... shaped, 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, petrochemical ... A3, 304, 304L, 316,316 L,7, Sealing material: PTFE, nitrile rubber, oil resistant asbestos rubber Accuracy of translation of ...