HG/T 20592  法兰盖 BL 80-16 RFM-632S2S=5=916250 FF5RF2@F9@R@ RF S=3.5000O0@h40S54F �

BL80-16 RFM-632S2S=5=916250 FF5RF2@F9@R@ RF S=3.5000O0@h40S54F �

BL40-900 RF Sch40

pl65-16rf

BL FF 10K 100A

SO 300-150 RF

DN65-PN160 WN F Φ76x9.5

PL25()-40RF

WN25(B)-100 RF S=7

WN 25-300 RFSch)

法兰WN25-300 RF sch40sRFam@F.5 R7.5 RJF��orRF-5