HG/T 20592  法兰盖 BL 250-6 FFF16 RF Sn=4)-10

BL250-6ffF16 RF Sn=4)-10

wn250(B)-25rfa0-1.016 RF-2.

pl25(b)-16 ff bb=61=0 d=0

Bl25-63Rf3RF0)-40b9B°WN125(B)-25 R

BL 65-150 FFF

DN40-PN250 WN RF Ⅱ S=5.5D= S=100

wn150(a)-150rf sch10S2 rf-16rfFR040 H=20R d

SO50(B)-16 RF BB=11

wn50(a)-100 rf s=

PL50