HG/T 20592  法兰 PL 200(B)-10 RF2B)FSch48016FF@4950 RF SCH80S0-0c@�s5 RJ40@S5 RJrRFS46G5 RJSc091.65

PL200(B)-10 RF2B)FSch48016FF@4950 RF SCH80S0-0c@�s5 RJ40@S5 RJrRFS46G5 RJSc091.65

WN 40-300 RF

DN 20-3.91 90EL

bl 450 -150 rf

WN 150(B)-16 RF

JWN15×40-16 RF Sch40S

DN 20-3.91 90ES

WN 100(B)-16 RF S=4

SO 40-300 RF4mpa��RF

3 FM 1900-2.5 δ0=16J5