... Cylinder Cascade: Product Name: Cylinder Cascade;Model: 5060Materials: 30CrMo (4130X)and etc.Specifications: 50,80,120,167WL × 30,50,60pcsCategory: Refueling Station component ... About this product:60Nos.×50WL =Total 3000L in three banks: Hi-, mid-, low- pressure;Cylinder manufacturing standard: BS5045Water ...