... heating surface load of 2 ~ 4 times. 2.Highly intensive, compact structure 3.Argon arc welding Electric Heater Parts with ... Copper Flange Product DescriptionBy more than one heating tube welding concentrated heat ... machinery and other industries .Main Parameters Electric water heating element with flangeMaterial:SUS304,304L,316,316L,etcPower:1000W--12000W ...