Not all pipes and fittings companies are created equal. It all comes down to service.
You first.
1
JIS B2291 SQUARE FLANGES
Square Flanges
Specifications:
JIS B2291, Hydraulic pipe and hose connections, four-bolt
Material Specifications:
(SF440A) Hydraulic Steel
(SS316) Stainless Steel
Size Range:
(SF440A) Hydraulic Steel : 1/4” – 6”NB
(SS316) Stainless Steel : 3/8” – 3”NB
Working Pressure:
210kgf/cm2 : 210 BAR / 21 MPA
Flange Series:
(SHAB) SHAB Square Flange using Hexagon Hex Bolts (Larger Flange Body)
(SSAB) SSAB Square Flange using Socket Cap Screws (Smaller Flange Body)
Flange Screws:
Metric screws according to DIN 912-8.8 (Standard)
SHAB
SSAB
Oring and Flat Square Blind Flanges
Not all pipes and fittings companies are created equal. It all comes down to service.
You first.
2
JIS B2291 SQUARE FLANGES
WELD IN SQUARE FLANGES (SHAB)
SHAB (210 KG/CM²)
SIZE
ORING
PART NUMBER
A
B
C
D
E
F
G
H
I
BOLT
LENGTH
WEIGHT
8
G25
FL-SQ-H-SHAB-04
63
40
8
30
14.3
24
11
22
11
M10 x 55
1.30 KGS
10
G25
FL-SQ-H-SHAB-06
63
40
11.5
30
17.8
28
11
22
11
M10 x 55
1.30 KGS
15
G25
FL-SQ-H-SHAB-08
63
40
16
30
22.2
32
11
22
11
M10 x 55
1.40 KGS
20
G30
FL-SQ-H-SHAB-12
68
45
20
35
27.7
38
12
22
11
M10 x 55
1.50 KGS
25
G35
FL-SQ-H-SHAB-16
80
53
25
40
34.5
45
14
28
13
M12 x 70
2.60 KGS
32
G40
FL-SQ-H-SHAB-20
90
63
31.5
45
43.2
56
16
28
13
M12 x 70
3.15 KGS
40
G50
FL-SQ-H-SHAB-24
100
70
37.5
55
49.1
63
18
36
18
M16 x 90
5.10 KGS
50
G60
FL-SQ-H-SHAB-32
112
80
47.5
65
61.1
75
20
36
18
M16 x 90
5.90 KGS
65
G75
FL-SQ-H-SHAB-40
140
100
60
80
77.1
95
22
45
22
M20 x 110
11.40 KGS
80
G85
FL-SQ-H-SHAB-48
155
112
71
90
90.0
108
25
45
24
M22 x 120
14.10 KGS
100
G105
FL-SQ-H-SHAB-64
190
140
87.3
110
115.4
135
28
60
27
M24 x 140
25.50 KGS
125
G130
FL-SQ-H-SHAB-80
230
168
120.8
135
141.2
164
30
65
32
M30 x 170
41.00 KGS
150
G155
FL-SQ-H-SHAB-96
270
195
128.8
165
166.9
193
35
80
39
M36 x 190
68.50 KGS
Designation for Order:
Double Flanges, SHAB
Counter-Flanges, SHA
Flanges, SHB
(Flat side & Oring side)
(Oring side)
(Flat side)
ST52.3
FL-SQ-H…SHAB..
ST52.3
FL-SQ-H…SHA..
ST52.3
FL-SQ-H…SHB..
SS316
FL-SQ-S…SHAB..
SS316
FL-SQ-S…SHA..
SS316
FL-SQ-S…SHB..
I
A
B
ORING
H
G
30°
ӝ
B
A
4- (I)
F
E
C
D
SHB
SHA
Not all pipes and fittings companies are created equal. It all comes down to service.
You first.
3
JIS B2291 SQUARE FLANGES
BLIND SQUARE FLANGES
SHAB (210 KG/CM²)
SIZE
ORING
PART NUMBER
(ORING SIDE)
PART NUMBER
(FLAT SIDE)
DIMENSIONS
A
B
D
H
I
BOLT
LENGTH
WEIGHT
8
G25
FL-SQ-H-SHA-BL-04
FL-SQ-H-SHB-BL-04
63
40
30
22
11
M10 x 55
1.30 KGS
10
G25
FL-SQ-H-SHA-BL-06
FL-SQ-H-SHB-BL-06
63
40
30
22
11
M10 x 55
1.30 KGS
15
G25
FL-SQ-H-SHA-BL-08
FL-SQ-H-SHB-BL-08
63
40
30
22
11
M10 x 55
1.40 KGS
20
G30
FL-SQ-H-SHA-BL-12
FL-SQ-H-SHB-BL-12
68
45
35
22
11
M10 x 55
1.50 KGS
25
G35
FL-SQ-H-SHA-BL-16
FL-SQ-H-SHB-BL-16
80
53
40
28
13
M12 x 70
2.60 KGS
32
G40
FL-SQ-H-SHA-BL-20
FL-SQ-H-SHB-BL-20
90
63
45
28
13
M12 x 70
3.15 KGS
40
G50
FL-SQ-H-SHA-BL-24
FL-SQ-H-SHB-BL-24
100
70
55
36
18
M16 x 90
5.10 KGS
50
G60
FL-SQ-H-SHA-BL-32
FL-SQ-H-SHB-BL-32
112
80
65
36
18
M16 x 90
5.90 KGS
65
G75
FL-SQ-H-SHA-BL-40
FL-SQ-H-SHB-BL-40
140
100
80
45
22
M20 x 110
11.40 KGS
80
G85
FL-SQ-H-SHA-BL-48
FL-SQ-H-SHB-BL-48
155
112
90
45
24
M22 x 120
14.10 KGS
100
G105
FL-SQ-H-SHA-BL-64
FL-SQ-H-SHB-BL-64
190
140
110
60
27
M24 x 140
25.50 KGS
125
G130
FL-SQ-H-SHA-BL-80
FL-SQ-H-SHB-BL-80
230
168
135
65
32
M30 x 170
41.00 KGS
150
G155
FL-SQ-H-SHA-BL-96
FL-SQ-H-SHB-BL-96
270
195
165
80
39
M36 x 190
68.50 KGS
Designation for Order:
Counter-Flanges, SHA
Flanges, SHB
(Oring side)
(Flat side)
ST52.3
FL-SQ-H…SHA-BL..
ST52.3
FL-SQ-H…SHB-BL..
SS316
FL-SQ-S…SHA-BL..
SS316
FL-SQ-S…SHB-BL..
I
A
A
a
A
B
ORING
H
B
A
4- (I)
D
SHB
SHA
Not all pipes and fittings companies are created equal. It all comes down to service.
You first.
4
JIS B2291 SQUARE FLANGES
WELD IN SQUARE FLANGES (SSAB)
SSAB (210 KG/CM²)
SIZE
ORING
PART NUMBER
DIMENSIONS
A
B
C
D
E
F
G
H
I
BOLT LENGTH
WEIGHT
10
G25
FL-SQ-H-SSAB-06
54
36
11.5
30
17.8
28
11
22
11
M10 x 40
1.00 KGS
15
G25
FL-SQ-H-SSAB-08
54
36
16
30
22.2
32
11
22
11
M10 x 40
1.00 KGS
20
G30
FL-SQ-H-SSAB-12
58
40
20
35
27.7
38
12
22
11
M10 x 40
1.20 KGS
25
G35
FL-SQ-H-SSAB-16
68
48
25
40
34.5
45
14
28
13
M12 x 50
1.60 KGS
32
G40
FL-SQ-H-SSAB-20
76
56
31.5
45
43.2
56
16
28
13
M12 x 50
2.00 KGS
40
G50
FL-SQ-H-SSAB-24
92
65
37.5
55
49.1
63
18
36
18
M16 x 65
3.80 KGS
50
G60
FL-SQ-H-SSAB-32
100
73
47.5
65
61.1
75
20
36
18
M16 x 65
4.00 KGS
65
G75
FL-SQ-H-SSAB-40
128
92
60
80
77.1
95
22
45
22
M20 x 85
8.20 KGS
80
G85
FL-SQ-H-SSAB-48
140
103
71
90
90.0
108
25
45
24
M22 x 85
9.40 KGS
Designation for Order:
Double Flanges, SSAB
Counter-Flanges, SSA
Flanges, SSB
(Flat side & Oring side)
(Oring side)
(Flat side)
ST52.3
FL-SQ-H…SSAB..
ST52.3
FL-SQ-H…SSA..
ST52.3
FL-SQ-H…SSB..
SS316
FL-SQ-S…SSAB..
SS316
FL-SQ-S…SSA..
SS316
FL-SQ-S…SSB..
I
A
B
ORING
H
G
30°
ӝ
B
A
4- (I)
F
E
C
D
SSB
SSA
Not all pipes and fittings companies are created equal. It all comes down to service.
You first.
5
JIS B2291 SQUARE FLANGES
BLIND SQUARE FLANGES (SSAB)
SSAB (210 KG/CM²)
SIZE
ORING
PART NUMBER
(ORING SIDE)
PART NUMBER
(FLAT SIDE)
DIMENSIONS
A
B
D
H
I
BOTH LENGTH
WEIGHT
10
G25
FL-SQ-H-SSA-BL-06
FL-SQ-H-SSB-BL-06
54
36
30
22
11
M10 x 40
1.00 KGS
15
G25
FL-SQ-H-SSA-BL-08
FL-SQ-H-SSB-BL-08
54
36
30
22
11
M10 x 40
1.00 KGS
20
G30
FL-SQ-H-SSA-BL-12
FL-SQ-H-SSB-BL-12
58
40
35
22
11
M10 x 40
1.20 KGS
25
G35
FL-SQ-H-SSA-BL-16
FL-SQ-H-SSB-BL-16
68
48
40
28
13
M12 x 50
1.60 KGS
32
G40
FL-SQ-H-SSA-BL-20
FL-SQ-H-SSB-BL-20
76
56
45
28
13
M12 x 50
2.00 KGS
40
G50
FL-SQ-H-SSA-BL-24
FL-SQ-H-SSB-BL-24
92
65
55
36
18
M16 x 65
3.80 KGS
50
G60
FL-SQ-H-SSA-BL-32
FL-SQ-H-SSB-BL-32
100
73
65
36
18
M16 x 65
4.00 KGS
65
G75
FL-SQ-H-SSA-BL-40
FL-SQ-H-SSB-BL-40
128
92
80
45
22
M20 x 85
8.20 KGS
80
G85
FL-SQ-H-SSA-BL-48
FL-SQ-H-SSB-BL-48
140
103
90
45
24
M22 x 85
9.40 KGS
Designation for Order:
Counter-Flanges, SSA
Flanges, SSB
(Oring side)
(Flat side)
ST52.3
FL-SQ-H…SSA-BL..
ST52.3
FL-SQ-H…SSB-BL..
SS316
FL-SQ-S…SSA-BL..
SS316
FL-SQ-S…SSB-BL..
I
A
B
ORING
H
B
A
4- (I)
D
SSB
SSA
Not all pipes and fittings companies are created equal. It all comes down to service.
You first.
6
JIS B2291 SQUARE FLANGES
ORING GROOVE & ORING DIMENSION
SHAB & SSAB (210 KG/CM²) ORING DIMENSION
SIZE
INCH
PART NUMBER
DIMENSIONS
OD
ID
W
8
1/4"
G25
30.60
24.40
3.1
10
3/8"
G25
30.60
24.40
3.1
15
1/2"
G25
30.60
24.40
3.1
20
3/4"
G30
35.60
29.40
3.1
25
1"
G35
40.60
34.40
3.1
32
1 1/4"
G40
45.60
39.40
3.1
40
1 1/2"
G50
55.60
49.40
3.1
50
2"
G60
65.60
59.40
3.1
65
2 1/2"
G75
80.60
74.40
3.1
80
3"
G85
90.60
84.40
3.1
100
4"
G105
110.60
104.40
3.1
125
5"
G130
135.60
129.40
3.1
150
6"
G155
165.70
154.30
5.7
4.1 + 0.25
0
0.2 + 0.1
0
R0.2
0
ID
0
2.4 + 0.05
0
D + 0.1
0
R0.5
0
R0.5
0
R0.2
0
OD
0
W
0
ORING
ORING GROOVE
Not all pipes and fittings companies are created equal. It all comes down to service.
You first.
7
JIS B2291 SQUARE FLANGES
Chuan Kok Hardware & Machinery Pte Ltd
Address: 1783 Geylang Bahru #01-02, Kallang Distripark Singapore 339708
Telephone Number: +65 6294 2566
Fax Number: +65 6295 7013
Email Address: info@chuankok.com
Website: www.chuankok.com
Business Registration Number: 198201577Z
Country of Registration: Singapore
Conditions of Use of Catalogue
The information in the catalogue are not binding and in order to improve distribution, Chuan Kok Hardware &
Machinery Pte Ltd reserves the right to make any change including size and pressure ratings considered necessary at
any time and without prior notice.
According to the copyright and the civil law, any reproduction (also partial) of figures and texts of this catalogue by
means of electronic, mechanical, photocopies, microfilms, recordings or other is forbidden without Chuan Kok
Hardware & Machinery Pte Ltd’s authorization.
Catalogue Version: 0216