HG/T 20592  法兰 WN 450(B)-16 RFt

WN 450(B)-16 RFt

SO 1 1/4"-150 RF

WN 80(A)-16 RF6B)F0M

SP-25 R@F

47021CFM800-1.0h-0F0

SO 1 1/2"-150 RF

WN 3"-300 RF Sch80S

PL 80(B)-10 RFRF. Sch40RFrf8nb00 R RFF�6p@°

WN 40-600 RF S=22��2fh

SO 250-150 FF135 S SRF0��f5 RF S=4