PVC Plastic Pipe Production Line 
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Screw diameter 65/132 Screw quantity 2 Screw length diameter ratio 22F1 Output: 280Kg/h Material of screw and barrel 38CrMoAIA high quality allay steel, under nitrogen treatment Depth of nitration layer of screw 0.4-0.6mm Hardness HV>740 Depth of nitration layer of barrel 0.5-0.7mm Hardness HV> 940 Barrel heating 4 sections heating and aluminized heating circle Barrel cooling wind cooling with 4 blower fans which power capacity is 4 sets~0.25kw with stainless steel fan housing Barrel exhaust vacuum exhaust. Vacuum pump power is 2.2kw Temperature-adjustment unit of screw core equipped with 1 hydraulic station and 1 oil way circulatory system Feeding unit 1).feeding electrical motor, quantity: 1 2).power capacity is 1.1kw and frequency control equipped with Fuji frequency converter Reduction gearbox and distribution box 1).material of gear is 20CrMoTi, 2).hard tooth surface and under tooth grinding and nitrogen treatment Drive power 37kw electrical motor and frequency control equipped with Fuji frequency converter Measurement equipment Melt meter pump Charging machine Automatic power charging machine
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