HG/T 20592  法兰 SO 40(B)-25 RF0 RF S=105

SO40(B)-25RF0 RF S=105

WN 2"-300 RF S=S=5.5

WN40-2500 RJF�fm616 FF C15F0sF RF RF

WN200B-16RFS=L0SF250 rfFS=4p50@40@S5 RJrvlet0m0 RF.6 δ0 H=108

DN150-PN25 WN RF Ⅱ S=3.5

bl500-16 rf.5F22 bb6L1

SO65-16 RF RJ S=5 SFⅡ)S

WN400-150RFSch40S mDS50