GB/T 9124.1  法兰 DN700-PN40 WN RF Ⅰ Sch40sch8006=1-

DN700-PN40 WN RF Sch40sch8006=1-

PL200(B)-6FF S/(B)-160100rj&qmp016

WN 1"-300 RF Sch80=0rfs=1 FF0.ps

SO65-300RFs55F/m5L1Â&3-300fmsch40 b==6�0

so150(b)-16 m120-2009/b=2.5R

WN 50(B)-160 RF S=5 RF δ3/14

WN25a-63RF=F0 D3=3341M560.0h

SO200(B)-16T