标准号 Standard No.
|
通径范围 Diameter Range
|
压力等级 Pressure Rating
|
常用材料 Conventional Materials
|
ASME B16.5
|
1/2~24"
|
CLASS 150 300 600 900 1500 2500
|
ASTM A182
F304
F304L
F321
F316
F316L
F51
F55
F60
F316Ti
F310
F317L
F347H
|
ANSI B 16.47
|
26~60"
|
CLASS 150 300 600 900
|
AWWA C207
|
4~144"
|
CLASS 86 175-150 275 300
|
ISO7005-1
|
1/2~24"
|
PN 2.0 5.0 11.0 15.0 26.0 42.0
|
BS4504-3.1
|
1/2~24"
|
CLASS 150 300 600 900 1500 2500
|
NF E29-203
|
1/2~24"
|
PN 2.0 5.0 11.0 15.0 26.0 42.0
|
API605
|
26~60"
|
CLASS 150 300 600
|
ASME B 16.36
|
1/2~24"
|
CLASS 300 400 600 900 1500 2500
|
ASME B16.5 CLASS 150 PIPE FLANGES
Dimensions in mm
Nominal
Pipe
Size
|
Outside
Diameter
|
Thickness
|
Thickness
of
Lap Joint
|
Raised
Face
Diameter
|
Corner
Radius of
Bore of
Lap Joint
|
Bore
|
Length thru hub
|
Thread
Length
Threaded
Flange
(Min)
|
Depth
of
Socket
|
Diameter
Hub at
Bevel
|
Welding
Neck
Socket
Welding
|
Slip-On
Socket
Welding
|
Lap
Joint
|
Welding
Neck
|
Slip-on
Threaded
Socket
Welding
|
Lap
Joint
|
o
|
c
|
C1
|
R
|
r
|
B1
|
B2
|
B3
|
Y1
|
Y2
|
Y3
|
T
|
D
|
A
|
¹/2
|
90
|
9.6
|
11.2
|
34.9
|
3.0
|
15.8
|
22.2
|
22.9
|
46.0
|
14.0
|
16.0
|
16.0
|
10.0
|
21.3
|
³/4
|
100
|
11.2
|
12.7
|
42.9
|
3.0
|
20.9
|
27.7
|
28.2
|
51.0
|
14.0
|
16.0
|
16.0
|
11.0
|
26.7
|
1
|
110
|
12.7
|
14.3
|
50.8
|
3.0
|
26.6
|
34.5
|
34.9
|
54.0
|
16.0
|
17.0
|
17.0
|
13.0
|
33.4
|
1 ¹/4
|
115
|
14.3
|
15.9
|
63.5
|
5.0
|
35.1
|
43.2
|
43.7
|
56.0
|
19.0
|
21.0
|
21.0
|
14.0
|
42.2
|
1 ¹/2
|
125
|
15.9
|
17.5
|
73.0
|
6.0
|
40.9
|
49.5
|
50.0
|
60.0
|
21.0
|
22.0
|
22.0
|
16.0
|
48.3
|
2
|
150
|
17.5
|
19.1
|
92.1
|
8.0
|
52.5
|
61.9
|
62.5
|
62.0
|
24.0
|
25.0
|
25.0
|
17.0
|
60.3
|
2 ¹/2
|
180
|
20.7
|
22.3
|
104.8
|
8.0
|
62.7
|
74.6
|
75.4
|
68.0
|
27.0
|
29.0
|
29.0
|
19.0
|
73.0
|
3
|
190
|
22.3
|
23.9
|
127.0
|
10.0
|
77.9
|
90.7
|
91.4
|
68.0
|
29.0
|
30.0
|
30.0
|
21.0
|
88.9
|
3 ¹/2
|
215
|
22.3
|
23.9
|
139.7
|
10.0
|
90.1
|
103.4
|
104.1
|
70.0
|
30.0
|
32.0
|
32.0
|
22.4
|
101.6
|
4
|
230
|
22.3
|
23.9
|
157.2
|
11.0
|
102.3
|
116.1
|
116.8
|
75.0
|
32.0
|
33.0
|
33.0
|
24.0
|
114.3
|
5
|
255
|
22.3
|
23.9
|
185.7
|
11.0
|
128.2
|
143.8
|
144.4
|
87.0
|
35.0
|
36.0
|
36.0
|
24.0
|
141.3
|
6
|
280
|
23.9
|
25.4
|
215.9
|
13.0
|
154.1
|
170.7
|
171.4
|
87.0
|
38.0
|
40.0
|
40.0
|
27.0
|
168.3
|
8
|
345
|
27.0
|
28.6
|
269.9
|
13.0
|
202.7
|
221.5
|
222.2
|
100.0
|
43.0
|
44.0
|
44.0
|
32.0
|
219.1
|
10
|
405
|
28.6
|
30.2
|
323.8
|
13.0
|
254.6
|
276.2
|
277.4
|
100.0
|
48.0
|
49.0
|
49.0
|
33.0
|
273.0
|
12
|
485
|
30.2
|
31.8
|
381.0
|
13.0
|
304.8
|
327.0
|
328.2
|
113.0
|
54.0
|
56.0
|
56.0
|
40.0
|
323.8
|
14
|
535
|
33.4
|
35.0
|
412.8
|
13.0
|
To
be
specified
by
purchaser
|
359.2
|
360.2
|
125.0
|
56.0
|
79.0
|
57.0
|
41.4
|
355.6
|
16
|
595
|
35.0
|
36.6
|
469.9
|
13.0
|
410.5
|
411.2
|
125.0
|
62.0
|
87.0
|
64.0
|
44.5
|
406.4
|
18
|
635
|
38.1
|
39.7
|
533.4
|
13.0
|
461.8
|
462.3
|
138.0
|
67.0
|
97.0
|
68.0
|
49.0
|
457.0
|
20
|
700
|
41.3
|
42.9
|
584.2
|
13.0
|
513.1
|
514.4
|
143.0
|
71.0
|
103.0
|
73.0
|
54.0
|
508.0
|
24
|
815
|
46.1
|
47.7
|
692.2
|
13.0
|
616.0
|
616.0
|
151.0
|
81.0
|
111.0
|
83.0
|
60.5
|
610.0
|
Dimensions in mm
Hub
Diameter
|
Drilling
|
Approximate Weight
|
Nominal
Pipe
Size
|
Bolt
Circle
Diameter
Holes
|
Diameter
of
Bolt
Holes
|
Number
of
Bolt
|
Welding
Neck
|
Slip On
Threaded
|
Lap
Joint
|
Blind
|
Socket
Welding
|
X
|
Kg
|
lb
|
Kg
|
lb
|
Kg
|
lb
|
Kg
|
lb
|
Kg
|
lb
|
30
|
60.3
|
15.9
|
4
|
0.51
|
1.1
|
0.47
|
1
|
0.51
|
1
|
0.47
|
1
|
0.47
|
1
|
¹/2
|
38
|
69.9
|
15.9
|
4
|
0.73
|
1.6
|
0.58
|
1.3
|
0.64
|
1.4
|
0.63
|
1.4
|
0.59
|
1.3
|
³/4
|
49
|
79.4
|
15.9
|
4
|
1.07
|
2.4
|
0.86
|
1.9
|
0.93
|
1.8
|
0.94
|
2.1
|
0.87
|
1.9
|
1
|
59
|
88.9
|
15.9
|
4
|
1.4
|
3.1
|
1.08
|
2.4
|
1.16
|
2
|
1.23
|
2.7
|
1.11
|
2.4
|
1 ¹/4
|
65
|
98.4
|
15.9
|
4
|
1.81
|
4
|
1.41
|
3.1
|
1.51
|
3.3
|
1.62
|
3.6
|
1.45
|
3.2
|
1 ¹/2
|
78
|
120.7
|
19.1
|
4
|
2.59
|
5.7
|
2.26
|
5
|
2.38
|
5.2
|
2.64
|
5.8
|
2.33
|
5
|
2
|
90
|
139.7
|
19.1
|
4
|
4.28
|
9.4
|
3.43
|
7.6
|
3.6
|
7.9
|
4.06
|
9
|
3.55
|
7.8
|
2 ¹/2
|
108
|
152.4
|
19.1
|
4
|
5.18
|
11.4
|
3.87
|
8.5
|
4.04
|
8.9
|
4.9
|
10.8
|
4.02
|
8.9
|
3
|
122
|
177.8
|
19.1
|
8
|
5.45
|
12
|
4.99
|
11
|
4.99
|
11
|
5.9
|
13
|
4.99
|
11
|
3 ¹/2
|
135
|
190.5
|
19.1
|
8
|
7.32
|
16.1
|
5.75
|
12.7
|
5.96
|
13
|
7.41
|
16.3
|
5.99
|
13.2
|
4
|
164
|
215.9
|
22.2
|
8
|
8.91
|
19.6
|
6.22
|
13.7
|
6.44
|
14
|
8.76
|
19.3
|
6.68
|
14.7
|
5
|
192
|
241.3
|
22.2
|
8
|
11.26
|
24.8
|
7.38
|
16.3
|
7.59
|
16.7
|
11.31
|
24.9
|
7.99
|
17.6
|
6
|
246
|
298.5
|
22.2
|
8
|
17.68
|
39
|
12.36
|
27.3
|
12.66
|
27.9
|
19.92
|
43.9
|
13.29
|
29.3
|
8
|
305
|
362
|
25.4
|
12
|
24.79
|
54.7
|
17.1
|
37.7
|
16.78
|
37
|
29.39
|
64.8
|
19.5
|
43
|
10
|
365
|
431.8
|
25.4
|
12
|
38.98
|
85.9
|
27.68
|
61
|
28.3
|
36.4
|
43.7
|
96.3
|
29.03
|
64
|
12
|
400
|
476.3
|
28.6
|
12
|
51.71
|
114
|
35.2
|
77.6
|
41.5
|
91.5
|
59.42
|
140
|
38.56
|
85
|
14
|
457
|
539.8
|
28.6
|
16
|
64.41
|
142
|
42.18
|
93
|
52.98
|
116.8
|
77.11
|
170
|
44.49
|
98
|
16
|
505
|
577.9
|
31.8
|
16
|
74.84
|
165
|
49.71
|
109.6
|
59
|
130
|
94.8
|
209
|
54.43
|
120
|
18
|
559
|
635
|
31.8
|
20
|
89.36
|
197
|
65.5
|
140
|
72.12
|
159
|
123.38
|
272
|
70.31
|
155
|
20
|
663
|
749.3
|
34.9
|
20
|
119.66
|
263.8
|
90.5
|
199.5
|
99.02
|
218.3
|
188.24
|
415
|
95.25
|
210
|
24
|
NOTES
1. Raised face height (f=2.0mm) not included in thickness (C) and length through hub (Y1, Y2)
2. For Slip-on, Threaded, Socket-Welding, lab Joint flanges, the hub shall be tapered 7° max. or vertical from base to top.
3. Blind Flanges may be made with the same hub as that used for Slip-On flanges or without hub.
ASME B16.5 CLASS 300 PIPE FLANGES
Dimensions in mm
Nominal
Pipe
Size
|
Outside
Diameter
|
Thickness
|
Thickness
of
Lap Joint
|
Raised
Face
Diameter
|
Corner
Radius
of
Bore
of
Lap
Joint
|
Bore
|
Diameter
Counter
Bore
Threaded
|
Length thru hub
|
Thread
Length
Threaded
Flange
(Min)
|
Depth
of
Socket
|
Welding
Neck
Socket
Welding
|
Slip-On
Socket
Welding
|
Lap
Joint
|
Welding
Neck
|
Slip-on
Threaded
Socket
Welding
|
Lap
Joint
|
o
|
c
|
C1
|
R
|
r
|
B1
|
B2
|
B3
|
Q
|
Y1
|
Y2
|
Y3
|
T
|
D
|
¹/2
|
95
|
12.7
|
14.3
|
34.9
|
3
|
15.8
|
22.2
|
22.9
|
23.6
|
51
|
21
|
22
|
16
|
10
|
³/4
|
115
|
14.3
|
15.9
|
42.9
|
3
|
20.9
|
27.7
|
28.2
|
29
|
56
|
24
|
25
|
16
|
11
|
1
|
125
|
15.9
|
17.5
|
50.8
|
3
|
26.6
|
34.5
|
34.9
|
35.8
|
60
|
25
|
27
|
18
|
13
|
1 ¹/4
|
135
|
17.5
|
19.1
|
63.5
|
5
|
35.1
|
43.2
|
43.7
|
44.4
|
64
|
25
|
27
|
21
|
14
|
1 ¹/2
|
155
|
19.1
|
20.7
|
73
|
6
|
40.9
|
49.5
|
50
|
50.3
|
67
|
29
|
30
|
23
|
16
|
2
|
165
|
20.7
|
22.3
|
92.1
|
8
|
52.5
|
61.9
|
62.5
|
63.5
|
68
|
32
|
33
|
29
|
17
|
2 ¹/2
|
190
|
23.9
|
25.4
|
104.8
|
8
|
62.7
|
74.6
|
75.4
|
76.2
|
75
|
37
|
38
|
32
|
19
|
3
|
210
|
27
|
28.6
|
127
|
10
|
77.9
|
90.7
|
91.4
|
92.2
|
78
|
41
|
43
|
32
|
21
|
3 ¹/2
|
230
|
28.6
|
30.2
|
139.7
|
10
|
90.1
|
103.4
|
104.1
|
104.9
|
79
|
43
|
44
|
37
|
---
|
4
|
255
|
30.2
|
31.8
|
157.2
|
11
|
102.3
|
116.1
|
116.8
|
117.6
|
84
|
46
|
48
|
37
|
---
|
5
|
280
|
33.4
|
35
|
185.7
|
11
|
128.2
|
143.8
|
144.4
|
144.4
|
97
|
49
|
51
|
43
|
---
|
6
|
320
|
35
|
36.6
|
215.9
|
13
|
154.1
|
170.7
|
171.4
|
171.4
|
97
|
51
|
52
|
47
|
---
|
8
|
380
|
39.7
|
41.3
|
269.9
|
13
|
202.7
|
221.5
|
222.2
|
222.2
|
110
|
60
|
62
|
51
|
---
|
10
|
445
|
46.1
|
47.7
|
323.8
|
13
|
254.6
|
276.2
|
277.4
|
276.2
|
116
|
65
|
95
|
56
|
---
|
12
|
520
|
49.3
|
50.8
|
381
|
13
|
304.8
|
327
|
328.2
|
328.6
|
129
|
71
|
102
|
61
|
---
|
14
|
585
|
52.4
|
54
|
412.8
|
13
|
To
be
specified
by
purchaser
|
359.2
|
360.2
|
360.4
|
141
|
75
|
111
|
64
|
---
|
16
|
650
|
55.6
|
57.2
|
469.9
|
13
|
410.5
|
411.2
|
411.2
|
144
|
81
|
121
|
69
|
---
|
18
|
710
|
58.8
|
60.4
|
533.4
|
13
|
461.8
|
462.3
|
462
|
157
|
87
|
130
|
70
|
---
|
20
|
775
|
62
|
63.5
|
584.2
|
13
|
513.1
|
514.4
|
512.8
|
160
|
94
|
140
|
74
|
---
|
24
|
915
|
68.3
|
63.9
|
692.2
|
13
|
616
|
616
|
614.4
|
167
|
105
|
152
|
83
|
---
|
Dimensions in mm
Diameter
Hub
at
Bevel
|
Hub
Diameter
|
Drilling
|
Approximate Weight
|
Nominal
Pipe
Size
|
Bolt
Circle
Diameter
Holes
|
Diameter
of
Bolt
Holes
|
Number
of
Bolt
|
Welding
Neck
|
Slip On
Threaded
|
Lap
Joint
|
Blind
|
Socket
Welding
|
A
|
X
|
kg
|
lb
|
kg
|
lb
|
kg
|
lb
|
kg
|
lb
|
kg
|
lb
|
21.3
|
38
|
66.7
|
15.9
|
4
|
0.78
|
1.7
|
0.62
|
1.4
|
0.61
|
1.3
|
0.62
|
1.4
|
0.62
|
1.4
|
¹/2
|
26.7
|
48
|
82.6
|
19.1
|
4
|
1.34
|
3
|
1.15
|
2.5
|
1.15
|
2.5
|
1.16
|
2.5
|
1.19
|
2.6
|
³/4
|
33.4
|
54
|
88.9
|
19.1
|
4
|
1.64
|
3.6
|
1.39
|
3.1
|
1.38
|
3
|
1.42
|
3
|
1.44
|
3.2
|
1
|
42.2
|
64
|
98.4
|
19.1
|
4
|
2.06
|
4.5
|
1.67
|
3.7
|
1.66
|
3.7
|
1.79
|
3.9
|
1.73
|
3.8
|
1 ¹/4
|
48.3
|
70
|
114.3
|
22.2
|
4
|
3.06
|
6.7
|
2.53
|
5.6
|
2.52
|
5.6
|
2.68
|
5.9
|
2.62
|
5.8
|
1 ¹/2
|
60.3
|
84
|
127
|
19.1
|
8
|
3.4
|
7.5
|
2.8
|
6.2
|
2.79
|
6.2
|
3.09
|
6.8
|
2.94
|
6.5
|
2
|
73
|
100
|
149.2
|
22.2
|
8
|
5.31
|
11.7
|
4.25
|
9.4
|
4.22
|
9.3
|
4.75
|
10.5
|
4.49
|
9.9
|
2 ¹/2
|
88.9
|
117
|
168.3
|
22.2
|
8
|
7.32
|
16.1
|
5.81
|
12.8
|
5.78
|
12.7
|
6.79
|
14.9
|
6.2
|
13.7
|
3
|
101.6
|
133
|
184.2
|
22.2
|
8
|
8.17
|
18
|
7.72
|
17
|
7.72
|
17
|
9.53
|
21
|
|
|
3 ¹/2
|
114.3
|
146
|
200
|
22.2
|
8
|
11.3
|
24.9
|
10.13
|
22.3
|
10.07
|
22.2
|
12
|
26.5
|
|
|
4
|
141.3
|
178
|
235
|
22.2
|
8
|
15.12
|
33.3
|
12.58
|
27.7
|
12.52
|
27.6
|
15.96
|
35.2
|
|
|
5
|
168.3
|
206
|
269.9
|
22.2
|
12
|
19.68
|
43.4
|
16.04
|
35.4
|
15.95
|
35.2
|
21.2
|
46.7
|
|
|
6
|
219.1
|
260
|
330.2
|
25.4
|
12
|
30.48
|
67.2
|
24.5
|
54
|
24.37
|
53.7
|
34.6
|
76.3
|
|
|
8
|
273
|
321
|
387.4
|
28.6
|
16
|
43.74
|
96.4
|
34.16
|
75.3
|
39.92
|
88
|
55.34
|
122
|
|
|
10
|
323.8
|
375
|
450.8
|
31.8
|
16
|
64.41
|
142
|
51.26
|
113
|
58.7
|
129.4
|
78.9
|
174
|
|
|
12
|
355.6
|
425
|
514.4
|
31.8
|
20
|
88.3
|
94.7
|
72.12
|
159
|
83.46
|
184
|
107.05
|
236
|
|
|
14
|
406.4
|
483
|
571.5
|
34.9
|
20
|
112.94
|
249
|
90.4
|
199.3
|
106.14
|
234
|
139.25
|
307
|
|
|
16
|
457
|
533
|
628.6
|
34.9
|
24
|
138.34
|
305
|
109
|
240.3
|
133.95
|
295.3
|
176.9
|
396
|
|
|
18
|
508
|
587
|
685.8
|
34.9
|
24
|
167.37
|
369
|
136
|
300
|
157.65
|
347.6
|
223.17
|
492
|
|
|
20
|
610
|
702
|
812.8
|
41.3
|
24
|
235.41
|
519
|
204
|
449.7
|
240.4
|
530
|
342
|
754
|
|
|
24
|
NOTES
1.Raised face height (f=2.0mm) not included in thickness (C) and length through hub (Y1, Y2)
2. For Slip-On, Threaded, Socket-Welding, lap Joint flanges, the hub shall be tapered 7° max. or vertical from base to top.
3. Blind Flanges may be made with the same hub as that used for Slip-On flanges or without hub.
|