1. FLANGE з° µ FLANGE ǥ

 

MAX.ALLOWABLE PRESSURE(P.S.I.G.)

µ[LB/°F]

150 LB

300 LB

400 LB

600LB

900 LB

1500 LB

CARBON
STEEL

100
200
300
400

285
260
230
200

740
675
655
635

990
900
875
845

1480
1350
1315
1270

2220
2025
1970
1900

3705
3375
3280
3170

500
600
650
700
750

170
140
125
110
95

600
550
535
535
505

800
730
715
710
670

1200
1095
1075
1065
1010

1795
1640
1610
1600
1510

2995
2735
2685
2665
2520

800
850
900
950
1000

80
65
50
35
20

410
270
170
105
50

550
355
230
140
70

825
535
345
205
105

1235
805
515
310
155

2060
1340
860
515
260

304
S.S.

100
200
300
400
500

275
235
205
180
170

720
600
530
470
435

960
800
705
630
585

1440
1200
1055
940
875

2160
1800
1585
1410
1310

3600
3000
2640
2350
2185

600
700
800
900
1000

140
110
80
50
20

415
405
395
385
325

555
540
525
510
430

830
805
790
770
645

1245
1210
1180
1150
965

2075
2015
1970
1920
1610

1100
1200
1300
1400
1500

-
-
-
-
-

260
115
85
50
25

345
205
110
65
30

515
310
165
90
50

770
465
245
145
70

1285
770
410
240
120

316
S.S.

100
200
300
400
500

275
240
215
195
170

720
620
560
515
480

960
825
745
685
635

1440
1240
1120
1030
955

2160
1860
1680
1540
1435

3600
3095
2795
2570
2390

600
700
800
900
1000

140
110
80
50
20

450
430
415
395
365

600
575
555
525
485

905
865
830
790
725

1355
1295
1245
1180
1090

2255
2160
2075
1970
1820

1100
1200
1300
1400
1500

-
-
-
-
-

325
205
140
75
40

430
275
185
100
65

645
410
275
150
85

965
620
410
225
125

1610
1030
685
380
205

304L
316L
S.S.

100
200
300
400

230
195
175
160

600
505
455
415

800
675
605
550

1200
1015
910
825

1800
1520
1360
1240

3000
2530
2270
2065

500
600
700
800

145
140
110
80

380
360
345
330

510
480
460
440

765
720
685
660

1145
1080
1030
985

1910
1800
1715
1645

 

 

 ANSI FLANGE ԰ ġ

 

Ͼ/ڷ/÷԰
150# ANSI Blind Flanges
 
Nominal
Pipe
Size
"A"
(O.D.)
"B"
(Thk.)
"C"
(RF Dia.)
"D"
(B.C.D.)
# Bolt
Holes
Dia. of
Bolt Holes
Approx.
Weight
               

 1/2"

3-1/2
7/16
1-3/8
2-3/8
4
5/8
2

 3/4"

3-7/8
1/2
1-11/16
2-3/4
4
5/8
2

 1"

4-1/4
9/16
2
3-1/8
4
5/8
2

 1-1/4"

4-5/8
5/8
2-1/2
3-1/2
4
5/8
3

 1-1/2"

5
11/16
2-7/8
3-7/8
4
5/8
3

 2"

6
3/4
3-5/8
4-3/4
4
3/4
4

 2-1/2"

7
7/8
4-1/8
5-1/2
4
3/4
7

 3"

7-1/2
15/16
5
6
4
3/4
9

 3-1/2"

8-1/2
15/16
5-1/2
7
8
3/4
13

 4"

9
15/16
6-3/16
7-1/2
8
3/4
17

 5"

10
15/16
7-5/16
8-1/2
8
7/8
20

 6"

11
1
8-1/2
9-1/2
8
7/8
27

 8"

13-1/2
1-1/8
10-5/8
11-3/4
8
7/8
47

 10"

16
1-3/16
12-3/4
14-1/4
12
1
67

 12"

19
1-1/4
15
17
12
1
123

 14"

21
1-3/8
16-1/4
18-3/4
12
1-1/8
139

 16"

23-1/2
1-7/16
18-1/2
21-1/4
16
1-1/8
187

 18"

25
1-9/16
21
22-3/4
16
1-1/4
217

 20"

27-1/2
1-11/16
23
25
20
1-1/4
283

 24"

32
1-7/8
27-1/4
29-1/2
20
1-3/8
415
 1/16"raised face included in flange thickness.


300# ANSI Blind Flanges
Nominal
Pipe
Size
"A"
(O.D.)
"B"
(Thk.)
"C"
(RF Dia.)
"D"
(B.C.D.)
#Bolt
Holes
Dia. of
Bolt Holes
Approx.
Weight

 1/2"

3-3/4
9/16
1-3/8
2-5/8
4
5/8
2

 3/4"

4-5/8
5/8
1-11/16
3-1/4
4
3/4
3

 1"

4-7/8
11/16
2
3-1/2
4
3/4
4

 1-1/4"

5-1/4
3/4
2-1/2
3-7/8
4
3/4
6

 1-1/2"

6-1/8
13/16
2-7/8
4-1/2
4
7/8
7

 2"

6-1/2
7/8
3-5/8
5
8
3/4
8

 2-1/2"

7-1/2
1
4-1/8
5-7/8
8
7/8
12

 3"

8-1/4
1-1/8
5
6-5/8
8
7/8
16

 3-1/2"

9
1-3/16
5-1/2
7-1/4
8
7/8
21

 4"

10
1-1/4
6-3/16
7-7/8
8
7/8
28

 5"

11
1-3/8
7-5/16
9-1/4
8
7/8
37

 6"

12-1/2
1-7/16
8-1/2
10-5/8
12
7/8
48

 8"

15
1-5/8
10-5/8
13
12
1
79

 10"

17-1/2
1-7/8
12-3/4
15-1/4
16
1-1/8
122

 12"

20-1/2
2
15
17-3/4
16
1-1/4
183

 14"

23
2-1/8
16-1/4
20-1/4
20
1-1/4
241

 16"

25-1/2
2-1/4
18-1/2
22-1/2
20
1-3/8
315

 18"

28
2-3/8
21
24-3/4
24
1-3/8
414

 20"

30-1/2
2-1/2
23
27
24
1-3/8
515

 24"

36
2-3/4
27-1/4
32
24
1-5/8
800
 1/16"raised face included in flange thickness.

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