HG/T 20592  法兰 WN 125-16 RF700-20.623 RF0S151601J=100-1.0 RF Sch40u00(B)-10 RFB3h

WN125-16RF700-20.623 RF0S151601J=100-1.0 RF Sch40u00(B)-10 RFB3h

WN 600-150 RF Sch40

WN250-300FF2gch0Frf700

WN 40(B)-25 RF S=4/1 C60RF=1)- 10 Rhg sh

WN300-10RF A=325 B=

WN40-150 RF S=5C1=135219

BL 40-150 FFF L55 T

WN 3 1/2"-150 RF Sch10S d/5E3DF