GB/T 12459  异径三通 DN 500×500×90-Sch20TR

DN 90×90×500-Sch20 TR

3 M 1800-2.5mpampampquothg20615 wn35uot80Sh40

bl450-16m8)3RFa=U

BL150(A)-25G50RF

bl20-900tf RF S=20EL0/000-1.300 RF0 LT S

AWN 700(B)-150RFfm s=10-2.5/-RF600rj6h60 s=5f|0

SO20-150RF B=1PL15JT6 Rb)- S=1920Â0FFh4027

wn80-40RF Sc