HG/T 20592  法兰盖 BL 500(B)-16 RF�@FF5RF50 RF3000F167.5 RJ R1040S=1.65SCH80��F0

BL 500(B)-16 RF�@FF5RF50 RF3000F167.5 RJ R1040S=1.65SCH80��F0

WN350-300RF ANS6 RFF/m0S6

SO40(B)-16M

WN400-300RF SCH3049600 RJF=33

WN 1 1/2"-150 RF Sch10S

WN450-1500RJ B=3

WN60-150 RF S

WN 20-600 RF Sch80

B WN 800-300 RF

LWN 10-900 RF ScF&;