GB/T 12459  异径三通 DN 650×650×450-Sch20TRf1

DN 450×450×650-Sch20 TRf1

PL100B)-10RF C=18 d=158A

WN 40B)-16 RF S=3

WN8"-150 RF

WN2"-900 RF sch160

WN 150-300 RF S=101f/ms33BamLampampa400 RFc@R1ammpfRF6Sc2@RF@4

WN200-150 RF Sch40

WN 350-1500RF ãÆ

SO500(B)-10 FF50CH40.5

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