Technical Infomation

Flanges Dimensions

Normal
pipe
size

Outside
dia. of
flange

Minimum
thickness
of flange

Overall         Length

Bolt 
Circle

No. and
Size of
Holes

O.D. of
raised
face

Welding
neck

Slip-on
& socket
welding

Lap Joint

 

O

Q

Y

Diam.

No.

dia.

R

1/2

89

11.2

47.6

15.9

15.9

60.5

4

15

35

3/4

117

15.9

57.2

25.4

25.4

82.5

4

15

43

1

108

14.3

55.6

17.5

17.5

79.5

4

15

51

1.1/4

117

15.9

57.2

20.6

20.6

89.0

4

15

64

1.1/2

127

17.5

61.9

22.2

22.2

98.5

4

15

73

2

152

19.1

63.5

25.4

25.4

120.5

4

19

92

2.1/2

178

22.3

69.8

28.6

28.6

139.5

4

19

105

3

190

23.9

69.8

30.2

30.2

152.5

4

19

127

3.1/2

216

23.9

71.4

31.8

31.8

178.0

8

19

140

4

229

23.9

86.2

33.3

33.3

190.5

8

19

157

5

254

23.9

88.9

36.5

36.5

216.0

8

22

186

6

279

25.4

88.9

39.7

39.7

241.5

8

22

216

8

343

28.6

101.6

44.4

44.4

298.5

8

22

270

10

406

30.2

101.6

49.2

49.2

362.0

12

25

324

12

483

31.8

114.3

55.6

55.6

432.0

12

25

381

14

533

35.0

127.0

57.2

79.4

476.0

12

29

413

16

597

36.6

127.0

63.5

87.3

539.5

16

29

470

18

635

39.7

139.7

68.3

96.8

578.0

16

32

533

20

698

42.9

144.5

73.0

103.2

635.0

20

32

584

24

813

47.7

152.4

82.6

111.1

749.5

20

35

692

 

300 LB. FLANGES

Normal
pipe
size

Outside
dia. of
flange

Minimum
thickness
of flange

Overall Length

Bolt 
Circle

No. and 
Size of
Holes

O.D. of
raised
face

Welding 
neck

Slip-on
& socket
welding

Lap Joint

 

O

Q

Y

Diam.

No.

dia.

R

1/2

95

14.3

52.4

22.2

22.2

666.5

4

15

35

3/4

117

15.9

57.2

25.4

25.4

82.4

4

19

43

1

124

17.5

61.9

27.0

27.0

89.0

4

19

51

1-1/4

133

19.1

65.1

27.0

27.0

98.5

4

19

64

1-1/2

156

20.7

68.3

30.2

30.2

114.5

4

22

73

2

165

22.3

69.8

33.3

33.3

127.0

8

19

92

2-1/2

190

25.4

76.2

38.1

38.1

149.0

8

22

105

3

210

28.6

79.4

42.9

42.9

168.0

8

22

127

4

254

318

85.7

47.6

47.6

200.0

8

22

157

5

279

35.0

98.4

50.8

50.8

235.0

8

22

186

6

313

36.6

98.4

52.4

52.4

270.0

12

22

216

6

381

413

111.1

61.9

91.9

330.0

12

25

270

10

444

47.7

117.5

66.7

95.3

387.5

16

29

324

12

521

50.8

130.2

73.0

101.6

451.0

16

32

381

14

584

54.0

142.9

76.2

111.1

514.5

20

32

413

16

648

57.2

146.0

82.6

120.7

571.5

20

35

470

18

711

60.4

158.8

88.9

130.2

628.5

24

35

533

20

775

63.5

161.9

95.2

139.7

686.0

24

35

584

24

914

69.9

168.3

106.4

152.4

843.0

24

41

692

600 LB. FLANGES

Normal
pipe
size

Outside
dia. of
flange

Minimum
thickness of
flange

Overall Length

Bolt Circle

No. and
Size of
Holes

O.D. of
raised
face

Welding neck

Slip-on 
& socket
welding

Lap Joint

O

Q

Y

Diam.

No.

dia.

R

1/2

95

14.3

52.4

22.2

22.2

66.5

4

15

35

3/4

117

15.9

57.2

25.4

25.4

82.5

4

19

43

1

124

17.5

61.9

27.0

27.0

89.0

4

19

51

1-1/4

133

20.7

66.7

28.6

28.6

98.5

4

19

64

1-1/2

156

22.3

69.8

31.8

31.8

114.5

4

22

73

2

165

25.4

73.0

36.5

36.5

127.0

8

19

92

2-1/2

190

28.6

79.4

41.3

41.3

149.0

8

22

105

3

210

31.8

82.6

46.0

46.0

168.0

8

22

127

3-1/2

229

35.0

85.7

49.2

49.2

184.0

8

25

140

4

273

38.1

101.6

54.0

54.0

216.0

8

25

157

5

330

44.5

114.3

60.3

60.3

266.5

8

29

186

6

356

47.7

117.5

66.7

66.7

292.0

12

29

216

8

419

55.6

133.4

76.2

76.2

349.0

12

32

270

10

508

63.5

152.4

85.7

115.1

432.0

16

85

324

12

559

66.7

155.6

92.1

111.1

489.0

20

35

381

14

603

69.9

165.1

93.7

117.5

527.0

20

38

413

16

686

76.2

177.8

106.4

127.0

603.0

20

41

470

18

743

82.6

184.2

117.6

139.7

654.0

20

45

533

20

813

88.9

190.5

127.0

165.1

724.0

24

45

584

24

940

101.6

203.2

139.7

184.2

838.0

24

51

692

900 LB. FLANGES

Normal
pipe
size

Outside
dia. of
flange

Minimum
thickness of
flange

Overall Length

Bolt
Circle

No. and 
Size of 
Holes

O.D. of
raised
face

Welding neck

Slip-on

socket 
welding

Lap Joint

O

Q

Y

Diam.

No.

dia.

R

1/2

121

22.3

60.3

31.8

31.8

82.5

4

22

35

3/4

130

25.4

69.8

34.9

34.9

89.0

4

22

43

1

149

28.6

78.0

41.3

41.3

101.5

4

25

51

1-1/4

159

28.6

78.0

41.3

41.3

111.0

4

25

64

1-1/2

178

31.8

82.6

44.4

44.4

124.0

4

29

78

2

216

38.1

101.6

57.2

57.2

165.0

8

25

92

2-1/2

244

41.3

104.8

63.5

63.5

190.5

8

29

105

8

241

38.1

101.6

54.0

54.0

190.5

8

25

127

3-1/2

4

292

44.5

114.3

69.8

69.8

235.0

8

32

157

5

349

50.8

127.0

79.4

79.4

279.5

8

35

186

6

381

55.6

189.7

85.7

85.7

317.5

12

32

216

8

470

68.5

161.9

101.8

114.3

393.5

12

38

270

10

546

69.9

184.2

108.0

127.0

470.0

16

38

324

12

610

79.4

200.0

117.5

142.9

533.5

20

38

381

14

584

54.0

142.9

76.2

111.1

514.5

20

32

413

16

711

60.4

158.8

88.9

130.2

628.5

24

35

533

20

775

63.5

161.9

95.2

139.7

686.0

24

35

584

24

914

69.9

168.3

106.4

152.4

843.0

24

41

692

1500 LB. FLANGES

Normal
pipe
size

Outside
dia. of
flange

Minimum 
thickness
of flange

Overall          Length

Bolt 
Circle

No. and
Size of 
Holes

O.D. 
of raised
face

Welding
neck

Slip-on

socket 
welding

Lap 
Joint

O

Q

Y

Diam.

No.

dia.

R

1/2

12.1

22.3

60.3

31.8

31.8

82.5

4

22

35

3/4

130

25.4

69.8

34.9

34.9

89.0

4

22

43

1

149

28.6

73.0

41.3

41.3

101.5

4

25

51

1-1/4

159

28.6

73.0

41.3

41.3

111.0

4

25

64

1-1/2

178

31.8

82.6

44.4

44.4

124.0

4

29

73

2

216

38.1

101.6

57.2

57.2

165.0

8

25

92

2-1/2

244

41.3

104.8

63.5

63.5

190.5

8

29

105

3

267

47.7

117.5

73.0

73.0

203.0

8

32

127

3-1/2

4

311

54.0

123.8

90.5

90.5

241.5

8

35

157

5

375

73.1

155.5

104.8

104.8

292.0

8

41

186

6

394

82.6

171.4

119.1

119.1

317.5

12

38

216

8

483

92.1

212.7

142.9

142.9

393.5

12

45

270

10

584

108.0

254.0

158.8

177.8

482.5

12

51

324

12

673

123.9

282.9

181.0

219.1

571.5

16

54

381

14

749

133.4

298.4

-----

241.3

635.0

16

60

413

16

826

146.1

311.2

-----

260.4

705.0

16

51

470

18

914

162.0

327.0

------

276.2

474.5

16

73

538

20

984

117.8

355.4

-----

292.1

832.0

16

80

584

24

1168

203.2

406.4

-----

330.2

990.5

16

92

692

2500 LB. FLANGES

Normal
pipe
size

Outside
dia. of
flange

Minimum
thickness
of flange

Overall          Length

Bolt
Circle

No. and
Size of
Holes

O.D. of
raised
face

Welding
neck

Slip-on
&
socket
welding

Lap
Joint

O

Q

Y

Diam.

No.

dia.

R

1/2

133.4

30.2

73.0

39.7

39.7

88.9

4

22

34.9

3/4

139.7

31.8

79.4

42.9

42.9

95.3

4

22

42.9

1

158.8

34.9

88.9

47.6

47.6

108.0

4

25

50.8

1-1/4

184.2

38.1

95.3

52.4

52.4

130.2

4

29

63.5

1-1/2

203.2

44.5

111.1

60.3

60.3

146.0

4

32

73.0

2

235.0

50.8

127.0

69.9

69.9

171.5

8

29

92.1

2-1/2

266.7

57.2

142.9

79.4

79.4

196.9

8

32

104.8

3

304.8

66.7

168.3

92.1

92.1

228.6

8

35

127.0

3-1/2

4

355.6

76.2

190.5

108.0

108.0

273.0

8

41

157.2

5

419.1

92.1

228.6

130.2

130.2

323.9

8

48

185.7

6

482.6

108.0

273.1

152.4

152.4

268.3

8

54

215.9

8

552.5

127.0

317.5

177.8

177.8

438.2

12

54

269.9

10

673.1

165.1

419.1

228.6

228.6

539.8

12

67

323.9

12

762.0

184.2

463.6

254.0

254.0

619.1

12

73

381.03

14

---

---

---

---

---

---

--

---

---

16

---

---

---

---

---

---

--

---

---

18

---

---

---

---

---

---

--

---

--

20

---

---

---

---

---

---

--

---

--

24

---

---

---

---

---

---

--

---

--

 WELDING NECK FLANGE BORES


Nom.
pipe
Size

Outside
Diam

Light
Wall
6

Sched.
20

Sched.
30

Std.
Wall

Sched.
40

Sched.
60

Extra
Strong

Sched.
80

Sched.
100

Sched.
120

Sched.
140

Sched.
160

Double
Extra
Strong

1/2
3/4
1

0.840
1.050
1.315

.674
.884
1.097

.....
.....
....

.....
.....
....

0.622
0.824
1.049

0.622
0.824
1.049

.....
.....
....

0.546
0.742
0.957

0.546
0.742
0.957

.....
.....
....

.....
.....
....

.....
.....
....

0.464
0.612
0.815

0.252
0.434
0.599

1-1/4
1-1/2
2

1.660
1.900
2.375

1.442
1.682
2.157

.....
.....
....

.....
.....
....

1.380
1.610
2.067

1.380
1.610
2.067

.....
.....
....

1.278
1.500
1.939

1.278
1.500
1.939

.....
.....
....

.....
.....
....

.....
.....
....

1.160
1.338
1.687

0.896
1.100
1.503

2-1/2
3
3-1/2

2.875
3.500
4.000

2.635
3.260
3.760

.....
.....
....

.....
.....
....

2.469
3.068
3.548

2.469
3.068
3.548

.....
.....
....

2.323
2.900
3.364

2.323
2.900
3.364

.....
.....
....

....
....
....

.....
.....
....

2.125
2.624
....

1.771
2.300
2.728

4
5
6
8

4.500
5.563
6.625
8.625

4.260
5.295
6.357
8.329

...
...
...
8.125

...
...
...
8.071

4.026
5.047
6.065
7.981

4.026
5.047
6.065
7.981

...
....
...
7.813

3.826
4.813
5.761
7.625

3.826
4.813
5.761
7.625

...
...
...
7.437

3.624
4.563
5.501
7.187

...
...
...
7.001

3.438
4.313
5.187
6.813

3.152
4.063
4.897
6.875

10
12
14
16

10.750
12.750
14.000
16.000

10.420
12.390
13.500
15.500

10.250
12.250
13.376
15.376

10.136
12.090
13.250
15.250

10.020
12.000
13.250
15.250

10.020
11.938
13.124
15.000

9.750
11.626
12.812
14.688

9.750
11.750
13.000
15.000

9.562
11.374
12.500
14.312

9.312
11.062
12.124
13.938

0.062
10.750
11.814
13.564

8.750
10.500
11.500
13.124

8.500
10.500
11.500
13.124

8.750
10.750
....
....

18
20
24

18.000
20.000
24.000

17.500
19.500
23.500

17.376
19.250
23.250

17.124
19.000
22.876

17.250
19.250
23.250

16.876
18.812
22.624

16.500
18.376
22.062

17.000
19.000
23.000

16.124
17.938
21.562

15.688
17.438
20.938

15.250
17.000
20.376

14.876
16.500
19.876

14.438
16.062
19.312

....
....
....

30
36
42

30.000
36.000
42.000

29.376
35.376
......

29.000
35.000

28.750
34.750

29.250
35.250
41.250

....
34.500
....

....
.....
....

29.000
35.000
41.000

....
.....
....

....
.....
....

....
.....
....

....
.....
....

....
.....
....

....
.....
....

DIN 2527


NW

D

Flange

k

Raised Face

Number

Bolts

Bolts

Dia. of 
Bolt
Hole

Weight of
One Flange
(7.85 kg/dm3)

 

b

d4

f

d2

Type-B
kg

Type-C
kg

 

ND-6

10
15
20

75
80
90

12
12
14

50
55
65

35
40
50

2
2
2

4
4
4

M10
M10
M10

-
-
-

11.5
11.5
11.5

0.38
0.44
0.65

0.33
0.38
0.59

25
32
40

100
120
130

14
14
14

75
90
100

60
70
80

2
2
3

4
4
4

M10
M12
M12

-
(1/2")
(1/2")

11.5
14.0
14.0

0.82
1.17
1.39

0.74
1.07
1.21

50
65
80

140
160
190

14
14
16

110
130
150

90
110
128

3
3
3

4
4
4

M12
M12
M16

(1/2")
(1/2")
(3/8")

14
14
18

1.62
2.44
3.43

1.43
2.21
3.09

100
125
150

210
240
265

16
18
18

170
200
225

148
178
202

3
3
3

4
8
8

M16
M16
M16

(5/8")
(5/8")
(5/8")

18
18
18

4.76
6.11
7.51

4.37
5.68
7.02

(175)
200
250

295
320
375

20
20
22

255
280
335

232
258
312

3
3
3

8
8
12

M16
M16
M16

(5/8")
(5/8")
(5/8")

18
18
18

10.4
12.3
18.3

9.85
11.7
17.6

300
350
400
500

440
490
540
645

22
22
22
24

395
445
495
600

365
415
465
570

4
4
4
4

12
12
16
20

M20
M20
M20
M20

(3/4")
(3/4")
(3/4")
(3/4")

23
23
23
23

25.3
31.6
38.4
60.4

24.0
30.1
36.4
58.1

ND-10
(Note from 10 mm to 175 mm see ND-16

200
250
300

340
395
445

24
26
26

295
350
400

268
320
370

3
3
4

8
12
12

M20
M20
M20

(3/4")
(3/4")
(3/4")

23
23
23

16.5
24.0
30.9

15.6
23.1
29.4

350
400
500

505
565
670

26
26
28

460
515
620

430
482
585

4
4
4

16
16
20

M20
M24
M24

(3/4")
(3/4")
(3/4")

23
27
27

40.6
49.4
75.0

38.0
47.5
72.7

ND-16
Note : For DIN 2527 ND-10-4 Holes

10
15
20

90
95
105

14
14
16

60
65
75

40
45
58

2
2
2

4
4
4

M12
M12
M12

(1/2")
(1/2")
(1/2")

14
14
14

0.63
0.72
1.01

0.56
0.64
0.93

25
32
40

115
140
150

14
14
16

60
65
75

40
45
58

2
2
2

4
4
4

M12
M16
M16

(1/2")
(5/8")
(5/8")

14
18
18

1.23
1.80
2.09

1.13
1.66
1.85

50
65
80

165
185
200

18
18
20

125
145
160

102
122
138

3
3
3

4
4
4/8

M16
M16
M16

(5/8")
(5/8")
(5/8")

18
18
18

2.88
3.66
4.77

2.59
3.33
4.34

100
125
150

220
250
285

20
22
22

180
210
240

158
188
212

3
3
3

8
8
8

M16
M16
M16

(5/8")
(5/8")
(5/8")

18
18
18

2.88
3.66
4.77

2.59
3.33
4.34

100
125
150

220
250
285

20
22
22

180
210
240

158
188
212

3
3
3

8
8
8

M16
M16
M20

(5/8")
(5/8")
(3/4")

18
18
23

5.65
8.42
10.4

5.26
7.67
9.85

(175)
200
250

315
340
405

24
24
26

270
295
355

242
268
320

3
3
3

8
12
12

M20
M20
M20

(3/4") 
(3/4") 
(7/8")

23
23
27

14.0
16.1
24.9

13.5
15.6
23.9

300
350
400

460
520
580

28
30
32

410
470
525

378
438
490

4
4
4

12
16
16

M24
M24
M27

(7/8")
(7/8")
(1")

27
27
30

35.1
47.8
63.5

33.6
46.2
61.5

500

715

34

650

610

4

20

M30

(1-1/8")

33

102

99.5

ND-25
Note: From 10mm to 150 mm
see ND-40

(175)
200
250

330
360
425

28
30
32

280
310
370

248
278
335

3
3
3

12
12
12

M24
M24
M24

(7/8")
(7/8")
(1")

27
27
30

17.3
22.3
33.5

16.5
21.5
32.5

300
350
400

485
555
620

34
38
40

430
490
550

395
450
505

4
4
4

16
16
16

M27
M30
M33

(1")
(1-1/8")
(1- 1/4")

30
33
36

46.3
68.0
89.7

44.7
65.9
87.0

500

730

44

660

615

4

20

M33

(1-1/4")

36

138

134

ND-40

10
15
20

90
95
105

16
16
16

60
65
75

40
45
58

2
2
2

4
4
4

M12
M12
M12

(1/2")
(1/2")
(1/2")

14
14
14

0.72
0.81
1.24

0.62
0.74
1.05

25
32
40

115
140
150

18
18
18

85
100
110

68
78
88

2
2
2

4
4
4

M12
M12
M12

(1/2")
(5/8")
(5/8")

14
18
18

1.38
2.03
2.35

1.31
1.82
2.11

50
65
80

165
185
200

20
22
24

125
145
160

102
122
138

3
3
3

4
8
8

M16
M16
M16

(5/8") 
(5/8") 
(5/8")

18
18
18

3.20
4.29
5.88

2.91
4.13
5.21

100
125
150

235
270
300

24
26
28

190
220
250

162
188
218

3
3
3

8
8
8

M20
M24
M24

(3/4")
(7/8") 
(7/8")

23
27
27

7.54
10.8
14.5

7.08
10.4
13.9

175
200
250

350
375
450

32
34
38

295
320
385

260
285
345

3
3
3

12
12
12

M27
M27
M27

(1")
(1")
(1-1/8")

30
30
30

22.1
27.2
43.8

21.3
26.2
43.1

300
350
400

515
580
660

42
46
50

450
510
585

410
465
535

4
4
4

16
16
16

M30
M33
M36

(1-1/8")
(1-1/8")
(1-1/8")

33
36
39

63.3
89.5
127

62.2
87.2
124

500

755

52

670

615

4

20

M39

(1-1/2")

42

172

168

DIN 2576

FLANGES, SLIP-ON TYPE FOR BRITISH OR WELDING NOMINAL PRESSURE 10


Pipe

Flange

Bolts

Weight of
one flange
7.85 kg/
dm3) kg

NW

d1

ds

D

b1

k

Number

Thread

d2

10

14
17.2)

14.5
17.7

90

14

60

4

M12

(1/2")

14

0.613
0.605

15

20
21.3)

20.5
21.8

95

14

65

4

M12

(1/2")

14

0675
0.669

20

25
26.9)

25.5
27.4

105

16

75

4

M12

(1/2")

14

0.947
0.936

25

30
33.7)

30.5
34.2

115

16

85

4

M12

(1/2")

14

1.14
1.11

32

38
42.4)

38.5
42.9

140

16

100

4

M16

(5/8")

18

1.66
1.62

40

44.5
48.3)

45
48.8

150

16

110

4

M16

(5/8")

18

1.89
1.86

50

57
60.3)

57.5
60.8

165

18

125

4

M16

(5/8")

18

2.51
2.47

65

76.1)

76.6

185

18

145

4

M16

(5/8")

18

3.00

80

88.9)

89.4

200

20

160

4

M16

(5/8")

18

3.79

100

108
114.3)

108.5
114.8

220

20

180

8

M16

(5/8")

18

4.20
4.03

125

133
139.7)

133.5
140.2

250

22

210

8

M16

(5/8")

18

5.71
5.46

150

159
168.3)

159.5
168.8

285

22

210

8

M16

(3/4")

23

6.72
6.57

175

191
193.7)

192
194.7

315

24

270

8

M20

(3/4")

23

8.60
8.45

200

216
219.1)

216
220.1

340

24

295

8

M20

(3/4")

23

9.50
9.31

250

267
273)

268
274

395

26

350

12

M20

(3/4")

23

12.5
11.9

400

406.4
419

407.4
420

565

32

515

16

M24

(7/8")

27

27.9
25.9

500

508)
521

509
522

670

38

620

20

M24

(7/8")

27

37.9
41.1

DIN 2632


WELDING NECK FLANGES FOR NOMINAL PRESSURE 10


Pipe

Flange

Neck

Raised
face

Bolts

Weight of
one flange
7.85 kg/dm3)
kg

NW

d1

D

b

k

h1

d3

s

f

h2

d4

f

No.

Thread

d2

200

216

340

24

295

62

232

5.9

10

16

268

3

8

M20

(3/4")

23

11.3

219.1

235

250

267

395

26

350

68

285

6.3

12

16

320

3

12

14.7

273

295

300

318

445

26

400

68

335

7.1

12

16

370

4

17.6

323.9

344

350

355.6

505

26

460

68

385

7.1

12

16

430

4

16

M24

(3/8")

27

368

21.4

400

406.4

565

26

515

72

440

7.1

12

16

482

4

419

26.1

500

508

670

28

620

75

542

7.1

12

16

585

4

20

521

34.7

600

609.6

780

28

725

80

642

7.1

12

18

685

5

M27

(1")

30

622

42.2

DIN 2633

WELDING NECK FLANGES NOMINAL PRESSURE 16


Pipe

Flange

Neck

Raised
face

Bolts

Weight of 
one flange
7.85 kg/dm3)
kg

NW

d1

D

b

k

h1

d3

s

r

h2

d4

f

No.

Thread

d2

10

14

90

14

60

35

25

1.8

4

6

40

2

4

M12

(1/2")

14

0.580

17.2

28

15

20

95

14

65

35

30

2

4

6

45

2

0.648

21.3

32

20

25

105

16

85

38

42

2.3

4

6

58

2

0.952

26.9

45

25

30

115

16

85

38

42

2.6

4

6

68

2

1.14

33.7

45

32

38

140

16

100

40

52

2.6

4

6

78

2

M16

(5/8")

18

1.69

42.4

56

40

44.5

150

16

100

40

60

2.6

6

6

88

3

1.86

48.3

64

50

57

165

18

125

45

72

2.9

6

8

102

3

2.53

60.3

75

65

76.1

185

18

145

45

90

2.9

6

10

122

3

306

80

88.9

200

20

160

50

105

3.2

8

10

138

3

4/8

3.70

100

108

220

20

180

52

125

3.6

8

12

158

3

8

4.62

114.3

131

125

133

250

22

210

55

150

4

8

12

188

3

6.30

139.7

156

150

159

285

22

240

55

150

4

8

12

188

3

M20

(3/4")

23

7.75

168.3

156

175

191

315

24

270

60

208

5.4

10

12

242

3

8

M20

(3/4")

23

10.0

193.7

210

200

216

340

24

295

62

232

5.9

10

16

268

3

12

219.1

235

11.0

250

267

405

26

355

70

285

6.3

12

16

320

3

M24

(7/8")

27

15.6

273

292

300

318

460

28

410

78

388

7.1

12

16

378

4

22.0

323.9

344

350

355.6

520

30

470

82

390

8

12

16

438

4

16

368

28.7

400

406.4

580

32

525

85

445

8

12

16

490

4

M27

(1")

30

419

36.3

500

508

715

34

650

90

548

8

12

16

610

4

20

M30

(1-1/8")

33

521

59.3

600

609.6

840

36

770

95

652

8.8

12

18

725

5

M33

(1-1/4")

36

622

73.4

700

711.2

910

36

840

100

755

8.8

12

18

795

5

24

720

75.0

800

812.8

1025

38

950

105

855

10

12

20

900

5

M36

(1-3/8")

39

820

99.0

900

914.4

1125

40

1050

110

955

10

12

20

1000

5

28

920

119

1000

1016

1255

42

1170

120

1058

10

16

22

1115

5

M39

(1-1/2")

42

1020

159

DIN 2634


WELDING NECK FLANGE NOMINAL PRESSURE 25


Pipe

Flange

Neck

Raised
face

Bolts

Weight of
one flange
(7.85 kg/dm3)
kg.

NW

d1

D

b

k

h1

d3

s

r

h2

d4

f

No.

Thread

d2

175

(191)

330

28

280

75

215

5.6

10

15

248

3

12

M24

(7/8")

27

13.4

193.7

218

200

216

360

30

310

80

240

6.3

10

16

278

3

17.0

219.1

244

250

267

425

32

370

88

292

7.1

12

18

335

3

M27

(1")

30

24.4

273

298

300

318

485

34

430

92

345

8

12

18

395

4

16

323.9

352

31.2

350

355.6

555

38

490

100

398

8

12

20

450

4

M30

(1-1/8")

33

368

45.0

400

406.4

620

40

550

110

452

8.8

12

20

505

4

419

58.7

500

508

730

44

660

125

558

10

12

20

615

4

20

M33

(1-1/4")

36

521

86.1

600

609.6

845

46

770

125

660

11

12

20

720

5

M36

(1-3/8")

39

622

101

DIN 2642, DIN Connections


LOOSE FLANGE FOR FLANGE COLLAR PN 10


Nom
Pipe 
size

Flange
D
mm

d5
mm

b
mm

r
mm

k
mm

Drilling
Number

d2
mm

Weight
kg

Collar
g
mm

10
15
20

90
95
105

16
23
28

16
16
16

5
5
5

60
65
75

4
4
4

15
15
15

0.23
0.26
0.30

45
50
60

25
32
40

115
140
150

33
42
50

16
16
16

5
5
5

85
100
110

4
4
4

15
18
18

0.37
0.54
0.5

70
82
0.92

50
65
80

165
185
200

62
81
94

18
18
20

5
5
5

125
145
160

4
4
4

18
18
18

0.80
0.90
1.28

107
127
142

100
125
150

220
250
285

113
138
164

20
22
22

5
6
6

180
210
240

8
8
8

18
18
22

1.37
1.78
2.27

162
192
218

175
200
250

315
340
395

195
222
273

24
24
26

6
7
7

270
295
350

8
8
12

22
22
22

2.90
3.16
4.22

248
273
328

300
350
400

445
505
565

324
374
426

26
26
32

7
8
8

400
460
515

12
16
16

22
22
25

4.80
5.85
8.45

378
438
490

450
500
600

615
670
780

475
530
630

32
34
36

8
8
10

565
620
725

20
20
20

25
25
30

9.45
11.35
15.30

540
595
695

700
800

895
1015

730
832

40
44

10
10

840
950

24
24

30
34

21.40
30.50

810
916

DIN 2635

 

WELDING NECK FLANGES NOMINAL PRESSURE 40


Pipe

Flange

Neck

Raised

Bolts

Weight of
one flange
7.85 kg/dm3)
kg

NW

d1

D

b

k

h1

d3

s

r

h2

d4

f

No.

Thread

d2

10

14

90

16

60

35

25

1.8

4

6

40

2

4

M12

(1/2")

14

0.661

17.2

28

15

20

95

16

65

38

30

2

4

6

45

2

0.746

21.3

32

20

25

105

18

75

40

38

2.3

4

6

58

2

106

26.9

40

25

30

115

18

85

40

42

2.6

4

6

68

2

1.29

33.7

46

32

38

140

18

100

42

52

2.6

6

6

78

2

1.88

42.4

56

40

44.5

150

18

110

45

60

2.6

6

7

88

3

2.33

48.3

64

50

57

165

20

125

48

72

2.9

6

8

102

3

M16

(5/8")

18

2.82

60.3

75

65

76.1

185

22

145

52

90

2.9

6

10

122

3

3.74

80

88.9

200

24

160

58

105

3.2

8

12

138

3

4.75

100

108

235

24

190

65

128

3.6

8

12

138

3

8

M20

(3/4")

23

6.52

114.3

134

125

133

270

26

220

68

155

4

8

12

188

3

8

M24

(7/8")

27

9.07

139.7

162

150

159

300

28

250

75

182

4.5

10

12

188

3

M24

(7/8")

11.8

168.3

192

175

191

350

32

295

82

215

5.6

10

16

285

3

12

M27

(1")

30

18.2

193.7

218

200

216

375

34

320

88

240

6.3

10

16

285

3

21.5

219.1

244

250

267

450

38

385

105

298

7.1

12

18

345

3

34.9

273

306

300

318

515

42

450

115

352

8

12

18

410

4

16

M30

(1-1/8")

33

49.7

323.9

362

350

355.6

580

46

510

125

408

8.8

12

20

460

4

M33

(1-1/4")

36

368

68.1

400

406.4

660

50

585

135

462

11

12

20

535

4

M36

(1-3/8")

39

419

96.5

500

508

755

52

670

140

562

14.2

12

20

615

4

20

M39

(1-1/2")

42

521

117


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  • Customer focused approach
 

Quality is very essential for our company & we are ISO 9001:2008 certified company.

 

 

We supply a wide range of pipes and tubes , sheets, plates, round bar, flanges and other product

 

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Technical Info

 
Contact

Permonics Tube (India)
28/42, 2nd Floor,Ganesh Darshan Bldg.,A-Wing, Office No. 202,2nd Kumbharwada, Mumbai - 400 004.

022 6743 7198