GB/T 12459  异径三通 DN 1500×1500×600-Sch40STR

DN 600×600×1500-Sch40S TR

wn 500-16 rf=166 RFF 20

WN200(A)-16RF S=

LWN20-300 RF Sch40 H=232

pl65(b)-25 fmch40s

WN25-40T

lwn15-900fm

法兰 PL500(B)-6 FF

WN80-300fm0401100-3f(-

PL25(A)-16 RF95/u00e5d=15PL/P-A RF Ⅱ S=68c@&F10 S=8F-00 Ra-0c3/u00