HG/T 20592  法兰盖 BL 15-100 RFทยท� RFSM0 R1RF@40@�Җҳ�

BL 15-100 RFทยท� RFSM0 R1RF@40@�Җҳ�

WN 150(B)-16 RF

wn130-150 RF00 RF Sch80S6 RF S=6/dataвӮ¬в„ўhF S

A BL 4"-2500 LTF3ch1cSc45Jch45RFSf s LT500 FF＝52@RF

WN 400(B)-16 RF S=6

wn 100-16 RjRFhF7.5 RJ 200AF@F=3.5 RF S=3.5

SO 100