ASME B16.5  法兰 SW 1 2/1"-300 RF)-10rfLv��п│п⌠п

SW1-2/1"-300 RF)-10rfLv��п│п⌠п

LWN 50-150 RF Sch2r00-1.6s=800-1

WN 80-150 RF SML1 L=32-J-1RL00-150 Rfm26F0RFrffl=

WN25-10Mb= bM C=30F S=0.6 Sch

WN 20-300T5 m SSch40SÆ72RK= BB=1

PL 300(B)-10 RFso=1000.65r

PL450-6 GfRF00-1500f230S-140S