GB/T 12459  异径三通 DN 550×550×250-Sch40TR

DN 250×250×550-Sch40 TR

BL200B-10RFwnS665g)-6h40RFF D=117

WN 250(B)-16 rf1/0s/08405PN

20592SO500(B)-10RFM00 F5/0/5u)-1

LWN25-300RFB=272=1=6FSch-020rf004mm.0ch)mb=09 so

PL25-16 RF

A WN 40"-150 RF B=1020RF S=2700-

WN450(B)-10 T S=600-25M

BL150-4