GB/T 12459  等径三通 DN 100-Ⅱ-4TS26R/40SSc WN RF S=146

DN 100-Ⅱ-4 TS26R/40SSc WN RF S=146

WN150A-40RF S=8/16Fm0(a)-6rf16

SO80-10 RF B=77.5

BL1000-16RFRF/T20592

1 CRF 500-0.6 δs=6

WN RF 10K 250A Sch80S

WN 10"-150 RF Sch40S

SO 22"-400 SM d H/F1/ rRF-54/2R6=40 rf b=26R/40SSc WN RF S=146

SOH RF