... Brass Tube 1.Widely use:Evaporator,Heat Exchanger,Condenser 2.ISO9001/14001/18001 3.ASTMB111/EN12451/BS287 Aluminum brass tube is in ... C 68700 is used for Evaporator,Heat Exchanger,CondenserFrom the following picture, ... :1) Strictly acc. To ASTM B111 C687002) Widely for Evaporator, Heat Exchanger , Condenser, Distiller, Oil Well Pump, Ferrules ...