弯头 DN 50-Ⅱ-390ELF-6.460RF RF S=540 RF S=6F S=66FMF900-0.6900

DN 50-Ⅱ-3 90ELF-6.460RF RF S=540 RF S=6F S=66FMF900-0.6900

法兰 so150(a)-16 rf/

BL80-25 RF92S1/ B=

47021 rf700-1.0 î´=55

NB/T47023 M1100-4.017 D=149RFFs=6rf Sch4025-Srf

BL200-10 RF0FF8BB=37

WN15-16 RJPL20-7 h=172 RJ S/

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