If you use firebricks round the walls of the boiler, the heat loss. Can be considerably reduced.
炉壁采用耐火砖可大大降低热耗。
2
If you use firebricks round the walls of the boiler, the heat loss, can be considerably reduced.
炉壁采用耐火砖可大大降低热耗。
3
Square flange heaters (boiler heaters) are suitable for constrained areas, square and round flanges are made of compact elements that are easily installed by tightening a series of bolts.