HG/T 20592  法兰 SO 500(B)-16 RFd=125 k=90

HG/T20592 SO500(B)-16 RFd=125 k=90

B WN700-150 RF S=2 S

WN 32(A)-25 RF SF0d=0.6200t206=19/a

WN450-10 RF Sch40-1B)-1K

PL125B-16RF d=1=.H1=1116

WN 80-150 RF Sch80

wn150b-100 rf s=8RF-300

WN150(B)-100G/SchRFch40SRFF1Cr BB=72F C=-140 RJ6

PL600(B)-16 RFF