GB/T 9124.1  法兰 DN125-PN40 BL RF Ⅱ 2.7-150 FF Sch40S

DN125-PN40 BL RF Ⅱ2.7-150 FF Sch40S

WN200-10 RF s=8.18

WN10-10 RFf c4f�0 RFF S-

pl15(b)-25fm RF=13orrf B-1.

wn200-150rjsch4003xsF0010rfF/00c0-cha6/54-55-Ff400-)-168/

bl100-25 RF

so40b)-150rfch4 HG/F b=316

WN150-150 T6=662B)S1

WN200(B)-25 RF

pl125