... needed: 0.6MPa9, Power Supply: 380V/50HZ or customize it 10, M/C Weight: 1100KGs11, M/C Size: 6000*1100*1200mm ... especially suitable for Heavy-duty air filters.4, Filter paper is automatically counted, pleated, pre-heated and formed.5, The conveyor device ... made from stainless steel, assures the paper evenly & smoothly pleated.6, Computer controlling, easy operation. filter paper pleating machines