GB/T 12459  异径三通 DN 450×450×20-Sch100TR

DN 450×450×20-Sch100 TR

pl450-25ff‚â 2300-f/

WN80(B)-16 RF60005lCH404tRF25.63-1.0/550 Sch8040RF63

BI 450=200ff d=0(B)-16 RF b=3B=1

TPB-140.0

WN125-40RF835 L=345E3

pL 500(B)-10 RF

DN100-PN10 PL RF ⅡN160-B0F50-00-6.0RF100

PL500-40 M=1866 B

PL50