GB/T 12459  异径三通 DN 400×400×40-Sch100TR

DN 40×40×400-Sch100 TR

DN65-PN16 PL RF Ⅱ n=4900m400l0F-6ch40F S=.06f=615/10RFRFSch160 SCH10S

WN 350(B)-10 RF S=4.5

3 FM1600-4.0 s=3 RF0ch500FS=3.0/6150 RF B

BL 300-63 RF

SO 150-150 RF C2H40F/

wn200(B)-40 m/9e1ftj0

WN15-1500 RF Sch80

BL200-300T=4