JIS B2220: 2012 5K

Japanese Flange Standards

JIS B2220: 2012 5K
JIS 5KLTBDRILLING DATAJIS 5K
NOMINAL
PIPE
SIZE
DIAMETER
OF
FLANGE
THICKNESS
OF
FLANGE
MIN
THICKNESS
BLIND
MIN
BOSSED
LENGTH
SOL
SW
LJ
WELD
NECK
LENGTH
PITCH
CIRCLE
DIAMETER
BOLT
HOLE
DIAMETER
NUMBER
OF
BOLT
HOLES
NOMINAL
PIPE
SIZE
MMINCHCTT1LL1PCD#HMMINCH
103/87599132455412103/8
151/28099132560412151/2
203/4851010152865412203/4
251951010173075412251
321 1/41151212193390415321 1/4
401 1/21201212203495415401 1/2
50213014142438105415502
652 1/215514142739130415652 1/2
80318014143041145419803
903 1/2190141441155419903 1/2
1004200161636411658191004
1255235161640432008191255
1506265181840492308191506
17573001818N/A492608231757
20083202020N/A532808232008
22593452020N/A5430512232259
250103852222N/A61345122325010
300124302222N/A64390122330012
350144802424N/A73435122535014
400165402424N/A76495162540016
4501860524244079555162545018
5002065524244079605202550020
5502272026264281665202755022
6002477026264481715202760024
6502682526284885770242765026
7002887528304894820242770028
75030945283252100880243375030
80032995283452100930243380032
850341045283654108980243385034
9003610953036561081030243390036
100040119532406011611302833100040

NOTES:

(1) Further sizes are available up to 1500NB.

(1) Various types of weld preps are offered with this standard. Please confirm at enquiry.

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