GB/T 12459  异径三通 DN 1200×1200×1100-Sch80STR

DN 1100×1100×1200-Sch80S TR

LWN400-150 RF50-1B)-16ch200sFF.0-65=53 C=1650-

WN500(B)-16 M S=1

WN 300-300 RF Sch40S1mp

SO 150(B)-10 FF δ1=8-16 RF b=0S=

BL350-10fm5rfs=3.572.GB/data/coL50-16100 RJ S=9.15sc

BL50(B)-16 RFS K=920 C=20 RF S=/011aF S

PL 4