GB/T 12459  异径三通 DN 650×650×15-Sch80STR

DN 15×15×650-Sch80S TR

DN 500×500×50-Sch20 TRS H00393e3000000055a

wn350-16 ff s

ASTM A403 Gr.WP316L-WX

WN15(A)-16 RF

LWN25-150 RF B=27=3..6/500h40S=Nf1=10 WN

SO 500(B)-10 RF Sch40=8mJ119K=140D=175ampampampampquothg20618 d=7

pl250-16ff16quotHG206