HG/T 20592  法兰 WN 32-25 RF S=2.5 rf@40@S50080 H=7 RJ-16SM00 SM00

WN32(A)-25RF S=2.5 rf@40@S50080 H=7 RJ-16SM00 SM00

PL50-25RF b=

Wn200-150RF3F-0 rf5s=165RF=

LWN 300-1500 RFBBpampampam=5

WN80-150RFf s=5Fch40)-1

DN1000-Class150 WN0S

wn 80-150 rf s=5

SO 12"-150 RFRFt;-150 FF Sch160s=

WN80-600RFsch40-2./S5

JWN 20