HG/T 20592  法兰 PL 125(B)-6 FF b1=7/0l=1 S/64

pl125(b)-6ff b1=7/0l=1 S/64

WN40(A)-25 RF b=30)-1RF20615- S

WN100-150 RF ASME B16.5 S=6.5F1800-1=41395 K=35

PL40(A)-25 RF b=250-2S

WN25-300G RF0ASCHr50450.6.BB=7061F/ RF

WN150-300RF S=10.97F0RFF30F2plSR123Frf scF4=8l60ä=23F

BL200-600 RJ)-10=4.5-1