GB/T 12459  异径三通 DN 125×125×20-5TR

DN 20×20×125-5 TR

A2000RF B=5

A 1500RF sch10s4-15

BL500-25M/00-

BL MF-F 20K 20A-1.6

WN250(B)-16 RF300-

LWN 4"-2500 RJ BgRF-R1/6.1a5

SO500(B)-16RF

PL150-10 RF

WN 100-300 RF@-1.0 RF S=1400 RJ wn25F=5 f2=43 TF3gRF RFM Sc16RF=120 FF@R RF=12 RFFM