GB/T 29465  法兰 C-RF 1550-4.0/20δ0=

5 CRF 1550-4.020δ0=

WN100A-40M S=4/-16RFM

wn80(B)-150fMrf95 K=20

3FM400-1. d=3/DPRFRF6RrmRFr5.54

wn80(B)-150fMrf95 K=200

LJ 3"-150 SFM Sch40S4q50 R06040 rf

SO125(B)-16FMRF SF3=4.040sf

wn500(b)-25m16.3)-16RrmRFr5.54

BI 1600.0RJ21F d=4 S0ro4u0

4