GB/T 29465  法兰 M 2800-1.

5 M 2800-1.

sw300-150rf

PL 50(B)-10 RF D=202 B= =135 B=122

DN900/PN10/01AF B=1551-300RFRF II217184.

wn25(b)-150 rf b=01æ—&am

3 RF 1600-4.020�05 k=3556f s0 RF BS=8FH.

PL 300(B)-16 RF)-f54-110S16/4/140-245sch= RF)-16 RF S=5RF

WN 100-300 RF Sch80

S