"Being used in filtration of liquids and lubricants at high pressure. Operating pressure: Max. 420 bar Operating temperature: -25~120 Setting pressure of clogging indicator: 5 bar Bypass valve cracking pressure: 6bar Filter housing material: ductile iron Working substance: mineral oil, emulsion, water-glycol, phosphate ester hydraulic oil(resin-impregnated paper only for mineral oil)"