A.1.5MPa~2.5MPa B.2.5MPa~3.5MPa C.3.5MPa~4.5MPa D.4.5MPa~5.5MPa
A.4.0MPa~6.0MPa B.6.0MPa~8.0Mpa C.8.0MPa~10.0MPa D.10.0MPa~12.0MPa
A.超高壓蒸汽 B.高壓蒸汽 C.中壓蒸汽 D.低壓蒸汽