HG/T 20592  法兰盖 BL 100-16 RF D=210 C=30 n=

BL 100-16 RF D=210 C=30 n=

PL 300(B)-10 FF6 GS=9L RF Ⅱ=10 c=5/16RF0=

WN 100(B)-25 G S=3.51-F-15r= D=sp

3 FM1800-1.6s=u50-)-16 R

DN 200×200×1500-Sch10 TR=600rf f1=2 H=

pl100(b)-16 rf d=885 k=840 n=2

PL200(B)-16 RF b î´1=14B=30 b=3h4

PL25(B)-40