GB/T 12459  弯头 DN 80-Ⅱ-3.590E3D14.8Sfm

DN 80-Ⅱ-3.5 90E3D14.8Sfm

SO125-150 RF b=3 rfschetM0=2001

WN80B-10RF D=190 K=150 n=4/

法兰 PL100(B)-16RFS=ch00-1.0HG/T205929ff.(6RF

BL50-300RF0/1

PL200(B)-6RFS=10b391du0

SO600-150RF100-6.450RF4(hg80A0RF Sch40S1.

WN 32(B)-16 FM Sch40S

PL250(B)-16