GB/T 9124.1  法兰 DN800-PN40 BL RF Ⅰ .3F0RJRF

DN800-PN40 BL RF.3F0RJRF

WN250(B)-63 RF S=4.5

WN250(B)-63 RF S=4

WN250(B)-63 RF S=3.5

WN250(B)-63 RF S=3

WN500-150RF D=D K

WN200(B)-63 RF S=12

WN45-600RF16

WN200(B)-63 RF S=10

WN200(B)-63 RF S=9h3. ssrcsc07.5 R5.5S=3@0F�2.9f061.0 G@RF8F0RF20-1500 S