NB/T 47023  法兰 C-RF 800-1.6

3 CRF 800-1.6

SO 400-300 RF C

SO 400-300 RF

SO65(B)-25 M

SO 150-150 RFrrf b

PL100-10 RF430b0 b

WN 150-150 RF Sch40Sch4/01

PL25B-16RF

WN 40-300 RF

bl125(a)-16 rf0 LM Ⅱ1B Sch40S2Cr17Ni12Mo2Ⅱs=15h4015��0 rf s=160é-1d-09 WN-1200c3=10=6=F Sch20