HG/T 20592  法兰 LWN 200-63 RJ RJ S=12rj5rfrf

lwn200-63 rj RJ S=12rj5rfrf

DN 50×10-Sch80S REFB=245S=14HEEEEE SCH80

WN 1 1/2"-150 RF S=3.2@0rf62SFRJ

wn100-600rj-s26aS1=331FCr17F9FRch

BL200-40 FM S=-36 RF RFFÃ00(B)-10

wn50-150rfb=49)- d=24

WN 80-150 RF Sch80S160 TRRF0-1. sCRS6 rf1n=vF)-20

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