GB/T 12459  弯头 DN 32-Ⅱ-490ELR48rfFHG/Ms=325-150rf1.F RF300Ff-2.5F

DN 32-Ⅱ-4 90ELR48rfFHG/Ms=325-150rf1.F RF300Ff-2.5F

SO 150-150 RF-124 Sch40S1001.041(a)-10r0RF0 6 R5G/ca/

wn 80-150 RF sch8060fo

TPB-2 δ=5 S1=8

pl50(b)-6fF350b-1

WN 6"-150 RF Sch40S�

A 58002.535.01

BL20-63FF=334404-

47023rf1500-0.6�

WN