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KS, JIS STANDARD FLANGES
SLIP-ON JIS 5KG/CM2JIS 10KG/CM2JIS 16KG/CM2JIS 20KG/CM2JIS 30KG/CM2
WELDING NECK JIS 10KG/CM2JIS 20KG/CM2JIS 30KG/CM2JIS 40KG/CM2
TOLERANCES FOR JIS FLANGES (JIS B2203)FLANGES FACINGJIS MATERLAL SPECIFICATION
81
NominalBore ofFlange
(10)15
(20)25
(32)40506580
(90)100125150
(175)200225250300350400450500550600650700750800850900
1000*(1100)*1200*1350*1500
17.321.727.234.042.748.660.576.389.1
101.6114.3139.8165.2190.7216.3241.8267.4318.5355.6406.4457.2508.0558.8609.6660.4711.2762.0812.8863.6914.4
1016.01117.61219.21371.61524.0
17.822.227.734.543.249.161.177.190.0
102.6115.4141.2166.6192.1218.0243.7269.5321.0358.1409.0460.0511.0562.0613.0664.0715.0766.0817.0868.0919.0
1021.01123.01225.0
--
75808595
115120130155180190200235265300320345385430480540605655720770825875945995
1045109511951305142015751730
99
101012121414141416161818202022222424242426262626282828303232343436
--------------------
4040424448485252545660----
--------------------
495546597648702751802854904956
1058----
--------------------
500552603654708758810862912964
1066----
--------------------55555555555----
11112222222222222333333333333333333
39444959707585
110121131141176206232252277317360403463523573630680735785840890940990
10901200130514601615
556065759095
105130145155165200230260280305345390435495555605665715770820880930980
103011301240135015051660
444444444488888
1212121216162020202424242424242828323236
1212121215151515191919191923232323232525252527272727333333333333333333
M10M10M10M10M12M12M12M12M16M16M16M16M16M20M20M20M20M20M22M22M22M22M24M24M24M24M30M30M30M30M30M30M30M30M30
5555666666777
7.58.59
101012121212121212121213131314----
2.5333333444445566667777777778889----
0.270.300.370.450.780.831.071.491.992.092.393.234.415.516.336.649.45
10.3014.0016.9024.8026.9034.1037.5042.8045.4057.4060.8063.5075.3088.50
----
OutsideDiam. ofSteelPipe
OutsideDiam. ofFlangedo
OutsideDiam. ofFlangeD
t T
Diam. of Hub
a b
Radiusr
Radiusface
f
Diam. ofRadiusface
g
Diam. ofBoltCircle
C
Numberof BoltHoles
HoleDiamh
NominalBoltSize W1 W2
Weight(kg)
Sectional Dimensions of Flange Dia. of Bolt Welding
SLIP-ON FLANGES 5kg/㎠
JIS B 2220-1984 (KS B 1503-1999)5kg/㎠ SLIP-ON WELDING STEEL PIPE FLANGES
NOMINAL SIZE 10~400mm NOMINAL SIZE 450~1000mm
Unit:mm
(1) Flanges of parenthexized nominal diameter had better not be used.(2) The facing of flanges shall conform to KS B1519 (JIS B2202) 1984.(3) Norminal diameter over 1000 is manufacturer’s standard(*)
Notes :
82
NominalBore ofFlange
101520253240506580
(90)100125150
(175)200
(225)250300350400450500550600650700750800
(850)900
1000*(1100)*1200*1350*1500
17.321.727.234.042.748.660.576.389.1
101.6114.3139.8165.2190.7216.3241.8267.4318.5355.6406.4457.2508.0558.8609.6660.4711.2762.0812.8863.6914.4
1016.01117.61219.21371.61524.0
17.822.227.734.543.249.161.177.190.0
102.6115.4141.2166.6192.1218.0243.7269.5321.0358.1409.0460.0511.0562.0613.0664.0715.0766.0817.0868.0919.0
1021.01123.01225.0
--
9095
100125135140155175185195210250280305330350400445490560620675745795845905970
10201070112012351345146516301795
1212141416161618181818202222222224242628303032323434363636384042444850
----------------
363842444848525256586264667074----
----------------
288340380436496548604656706762816868920971
1073----
----------------
292346386442502554610662712770824876928979
1081----
----------------666666666666666----
1111222222222222233333333333333333-
46515667768196
116126136151182212237262282324368413475530585640690740800855905955
100511101220132514801635
65707590
100105120140150160175210240265290310355400445510565620680730780840900950
1000105011601270138015401700
4444444488888
12121212161616202020242424242828282828323640
1515151919191919191919232323232325252527272723333333333333333939394545
M12M12M12M16M16M16M16M16M16M16M16M20M20M20M20M20M22M22M22M24M24M24M30M30M30M30M30M30M30M30M36M36M36M42M42
5555666
6.56.56.57
7.58999
101012121414151616171819192222----
2.53333334444455666677889
1010101112121414----
0.250.570.731.131.481.561.882.602.612.763.144.776.346.827.537.74
12.7013.8018.2025.2033.0037.6049.7052.6060.6070.6085.8091.2098.60109.00133.00
----
OutsideDiam. ofSteelPipe
OutsideDiam. ofFlangedo
OutsideDiam. ofFlangeD
t T
Diam. of Hub
a b
Radiusr
Radiusface
f
Diam. ofRadiusface
g
Diam. ofBoltCircle
C
Numberof BoltHoles
HoleDiamh
NominalBoltSize
W1 W2
ApproxWeight(kg)
Sectional Dimensions of Flange Dia. of Bolt WeldLength
(Reference)
SLIP-ON FLANGES 10kg/㎠
JIS B 2220-1984 (KS B 1503-1999)10kg/㎠ SLIP-ON WELDING STEEL PIPE FLANGES
NOMINAL SIZE 10~225mm NOMINAL SIZE 250~1000mm
Unit:mm
(1) Flanges of parenthexized nominal diameter had better not be used.(2) The facing of flanges shall conform to KS B1519 (JIS B2202) 1984.(3) Norminal diameter over 1000 is manufacturer’s standard( )
Notes :
83
NominalBore ofFlange
OutsideDiam. ofSteelPipe
OutsideDiam. ofFlange
do
OutsideDiam. ofFlange
D
t T
Diam. of Hub
a b
Radiusr
Radiusface
f
Diam. ofRadiusface
g
Diam. ofBoltCircle
C
Numberof BoltHoles
HoleDiamh
NuminalBoltSize
ApproxWeight(kg)
Sectional Dimensions of Flange Bolt Hole
10152025324050658090
100125150200250300350400450500550600650700750800850900
100011001200
17.521.727.234.042.748.660.576.389.1
101.6114.3139.8165.2216.3267.4318.5355.6406.4457.2508.0558.8609.6660.4711.2762.0812.6863.6914.4
1016.01117.61219.2
17.822.227.734.543.249.161.277.190.0
102.6115.4141.2166.6218.0269.5321.0358.1409.0460.0511.0562.0613.0664.0715.0766.0817.0868.0919.0
1021.01123.01225.0
9095
100125135140155175200210225270305350430480540605675730795845895960
1020108511351185132014201530
12121414161616182020222224262830343840424446485052545658626670
1616202022242426283034343840444852606468707477808386899399
105112
2630384656627694
108120134164196244304354398446504558612666704754806865916968
107011801282
2832425060668098
112124138170202252312364408456514568622676726776832885936986
109812001302
44445555666666688
1010101010101010101010121212
1111222222222223333333555555555
46515667768196
116132145160195230275345395440495560615670720770820880930980980
114012401350
65707590
100105120140160170185225260305380430480540605660720770820875935990990
1040121013101420
444444888888
12121216161620202024242424242424283232
15151519191919192323232525252727333333333939394242484848565656
M12M12M12M16M16M16M16M16M20M20M20M22M22M22M24M24
M30x3M30x3M30x3M30x3M36x3M36x3M36x3M39x3M39x3M45x3M45x3M45x3M52x3M52x3M52x3
0.520.580.751.161.531.641.832.583.663.954.947.009.62
12.1020.0024.4035.0046.2061.9073.2588.1098.80
101.00120.00141.00161.00177.00191.00230.00289.00348.00
SLIP-ON FLANGES 16kg/㎠
JIS B 2220-1984 (KS B 1503-1999)16kg/㎠ SLIP-ON WELDING STEEL PIPE FLANGES
NOMINAL SIZE 10~600mm NOMINAL SIZE 650~1200mm
Unit:mm
(1) Flanges of parenthexized nominal diameter had better not be used.(2) For dimensional tolerance refer to JIS B2203(3) In principle material shall be SS41 specified in JIS G3101 SF40(or SF45) specified in JIS G3201 or S20C (or S25C) specified in JIS
G4051, and shall be fit for weiding.
Notes :
84
NominalDiam. of Flange
OutsideDiam.ofSteel pipe
10
15
20
25
32
40
50
65
80
90
100
125
150
200
250
300
350
400
450
500
550
600
17.3
21.7
27.2
34.0
42.7
48.6
60.5
76.3
89.1
101.6
114.3
139.8
165.2
216.3
267.4
318.5
355.6
406.4
457.2
508.0
558.8
609.6
OutsideDiam.ofFlange
d0
17.8
22.2
27.7
34.5
43.2
49.1
61.1
77.1
90.0
102.6
115.4
141.2
166.6
218.0
269.5
321.0
358.1
409.0
460.0
511.0
562.0
613.0
OutsideDiam.ofFlange
D
90
95
100
125
135
140
155
175
200
210
225
270
305
350
430
480
540
605
675
730
795
845
14
14
16
16
18
18
18
20
22
24
24
26
28
30
34
36
40
46
48
50
52
54
t
20
20
22
24
26
26
26
30
34
36
36
40
42
46
52
56
62
70
78
84
90
96
30
34
40
48
56
62
76
100
113
126
138
166
196
244
304
354
398
446
504
558
612
666
32
36
42
50
60
66
80
104
117
130
142
172
202
252
312
364
408
456
514
568
622
676
4
4
4
4
5
5
5
5
6
6
6
6
6
6
6
8
8
10
10
10
10
10
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
46
51
56
67
76
81
96
116
132
145
160
195
230
275
345
395
440
495
560
615
670
720
T
Diam. of Hub
a b
Radi-us
r
Rais-edFacef
Diam.ofRadiusface
g
-
-
-
-
-
-
-
65.9
78.1
90.2
102.3
126.6
151.0
199.9
248.8
297.9
333.4
381.0
431.8
482.6
533.4
584.2
d
65
70
75
90
100
105
120
140
160
170
185
225
260
305
380
430
480
540
605
660
720
770
BoltCircleDiamC
4
4
4
4
4
4
8
8
8
8
8
8
12
12
12
16
16
16
20
20
20
24
Numb-erof BoltHoles
15
15
15
19
19
19
19
19
23
23
23
25
25
25
27
27
33
33
33
33
39
39
HoleDiam
h
M12
M12
M12
M16
M16
M16
M16
M16
M20
M20
M20
M22
M22
M22
M24
M24
M30x3
M30x3
M30x3
M30x3
M30x3
M30x3
NuminalBolt Size
27
31
37
44
52
58
70
94
107
120
132
160
186
237
290
345
384
437
490
544
595
646
S1
4
4
4
4
4
4
4
6
6
6
6
7
8
9
10
11
12
13
15
16
16
18
m
27
31
37
44
53
59
72
85
-
-
-
-
-
-
-
-
-
-
-
-
-
-
S2
4.0
4.0
4.0
4.5
5.0
5.5
5.5
6.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
n
-
-
-
-
-
-
-
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
0.59
0.65
0.81
1.29
1.60
1.69
1.89
2.60
3.93
4.56
5.13
8.30
10.60
13.30
23.40
27.70
39.20
54.20
71.70
86.20
105.00
119.00
I
ApproxWeight(kg)
Sectional Dimensions of Flange Bolt Hole Reference
SLIP-ON FLANGES 20kg/㎠
JIS B 2220-1984 (KS B 1503-1999)20kg/㎠ SLIP-ON WELDING STEEL PIPE FLANGES
TYPE ANOMINAL SIZE 10~50mm
TYPE BNOMINAL SIZE 10~50mm
TYPE CNOMINAL SIZE 65~600mm
(1) Flanges of parenthexized nominal diameter had better not be used.(2) The Flange gasket surface is based on large raised facing specified in JIS B2202.(3) Sized is an example of pipe thickness for schedule 40 of JIS G3454 and JIS 3456. But Customers can order for other size as occasion
demand.(4) For dim ensional tolorance, refer to JIS B2203.(5) In principle material shall be SS41 specified in JIS G3101, SF40(or SF45) specified in JIS G3201 or S20C(or S25C) specified in JIS G4051
Material shall be fit for welding.(6) The surface finish is the case of forging(▽: other cases)
Notes :
Unit:mm
85
NominalDiam. of Flange
OutsideDiam.ofSteel pipe
10
15
20
25
32
40
50
65
80
(90)
100
125
150
200
250
300
350
400
17.3
21.7
27.2
34.0
42.7
48.6
60.5
76.3
89.1
101.6
114.3
139.8
165.2
216.3
267.4
318.5
355.6
406.4
OutsideDiam.ofFlange
d0
17.8
22.2
27.7
34.5
43.2
49.1
61.1
77.1
90.0
102.6
115.4
141.2
166.6
218.0
269.5
321.0
358.1
409.0
OutsideDiam.ofFlange
D
110
115
120
130
140
160
165
200
210
230
240
275
325
370
450
515
560
630
16
18
18
20
22
22
22
26
28
30
32
36
38
42
48
52
54
60
t
24
26
26
30
32
34
36
40
44
46
48
54
58
64
72
78
84
92
30
36
42
50
60
66
82
102
115
128
141
166
196
248
306
360
402
456
34
40
46
54
64
70
86
106
121
134
147
172
204
256
314
370
412
468
4
5
5
5
6
6
6
8
8
8
8
8
8
8
10
10
12
15
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
3
3
3
52
55
60
70
80
90
105
130
140
150
160
195
235
280
345
405
450
510
T
Diam. of Hub
a b
Radi-us
r
Rais-edFacef
Diam.ofRadiusface
g
-
-
-
-
-
-
-
65.9
78.1
90.2
102.3
126.6
151.0
199.9
248.8
297.9
333.4
381.0
d
75
80
85
95
105
120
130
160
170
185
195
230
275
320
390
450
495
560
BoltCircleDiamC
4
4
4
4
4
4
8
8
8
8
8
8
12
12
12
16
16
16
Numb-erof BoltHoles
19
19
19
19
19
23
19
23
23
25
25
25
27
27
33
33
33
39
HoleDiam
h
M16
M16
M16
M16
M16
M20
M16
M20
M20
M22
M22
M22
M24
M24
M30x3
M30x3
M30x3
M36x3
NuminalBolt Size
-
31
37
44
52
58
70
96
109
122
135
160
186
237
290
345
383
435
S1
-
4
5
6
6
6
6.5
9.5
9.5
9.5
9.5
9.5
9.5
9.5
10
12
13
14
m
-
40
44
52
60
66
78
94
-
-
-
-
-
-
-
-
-
-
S2
-
5
5
5
5
5
5
5
-
-
-
-
-
-
-
-
-
-
n
-
-
-
-
-
-
-
6
6
6
6
6
6
6
6
6
6
7
0.99
1.23
1.34
1.76
2.15
2.82
2.89
4.70
5.36
6.85
7.89
11.4
16.7
20.6
36.1
49.9
61.2
85.2
I
ApproxWeight(kg)
Sectional Dimensions of Flange Bolt Hole Reference
SLIP-ON FLANGES 30kg/㎠
JIS B 2220-1984 (KS B 1503-1999)30kg/㎠ SLIP-ON WELDING STEEL PIPE FLANGES
TYPE BNOMINAL SIZE 10~50mm
TYPE CNOMINAL SIZE 65~400mm
* The surface finish(~)is in the case of die forging
(1) As far as possible nominal diameter in parenthesis should be avoid from use.(2) The diamensional tolerance shall confirm to JIS B2203(3) The flange gasket surface is based on large raised facing specified in JIS B2202. But if necessary facings other than the large raised
facing specified in JIS B2201 can be designated by customers.(4) Sized is an example of pipe thickness for schedule 40 of JIS G3454 and JIS B3456,. When other size is necessary customers can
order it at will.(5) Material
Carbon Steel : S25C specified in JIS G4051 or SF45 specified in JIS G3201.Molybdeum Steel : ½Mo Steel specified in tables 1 and 2 of JIS B2215.Chromium-Molybdenum Steel : 1¼ Cr 1/2 Mo Steel specified in tables 1 and of JIS B2215.
* The surface finish is the case of forging(▽ : in other cases)
Notes :
Unit:mm
86
NominalDiam. of Flange
OutsideDiam.ofSteel pipe
17.3
21.7
27.2
34.0
42.7
48.6
60.5
76.3
89.1
101.6
114.3
139.8
165.2
190.7
216.3
241.8
267.4
318.5
355.6
406.4
457.2
508.0
558.8
609.6
90
95
100
125
135
140
155
175
185
195
210
250
280
305
330
350
400
445
490
560
620
675
745
795
To be sp
ecifie by
purch
aser
OutsideDiam.ofFlange
d0
OutsideDiam.ofFlange
D
12
12
14
14
16
16
16
18
18
18
18
20
22
22
22
22
24
24
26
28
30
30
32
32
t
28.9
30.6
33.9
36.3
40.3
41.2
42.9
53.0
53.0
50.6
54.3
56.2
65.3
66.1
66.1
62.3
70.7
75.9
83.0
94.4
107.9
110.2
119.9
123.6
17.3
21.7
27.2
34.0
42.7
48.6
60.5
76.3
89.1
101.6
114.3
139.8
165.2
190.7
216.3
241.8
267.4
318.5
855.6
406.4
457.2
508.0
558.8
609.6
25
33
38
47
57
64
77
97
109
120
135
160
190
215
240
262
292
346
386
442
502
554
610
662
4
4
4
4
5
5
5
5
6
6
6
6
6
6
6
6
6
6
8
8
10
10
10
10
T*1
Diam. of Hub
a b
Radi-usr
*3
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
RaisedFace
f
46
51
56
67
76
81
96
116
126
136
151
182
212
237
262
282
324
368
413
475
530
585
640
690
Diam.ofRaisedFace
g
65
70
75
92
100
105
120
140
150
160
175
210
240
265
290
310
355
400
445
510
565
620
680
730
4
4
4
4
4
4
4
4
8
8
8
8
8
12
12
12
12
16
16
16
20
20
20
24
15
15
15
19
19
19
19
19
19
19
19
23
23
23
23
23
25
25
25
27
27
27
23
33
BoltDianeterCircle
c
Numberof BoltHoles
HoleDia.
h
M12
M12
M12
M16
M16
M16
M16
M16
M16
M16
M16
M20
M20
M20
M20
M20
M22
M22
M22
M24
M24
M24
M30
M30
3.5
4.5
6.4
6.0
6.4
5.9
6.3
9.1
9.6
9.6
10.4
10.9
12.3
13.7
14.4
15.0
15.9
17.5
19.0
21.9
21.9
22.7
23.9
26.1
NominalBoltSize
Length ofwecrDepat
P*
ApproxWeight(kg)
Sectional Dimensions of Flange Bolt Hole
10
15
20
25
32
40
50
65
80
(90)
100
125
150
(175)
200
(225)
250
300
350
400
450
500
550
600
WELDING NECK FLANGES 10kg/㎠
JIS B2220-1984 (KS B 1503-1999)10kg/㎠ WELDING NECK STEEL PIPE FLANGES
(1) %1,%2,%4 Dimension of “T”, “r”, “s”, “p”are maker standard.(2) %2 Under norminal size 225m/m Dimension of “b”is manker standard.(3) All Dimension of Flange was Dimensions on JIS B2220 & KS B1503 base
Notes :
Unit:mm
87
a
NominalBore ofFlange b T P Radius f g
BoltDiameterCircle
C
Numberof BoltHoles
Diameterof Hole
h
OutsideDiam.ofSteel Pipe
OutsideDiam.ofFlange
Dt d S
NominalBoltSize
ApproxWeight(kg)
Sectional Dimensions of Flange Bolt HoleApprox.Weigth(kg)
17.3
21.7
27.2
34.0
42.7
48.6
60.5
76.3
89.1
101.6
114.3
139.8
165.2
216.3
267.4
318.5
355.6
406.4
457.2
508.0
558.8
609.6
90
95
100
125
135
140
155
175
200
210
225
270
305
350
430
480
540
605
675
730
795
845
14
14
16
16
18
18
18
20
22
24
24
26
28
30
34
36
40
46
48
50
52
54
17.3
21.7
27.2
34.0
42.7
48.6
60.5
76.3
89.1
101.6
114.3
139.8
165.2
216.3
267.4
318.5
355.6
406.4
457.2
508.0
558.8
609.6
32
36
42
50
60
66
80
104
117
130
142
172
202
252
312
364
408
456
514
568
622
676
35.9
36.4
40.9
42.0
46.0
45.7
48.7
63.7
66.5
68.9
69.0
77.2
86.3
89.0
105.7
110.4
124.5
129.9
140.9
147.7
154.9
163.1
3.5
4.5
6.4
6.0
6.4
5.9
6.3
9.1
9.6
9.4
10.4
10.9
12.3
14.4
15.9
17.5
19.0
21.9
21.9
22.7
23.9
26.1
4
4
4
4
5
5
5
5
6
6
6
6
6
6
6
8
8
10
10
10
10
10
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
46
51
56
67
76
81
96
116
132
145
160
195
230
275
345
395
440
495
560
615
670
720
65
70
75
90
90
105
120
140
160
170
185
225
260
305
380
430
480
540
605
660
720
770
4
4
4
4
4
4
8
8
8
8
8
8
12
12
12
16
16
16
20
20
20
24
15
15
15
19
19
19
19
19
23
23
23
25
25
25
27
27
33
33
33
33
39
39
M12
M12
M12
M16
M16
M16
M16
M16
M20
M20
M20
M20
M22
M22
M22
M24
M24
M30x3
M30x3
M30x3
M30x3
M30x3
To be sp
ecifie by
purch
aser
To be sp
ecifie by
purch
aser
10
15
20
25
32
40
50
65
80
90
100
125
150
200
250
300
350
400
450
500
550
600
WELDING NECK FLANGES 20kg/㎠
JIS B2220-1984 (KS B 1503-1999)20kg/㎠ WELDING NECK STEEL PIPE FLANGES
Dimensions are maker standard and design base is JIS B2220-1984Notes :
Unit:mm
88
a
NominalBore ofFlange b T R Radius
rf g
BoltDiameterCircle
C
Numberof BoltHoles
Diameterof Hole
h
OutsideDiam.ofSteel Pipe
OutsideDiam.ofFlange
Dt d S
NominalBoltSize
Sectional Dimensions of Flange Bolt HoleApprox.Weigth(kg)
15
20
25
32
40
50
65
80
(90)
100
125
150
200
250
300
350
400
ApproxWeight(kg)
21.7
27.2
34.0
42.7
48.6
60.5
76.3
89.1
101.6
114.3
139.8
165.2
216.3
267.4
318.5
355.6
406.4
115
120
130
140
160
165
200
210
230
240
275
325
370
450
515
560
630
18
18
20
22
22
22
26
28
30
32
36
38
42
48
52
54
60
21.7
27.2
34.0
42.7
45.6
60.5
76.3
88.1
101.6
115.3
139.8
165.2
216.3
267.4
318.5
355.6
406.4
40
44
52
62
70
84
104
118
130
142
172
202
254
312
366
406
462
3.1
3.2
3.8
4.0
4.2
4.4
5.8
6.1
6.4
6.8
7.5
8.1
9.4
10.6
11.8
12.7
14.6
45
45
48
52
54
57
69
73
74
76
86
95
102
118
127
134
149
20
20
20
30
30
30
30
30
30
30
50
50
50
50
50
80
80
6
6
6
6
6
8
8
8
8
8
10
10
10
12
15
15
20
1
1
1
2
2
2
2
2
2
2
2
2
2
2
3
3
3
55
60
70
80
90
105
130
140
150
160
195
235
280
345
405
450
510
80
85
95
105
120
130
160
170
185
195
230
275
320
390
150
495
560
4
4
4
4
4
8
8
8
8
8
8
12
12
12
16
16
16
19
19
19
19
23
19
23
23
25
25
25
27
27
33
33
33
39
M16
M16
M16
M16
M20
M16
M20
M20
M22
M22
M22
M24
M24
M30x3
M30x3
M30x3
M36x3
1.33
1.47
1.95
2.43
3.16
3.33
5.91
7.05
8.54
9.72
14.4
20.6
28.7
47.3
62.8
77.0
108.0
To be sp
ecifie by
purch
aser
WELDING NECK FLANGES 30kg/㎠
JIS B2220-1984 (KS B 1503-1999)WELDING NECK STEEL PIPE FLANGES
(1) Flanges of parenthexized nominal diameter had better not be used.(2) The Flange gasket surface is based on “large raised facing”specified in JIS B2202. If necessary customers can order for other types of
facing.(3) Size d and Size S are examples for schedule 40 of JIS G3454 and JIS 3456. Customers can also order for other sizes.(4) For dimonsional tolorance, refer to JIS B2203.(5) Material
Carbon Steel : S25C specified in JIS G4051 or SF45 specified in JIS G3201.Molybdeum Steel : ½Mo Steel specified in tables 1 and 2 of JIS B2215.Chromium-Molybdenum Steel : 1¼ Cr 1/2 Mo Steel specified in tables 1 and of JIS B2215.
Notes :
Unit:mm
89
a
NominalBore ofFlange b T R Radius
rf g
BoltDiameterCircle
C
Numberof BoltHoles
Diameterof Hole
h
OutsideDiam.ofSteel Pipe
OutsideDiam.ofFlange
Dt d S
NominalBoltSize
Sectional Dimensions of Flange Bolt HoleApprox.Weigth(kg)
15
20
25
32
40
50
65
80
(90)
100
125
150
200
250
300
350
400
ApproxWeight(kg)
21.7
27.2
34.0
42.7
48.6
60.5
76.3
89.1
101.6
114.3
139.8
165.2
216.3
267.4
318.5
355.6
406.4
115
120
130
140
160
165
200
210
230
250
300
355
405
475
540
585
645
20
20
22
24
24
26
30
32
34
36
40
44
50
56
60
64
70
21.7
27.2
34.0
42.7
48.6
60.5
76.3
89.1
101.6
114.3
139.8
165.2
216.3
267.4
318.5
355.6
406.4
40
45
54
62
72
88
108
119
130
146
188
215
270
333
400
432
466
3.1
3.2
3.8
4.0
4.2
4.4
5.8
6.1
6.4
6.8
7.5
8.1
9.4
10.6
11.8
12.7
14.6
53
58
63
69
72
75
81
85
88
104
112
120
135
154
159
168
181
20
20
20
30
30
30
30
30
30
30
50
50
50
50
50
80
80
6
6
6
6
6
8
8
8
8
8
10
10
10
12
15
15
20
1
1
1
2
2
2
2
2
2
2
2
2
2
2
3
3
3
55
60
70
80
90
105
130
140
150
165
200
240
290
355
410
455
515
80
85
95
105
120
130
160
170
185
205
250
295
345
410
470
515
570
4
4
4
4
4
8
8
8
8
8
8
12
12
12
16
16
16
19
19
19
19
23
19
23
23
25
25
27
33
33
33
39
39
39
M16
M16
M16
M16
M20
M16
M20
M20
M22
M22
M24
M30
M30
M30
M36
M36
M36
1.5
1.7
2.2
2.8
3.5
4.1
6.9
7.9
9.4
12.3
-
30.6
41.6
68.1
96.0
115.0
143.0
To be sp
ecifie by
purch
aser
WELDING NECK FLANGES 40kg/㎠
JIS B2220-1984 (KS B 1503-1999)WELDING NECK STEEL PIPE FLANGES
(1) Flanges of parenthexized nominal diameter had better not be used.(2) The Flange gasket surface is based on “lagre raised facing”specified JIS B2202. If necessary, customers can order for other
types of facing. (3) Size d and Size S are examples for schedule 40 of JIS G3456. Customers can also order for other sizes.(4) For dimonsional tolorance, refer to JIS B2203.(5) T of 125 nominal Diameter is maker’s standard.
Notes :
Unit:mm
90
±0.5
＋20
＋30
＋40
＋60
＋70
＋80
＋10
＋1.50
＋20
＋2.50
＋30
＋3.50
±0.3
±0.35
±0.4
±0.5
±0.2
±0.25
±0.8
±0.9
±1
±1.2
＋1.50
＋20
＋30
＋10
＋1.50
＋20
±1
±1.5
±2
＋20
＋30
＋10
＋1.50
＋20
＋2.50
＋300
－0.50
－10
－1.50
－20
－2.50
－3
±0.5
±0.6
±0.8
±1
±1.5
Flange Section SurfaceCondition Basic Size Dimensional
Tolerance
OutsideDiaD
InsideDia.
BoltHole
SolidFlanged(2)
Slip-onFlangedo
WeldingNeckFlanged
Bolt CircleDiaC
AsForged(1)
Finish
AsForged(1)
Finish
300 & below
over 300 thru 600
over 600 thru 1000
over 1000 thru 1500
over 1500
300 & below
over 300 thru 600
over 600 thru 1000
over 1000 thru 1500
over 1500
16 & below
over 16 thru 63
over 63 thru 125
over 125 thru 150
over 250 thru 500
over 500 thru 1000
over 1000
100 & below
over 100 thru 400
over 400 thru 600
over 600 thru 800
over 800 thru 1000
over 1000
100 & below
over 100 thru 400
over 400 thru 600
over 600 thru 800
over 800 thru 1000
over 1000
250 & below
over 250 thru 550
over 550 thru 950
over 950 thru 1350
over 1350
＋Not
specified
-2.0
＋Notspecified
-3.0
±1
±1.5
±2
±2.5
±3
±1
±1.5
±2
±2.5
±3
±4
±5
＋0.50
Flange Section SurfaceCondition Basic Size Dimensional
ToleranceBolt Hole Pitch of Hole p
Dia ofHub
Gasketseat
Thickness t
HubHeightT
Slip-on Flange(a)andWelding NeckFlange(d1)
C1, C2C3, C4
Flange withPipe inserted
Drilling Hole
AsForged
Finish
Finish
f4, f3 Finish
g Finish
One-sideFinish
Both-sideFinish
Finish
Flange withButt-welded Pipe Finish
-
220 & below
over 220 thru 450
over 450 thru 650
over 650 thru 850
over 850 thru 1000
over 1000
220 & below
over 220 thru 450
over 450 thru 650
over 650 thru 850
over 850 thru 1000
over 1000
500 & below
over 500 thru 1000
over 1000 thru 1500
over 1500
8 & below
over 8
200 & below
over 200 thru 650
over 650 thru 1000
over 1000
20 & below
over 20 thru 50
over 50 thru 100
20 & below
over 20 thru 50
over 50 thru 100
50 & below
over 50 thru 100
over 100 thru 200
over 200 & below
over 200 thru 300
TOLERANCE FOR JIS FLANGES
SOLID SLIP-ON WELDING NECK TYPE OF GASKET SURFACE
MALE &FEMALE TYPE
TONGUE &GROOVE TYPE
(1) This dimensional tolerance applies to the machined surface, as required.(2) This dimensional d has been specified only for the flange, of which the bore part is cylindrical in shape.
(1) The dimensions d of bore part of the solid flanges with surface, as forged of valves, pumps, etc. are allowed up to plus 100% of the above dimensional tolerance. Provided that the required thickness shall be free from its influence
(2) The thickness of flange of valve and the like, of which the dimension between flange faces is limited to a fixed value, are allowed up to plus 100% of the above dimensional tolerance in the column of thickness.
(3) In the case of spot facing of the single surface finihsing, the thickness of spot facing is allowed up to 70% of the dimensional tolerance in the above column of thickness in neagtive side.
(4) The chain double-dashed lines in the figures of solid flange and socket welding type flange illustrate the cases of large raised face flange.
Notes :
Remarks :
KS B 1502JIS B 2203
Unit:mm
91
10
15
20
25
32
40
50
65
80
90
100
125
150
200
250
300
350
400
38
42
50
60
70
75
90
110
120
130
145
175
215
260
325
375
415
475
39
43
51
61
71
76
91
111
121
131
146
176
216
261
326
376
416
476
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
28
32
38
45
55
60
70
90
100
110
125
150
190
230
295
340
380
440
38
42
50
60
70
75
90
110
120
130
145
175
215
260
325
375
415
475
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
27
31
37
44
54
59
69
89
99
109
124
149
189
229
294
339
379
439
39
43
51
61
71
76
91
111
121
131
146
176
216
261
326
376
416
476
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Male & Female type Tongue & Groove TypeNominalDiam. ofFlange
C3 C4 f3 f4 C1 C3 f3 C2 C4 f4
WELDING NECK FLANGESFLANGE FACING
(1) f3 and f4 dimensions can be made a little larger depending on gasket type.(2) Size g. for male & female type and tongue & groove type, shall correspond to size g of large raised facing with each on nominal
pressures stated in facing 1.Demensional tolerances for pipe flange facing are based on KS B1502 (JIS B2203)
Notes :
Unit:mm
92
JIS
G3202 SFVC 2A0.35 0.40
~ 1.100.03 0.03 0.35
- - - -490
~ 640245 18 33
-
G4051 S20C0.18
~ 0.230.30
~ 0.600.03 0.035 0.15
~ 0.35- - - -
400 245 28-
116~ 174
G4051 S25C0.22
~ 0.280.30
~ 0.600.03 0.035 0.15
~ 0.35- - - -
440 265 27-
123~ 183
G4051 S45C0.42
~ 0.480.60
~ 0.900.03 0.035 0.15
~ 0.35- - - -
570 345 20-
167~ 229
G3101 SS41(400) - -0.05 0.05
- - - - -400
~ 510
245235215
φ17φ21φ23
- -
G3201 SF45A(440)0.60 0.30
~ 1.200.03 0.035 0.15
~ 0.50- - - -
440~ 540
225 24 45 Min121
G3203 SFVA F10.30 0.60
~ 0.900.03 0.03 0.35
- -0.45
~ 0.65-
480~ 660
275 18 35-
G3203 SFVA F5B0.15 0.30
~ 0.600.03 0.03 0.50
-4.0
~ 6.00.45
~ 0.65-
480~ 660
275 18 35-
G3203 SFVA F90.15 0.30
~ 0.600.03 0.03 0.5
~ 1.0-
8.0~ 10.0
0.9~ 1.1
-590
~ 760380 18 40
-
G3203 SFVA F11A0.20 0.30
~ 0.800.03 0.03 0.5
~ 1.0-
1.0~ 1.5
0.45~ 0.65
-480
~ 660275 18 35
-
G3203 SFVA F22B0.15 0.30
~ 0.600.03 0.03 0.5
-2.0
~ 2.50.9
~ 1.1-
520~ 690
315 18 35-
G3214 SUS F3040.08 2.00 0.04 0.03 1.00 8.0
~ 11.018.0
~ 20.0- -
520 205 43 50 Max.187
G3214 SUS F304L0.03 2.00 0.04 0.03 1.00 9.0
~ 13.018.0
~ 20.0- -
480 175 29 50 Max.
G3214 SUS F3160.08 2.00 0.04 0.03 1.00 10.0
~ 14.016.0
~ 18.02.0
~ 3.0-
520 205 43 50 Max.187
G3214 SUS F316L0.03 2.00 0.04 0.03 1.00 12.0
~ 15.016.0
~ 18.02.0
~ 3.0-
480 175 29 50 Max.187
G3214 SUS F3170.08 2.00 0.04 0.03 1.00 11.0
~ 15.018.0
~ 20.03.0
~ 4.0-
520 205 29 50 Max.187
G3214 SUS F317L0.03 2.00 0.04 0.03 1.00 11.0
~ 15.018.0
~ 20.03.0
~ 4.0-
480 175 29 50 Max.187
G3214 SUS F3210.08 2.00 0.04 0.03 1.00 9.0
~ 12.0Min17
-Ti5xC~0.6
520 205 43 50 Max.187
G3214 SUS F3470.08 2.00 0.04 0.03 1.00 9.0
~ 13.017.0
~ 20.0-
Nb10xC~1.0
520 205 43 50 Max.187
G4303 SUS F4100.15 1.00 0.04 0.03 1.00 0.60 11.5
~ 13.5- -
540 345 25 55 Min.159
G4303 SUS 440C0.95
~ 1.201.00 0.04 0.03 1.00 0.60 16.0
~ 18.00.75
- - - - -HRCMic58
GradeCHEMICAL COMPOSITION(%)-MAX MECHANICAL PROPERTIES
C Mn P S Si Ni Cr Mo Other T.S MinN/㎟
Y.S MinN/㎟
E.LMin%
RedMin% HB
JIS MATERIAL SPECIFICATIONS
Pursuing excellence
with quality!
Head Office & Factory
#718-90, Seokpo-Ri, Jangan-Myun, Hwaseong-Si,Gyeonggi-Do, KoreaTel : 82-31-351-2700 / Fax : 82-31-351-6789
U.S.A Sales Office
#503 Industrial Dr, Bensenville, Illinois, USA 60106Tel : 1-847-750-8110 / Fax : 1-847-750-8111
E-mail : [email protected] site : www. hallaind.com
Halla Vol. 2009-11
