Widely used in metallurgy,mining, chemical, plastic industry of hydraulic lubrication system. Model Note GL C X _ X / X X 1 2 3 4 561 Code Name: Pipeline Oil Cooler2 Structure of Interchanger: C—Finned Tue3 Design Number: 1—6 ( water port: nut type; Oil port: flange or nut type )4 Nominal Cooling Area: 0.4~90m25 Pressure Grades: 0.6, 1, 1.6MPa6 Connection Mode: Omission—threaded connection; F— ...