... steam heating and electric heating. 3. According to control type, it can be divided into manual ... control, semiautomatic control and automatic control. Structure of Automtic The pot includes body, lid, swivels, tracks, seals, rollers, locking wedge, steam ... pressure (Mpa)0.15Work medium (Mpa)Water,steam,air compressionMain element materialA3Jointing seal coefficient0.7Corrosive degree1Device ...