EN 1092  法兰 DN1000/PN10/05A FR51f=38. R�c@S

DN1000/PN10/05AFR51f=38. R�c@S

PL 500(B)-10 RF

DN200/PN16/11B Sch40S

SOP FF 10K 100A-150 RF10h40/216 R��ฝ S=�1JS Sf00-20R=��ScF@ï؟½Sc�5

PL 80(B)-16 RF

1 M 500-1.0 δs=4

WN 20-300 RF S=4

wn150-150 Rfa70-175500RJc105fhn40

DN400/PN25/