevent the microorganism material powder entering into the gas pump and to avoid polluting the environment. 4. The back-blowing gas holder and back-blowing solenoid valve can complete the back blowing operation with the setting time, the stronger the back-blowing capacity, the higher back-blowing efficiency.Model KFJ-Z200 KFJ-Z400 KFJ-Z600 KFJ-Z800 Motor efficiency (kw) 1.5 2.2 4 5.5 Power supply 50HZ 380V Three-phase four wire system Back-blowing air source pressure 0.6Mpa Transmission capacity (Kg/h) 200 400 600 800 Inner dia. of soft material-conveying tube Ø38 Ø38 Ø45 Ø51 Inner dia. of soft air-take tube Ø51 Ø51 Ø64 Ø64