HG/T 20592  法兰盖 BL 25-10 FF D=T&615-2-

BL25-10 FF D=T&615-2-

WN 3"-150 RF Sch40S

SO 600(a)-25 RF

WN50-150 RF SC

PL32B-16RF

DN150/PN40/11B S=5

pl80(b)-16 rf b=4rfS rj sc

WN 32-300 RFh4R RF1000-1.200-40 L=30

so 40-300 RF sch80s

法兰WN200-150 RF B=199 C=42 G49M40f��7 S=5.00�09Rn1