... energy saving, and automatic airtight filtering. It is widely used in chemical, petroleum, food, pharmaceutical and other industries. ... processed of rapeseed,peanut,soybean,sesame and sunflowerseed and other oil plants. Characteristic1. The fully closed filtering, no leakage, without ... be a filtration system of large capacity, large-area7.Used special stainless steel sieves, long lifetime and high ...