JIS B2220: 2012 16K

Japanese Flange Standards

JIS B2220: 2012 16K
JIS 16KLTBDRILLING DATAJIS 16K
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
103/8901212163165415103/8
151/2951212163270415151/2
203/41001414203475415203/4
2511251414203690419251
321 1/413516162239100419321 1/4
401 1/214016162439105419401 1/2
50215516162440120819502
652 1/217518182646140819652 1/2
80320020202849160823803
903 1/221020203050170823903 1/2
1004225222234561858231004
1255270222234592258251255
15063052424386926012251506
20083502626407330512252008
2501043028284481380122725010
3001248030304888430162730012
35014540343452104480163335014
40016605383860114540163340016
45018675404064126605203345018
50020730424268134660203350020
55022795444470135720203955022
60024845464674147770243960024
6502689548N/A77N/A820243965026
7002896050N/A80N/A875244270028
75030102052N/A83N/A935244275030
80032108554N/A86N/A990244880032
85034113556N/A89N/A1040244885034
90036118558N/A93N/A1090284890036
100040132062N/A99N/A12102856100040

NOTES:

(1) The sizes above 600NB to 1000NB are from JIS B 2220 : 1984 edition which reaches 1200NB

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

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