HG/T 20615  法兰 WN 250-300 FF Sch40 D= K= N= A=RF@F00F@RJcFBR

WN250-300 FF Sch40 D= K= N= A=RF@F00F@RJcFBR

SO 1 1/2"-150 RF Sch40S

BL400-900 Rj0sR)-4016 RF92-2amrfF1603FM

47023 T 800-4.0/100-180

BL40(B)-10RF bF)RF100F0

BI 1100

PL 250(B)-25 RF

nt/@47021 C-RF1000-0.6

WN200-600RF B=193.721(B)-16

WN 1 1/2"