HG/T 20592  法兰盖 BL 350-40 RF200rf-1.B)-m= k=

BL350-40rf200rf-1.B)-m= k=

pl200a-6rf)-1h-16 rSТЉ�δ1S

1 RF 400-1.0 δs=50RF S=34/�

PL32-10RF B=431600f1=3150 RF RF90E

wn65-100rfS0-RF RF R

WN80-150RF ScH805 S=RFJSch4000-2=2.6-

WN 200-900 RF S=4

PL200(B)-25FMM-16 rf200531s).5S3f=2.300ARF66h506