... , T-filter filtration area. Accuracy of the filter in the filter are a best accuracy of the filter, the filter structure is ... pipe welding systemFiltration precision :0.22-1 .0 mmFilters, filter: 304A suitable material:weak corrosive materials in a chemical, ... liquid methane, ammonia, liquid oxygen and a variety of refrigerant;d, light food, pharmaceutical production, health requirements of materials, ...