HG/T 20592  法兰盖 BL 100-100 FF0-150

WN 250-25 RF Sch40Suot36/F350eRF0-10F S=1

BL 100-100 FF0-150

WN 89-16RF4rf09F0F

WN 150-300 FM B190 RF S=5.6n3CM800-4)-16=125-2500RJ00.5

BL 200-150 RF¨RF6 RF0-1.6=48-110RFRJc

WN65-1500 RJ Sch80S060f M RFch RF b

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