25P斯派莎克蒸汽減壓閥結(jié)構(gòu)特點(diǎn)和用處:
DN | 15 | 20 | 25 | 32 | 40 | 50 |
Cv | 2.5 | 5.5 | 8.1 | 12.0 | 17.0 | 28.0 |