Metal Pall Ring 1.material: SS316, SS304, SS304L, etc 2 size: ... is widely used in packing towers in petrochemical industry, chemical fertilizer industry and environmental protection, etc. Geometric ParametersSizes(mm ... *0.9365650010995.476*76*0.820518306997.490*90*1.022911606297.1 The above data is reference to material stainless ... 304L, 410,316, 316L. YIQUAN metal pall ring for petrochemical industry