GB/T 12459  异径三通 DN 800×800×90-Sch60TR�ั†โ�

DN 800×800×90-Sch60 TR�ั†โ�

.WN500-150RF S=65.09mm=53Sch400-1.0�âââ�

47021 fm450-1.6/55

WN50-16RF S=3.5

WN50-16Fm

WN50-2500 RJ B=49.3 A=68.3 H=168

WN50-2500 fm Sch160

WN40(B)-300 RF

WN50-25RFS=3

WN50-300 RF Sch40=3=1b=30