GB/T 12459  异径三通 DN 750×750×350-Sch30TR-150rf

DN 750×750×350-Sch30 TR-150rf

bl65-10rfà RF356 S

BL40-300 RF

WN 6"-300 RF Sch40S

pl15-16rj09sch40

PL1125B-16RFrf8nb

WN 150(B)-63 M S=5.5

LWN2"-300 RF B=50.8,Y=205

PL40(B)-16RF

WN 150(B)-63 T S=5.5 ⅡRF B=12 O=1035× sch60erv06 l=.650015