GB/T 12459  异径三通 DN 1150×1150×250-Sch100TR

DN 250×250×1150-Sch100 TR

WN32(B)-25 FM S4 S=6

LWN200-300RFB255BL200Fh1600/106Fpampam

WN300-150 RF S=12 δ0 RJRFR15rf00-12.5F sc53/9

WN 15-150 FM Sch10S2t/jmx-co R)01000 s=620628RF=27 S=4R

PL32(B)-16 FF BB=42 C=16-1.0/30S

WN450-900 RJ S=18co5

LWN4