GB/T 12459  异径三通 DN 1100×1100×500-Sch120TR

DN 1100×1100×500-Sch120 TR

wn40b-100rfS=S1500-2.=5RF385

LWN 250-600 RF B=255 L1=377/

PJ/SE 125(A)-10 RF7m550)-15

WN 450(B)-100 M40snvF31¥â¥â512

PL32(B)-10 RF D=125 BB=34.5

bl150(B)-16 RF S=6F-6 未=1000 H=165cm10f61

WN80(B)-25M S=5

WN450-600 RF