1. Making the air heating surface load of 2 ~ 4 times. 2.Highly intensive, compact ... in open type, closed solution tank and circulation heating system. connecting the flange and electic heating pipe by argon arc welding . Is mainly ... , chemical, food, machinery and other industries .Main Parameters Electric water heating element with flangeMaterial:SUS304,304L,316,316L,etcPower:1000W--12000W ...