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Welding coolant systems are devices that facilitate efficient heat transfer to cool down welding equipment. Using hoses, they circulate a cooling solution through the welding apparatus and back to the radiator where heat is dissipated before cycling back to cool various welding components. This type of cooling system uses a water coolant solution commonly of ethylene glycol or propylene glycol, that has a high boiling point with anti-scale and anti-rust properties to protect metallic internal parts from damage. Using water coolant systems protect welding equipment from immense heat that may affect its durability as well as to protect the user from heat-related safety hazards.