automatic steam boiler safety valve 1..88% High effciency 2.Electric heating 3.Safety,easy remove ... fully automatic electrically-heated steam boiler Model: DLD6-0.4-1 Performance DLD6-0.4-1Heating power kw6Volume kg/h14Rated operating pressure ... ironing table,reaction kettle,jacket kettle,concrete curing,etc...Features 1. The boiler adopts special-purpose seamless steel pipe STBGB8163. They ...