GB/T 12459  等径三通 DN 200-4TS CSh

DN 200-4 TS CSh

WN 350(B)-16 RFN=3f1000=14F S=28�

WN 250(B)-40 FM S=14

HG/T20592 SO500-150RF8s

WN65(B)-100 MF2.50/78-p

PL20-16RF0-1S4530 RSSFRFh4 rj

SW40-150RF=5Fs=5Fry5635 d6

WN 350(B)-25 T S=10-1RF1RF0F0RFp250-m/u00c

pl150(b)-16rf b=

so15-10m