HG/T 20592  法兰 PL 450-10 RFB)/6 RF)-mF

PL450A)-10RFB)/6 RF)-mF

LWN150-300 RF Sch40 H=15/M170

WN40-150 MScâ¼âs/F S=

DN200-PN40 SO OG Ⅱ(a)-16 mh00RJRF D

SO400-600FF=

AXA-4 δ=12 S1=12

BL150-150 RF��0u00a

bl600- 25rf05rf40|

so125(b)-25t040

WN20(B)-160FFF HG Ab=824 cS0=102h= c==165.7