GB/T 12459  异径三通 DN 300×300×90-Sch80TR

DN 90×90×300-Sch80 TR

LWN20-300 RF H=25 FM00 RF 0-1.6 rfch

DN 950-Sch40 45E3D

WN300-150 fm sch40=sf0101b

WN80-600RJSch80Sh40

PL20(B)-16RF d=50 L=11 C=1.5 &

WN 15-300 FM Sch40S

PL 25(B)-40 m0rf S=3.50 FFF=3.

WN80(B)-16 RF80/

SO150(B)-16 G15051