GB/T 12459  等径三通 DN 100-Ⅱ-Sch40STS0-1080 RF80F31456

DN 100-Ⅱ-Sch40S TS0-1080 RF80F31456

HG=T 20592-2009 BL32(B)-16 RFSchR38

WN25(B)-160 tRF，S=12)-40FM6

法兰WN450-16RF S=124.50.630Ta

wn 500(B)-25 RF-165-0´=500a2/u00e2/data

wn15-150rf、r3 B=81

PL40(B)-10RF HG/

PL600(B)-16 RF S040

WN 8"-300