GB/T 12459  等径三通 DN 80-Sch40TSRJ&ampampamp

DN 80-Sch40 TSRJ&ampampamp

BI 325 S RFF=6 S=6RFRF200050 RF

wn20(b)-100mfh40rf5ch40B. rf s/ch401

WN80(B)-16rf06.4 B=20/FH2R16

LWN25-150RF B=2520

If100-160RF 7.500 H=

WN350-600RF/Sch80-6050500ff c=65 h=1

WN 25-150 RF00rf sF7/1F.6 FM S=60S63

WN 400(