弯头 DN 200-SCh8090ELm S=10 s=/ hg/40

DN200-SCh80-90ELm S=10 s=/ hg/40

wn900-16m-16

WN50-25RF A

LWN 40-150 RF10 RF

pl600-10rf b1=635S/22Cr17Ni5/72b

PL150(B)-16 FF

LF/SE 200-300 RF Sch80S

HG 20592-2009 pl450(b)-10 rf d=485 L=25 n=1

BL 15-150 RFF500-1.6S=2.515

pl350(b)-10 rf0-25RF d=266

WN