HG/T 20592  法兰 PL 200(B)-6 RF/-400 ST Sch40 h6.L500592B)-16RFm)=260(B)-25

PL200(B)-6RF/-400 ST Sch40 h6.L500592B)-16RFm)=260(B)-25

SO 125-300 RF25.2500-0.6ârf b=810 m-2012RF S=8CH80S/65sfd

b wn900-150 rf a

DN25-PN16 SO RF Ⅱ005RfLF´s=10F=308c3rf

SO 150-300 RF

bl15(b)-40fm943m

PL100(B)-16 RF�Š

bl500-150rf=0-fM8.1043c