Flanges & Pipe fittings

 

BS STANDARD FLAGES

BS 4504 SECTION 3.1 1989 NP10 Code ( 101 ) Slip- on / NP10 Code ( 105 ) Blind

Nom
Bore

Outside
Dia

Bore

Thick
£¨100£©

Ness
£¨105£©

Drilling

PCD

Raised
Dia

Pace
Height

80

200

90.5

20

20

8¡Á18mm

160

138

3

100

220

116.0

22

20

8¡Á18mm

180

158

3

125

250

141.5

22

22

8¡Á18mm

210

188

3

150

285

167.0

24

22

8¡Á22mm

240

212

3

200

340

221.5

24

24

8¡Á22mm

295

268

3

250

395

276.5

26

26

12¡Á22mm

350

320

3

300

445

327.5

26

26

12¡Á22mm

400

370

4

350

505

359.5

28

26

16¡Á22mm

460

430

4

400

565

411.0

32

26

16¡Á28mm

515

482

4

450

615

462.0

36

28

20¡Á28mm

565

532

4

500

670

513.5

38

28

20¡Á28mm

620

585

4

600

780

616.5

42

34

20¡Á32mm

725

685

5

700

895

715.0

46

38

24¡Á32mm

840

800

5

800

1050

816.0

52

42

24¡Á35mm

950

905

5

900

1015

918.0

56

46

28¡Á35mm

1050

1005

5

1000

1230

1020.0

62

52

28¡Á38mm

1160

1110

5

1200

1455

1224.0

74

60

32¡Á41mm

1380

1330

5

1400

1675

1424.0

86

-

36¡Á44mm

1590

1535

5

BS 4504 SECTION 3.1 1989 NP25 Code ( 101 ) Slip- on / NP25 Code ( 105 ) Blind

Nom
Bore

Outside
Dia

Bore

Thick
£¨100£©

Ness
£¨105£©

Drilling

PCD

Raised
Dia

Pace
Height

15

95

22.0

14

16

4¡Á14mm

65

45

2

20

105

27.5

16

18

4¡Á14mm

75

58

2

25

115

34.5

16

18

4¡Á14mm

85

68

2

32

140

43.5

18

18

4¡Á18mm

100

78

2

40

150

49.5

18

18

4¡Á18mm

110

88

3

50

165

61.5

20

20

4¡Á18mm

125

102

3

65

185

77.5

22

22

8¡Á18mm

145

122

3

80

200

90.5

24

24

8¡Á18mm

160

138

3

100

235

116.0

26

24

8¡Á22mm

190

162

3

125

270

141.5

28

26

8¡Á26mm

220

188

3

150

300

170.5

30

28

8¡Á26mm

250

218

3

200

360

221.5

32

30

12¡Á26mm

310

278

3

250

425

276.5

35

32

12¡Á30mm

370

335

3

300

485

327.5

38

34

16¡Á30mm

430

395

4

350

555

359.5

42

38

16¡Á33mm

490

450

4

400

620

411.0

46

40

16¡Á36mm

550

505

4

450

670

462.0

50

44

20¡Á36mm

600

555

4

500

730

513.5

56

45

20¡Á36mm

660

615

4

600

845

616.5

68

54

20¡Á39mm

770

720

5

BSIO ( 1962 ) Table D Slip- on

Item

Size

O/D

I/D

T

Holes
No.

Holes
Dia.

PCD

1

1/2/15mm

3 1/2¡±

7/8¡±

1/2¡±

4

9/16¡±

2 5/8¡±

2

3/4¡±/20mm

4¡±

13/32¡±

1/2¡±

4

9/16¡±

2 7/8¡±

3

1¡±/25mm

4 1/2¡±

1 3/8¡±

1/2¡±

4

9/16¡±

3 1/4¡±

4

1 1/2¡±/40mm

5 1/4¡±

1 15/16¡±

1/2¡±

4

9/16¡±

3 7/8¡±

5

2¡±/50mm

6¡±

2 7/16¡±

1/2¡±

4

11/16¡±

4 1/2¡±

6

2 1/2¡±/65mm

6 1/2¡±

3 1/16¡±

1/2¡±

4

11/16¡±

5¡±

7

3¡±/80mm

7 1/4¡±

3 9/16¡±

1/2¡±

4

11/16¡±

5 3/4¡±

8

4¡±/100mm

8 1/2¡±

4 9/16¡±

1/2¡±

4

11/16¡±

7¡±

9

4¡±/100mm

8 1/2¡±

112mm

1/2¡±

4

11/16¡±

7¡±

10

5¡±/125mm

10¡±

59/16¡±

1/2¡±

8

11/16¡±

8 1/4¡±

11

5¡±/125mm

10¡±

138mm

1/2¡±

8

11/16¡±

7¡±

12

6¡±/150mm

11¡±

6 9/16¡±

1/2¡±

8

11/16¡±

9 1/4¡±

13

6¡±/150mm

11¡±

162mm

1/2¡±

8

11/16¡±

9 1/4¡±

14

8¡±/200mm

13 1/4¡±

8 3/4¡±

1/2¡±

8

11/16¡±

11 1/2¡±

15

8¡±/200mm

13 1/4¡±

214mm

1/2¡±

8

11/16¡±

11 1/2¡±

16

10¡±/250mm

16¡±

10 7/8¡±

5/8¡±

8

7/8¡±

14¡±

17

10¡±/250mm

16¡±

265mm

5/8¡±

8

7/8¡±

14¡±

18

12¡±/300mm

18¡±

12 7/8¡±

3/4¡±

12

7/8¡±

16¡±

19

12¡±/300mm

18¡±

314mm

3/4¡±

12

7/8¡±

16¡±

20

14¡±/350mm

20 3/4¡±

14 1/8¡±

7/8¡±

12

1¡±

18 1/2¡±

21

16¡±/400mm

22 3/4¡±

16 1/8¡±

7/8¡±

12

1¡±

20 1/2¡±

22

18¡±/450mm

25 1/4¡±

18 1/8¡±

1¡±

12

1¡±

23¡±

23

20¡±/500mm

27 3/4¡±

20 1/8¡±

1 1/8¡±

16

1¡±

25 1/4¡±

24

24¡±/600mm

32 1/2¡±

24 1/8¡±

1 1/4¡±

16

1 1/8¡±

29 3/4¡±

BS 4504 SECTION 3.1 1989 NP16 Code ( 101 ) Slip- on / NP16 Code ( 105 ) Blind

Nom
Bore

Outside
Dia

Bore

Thick
£¨100£©

Ness
£¨105£©

Drilling

PCD

Raised
Dia

Pace
Height

15

95

22.0

14

14

4¡Á14mm

65

45

2

20

105

27.5

16

16

4¡Á14mm

75

58

2

25

115

34.5

16

16

4¡Á14mm

85

68

2

32

140

43.5

18

16

4¡Á18mm

100

78

2

40

150

49.5

18

16

4¡Á18mm

110

88

3

50

165

61.5

20

18

4¡Á18mm

125

102

3

65

185

77.5

20

18

8¡Á18mm

145

122

3

80

200

90.5

20

20

8¡Á18mm

160

138

3

100

220

116.0

22

20

8¡Á18mm

180

158

3

125

250

141.5

22

22

8¡Á18mm

210

188

3

150

285

167.0

24

22

8¡Á22mm

240

212

3

200

340

221.5

26

24

12¡Á22mm

295

268

3

250

405

276.5

29

26

12¡Á26mm

355

320

3

300

460

327.5

32

28

12¡Á26mm

410

378

4

350

520

359.0

35

30

16¡Á26mm

470

438

4

400

580

411.0

38

32

16¡Á32mm

525

490

4

450

640

462.0

43

36

20¡Á32mm

585

550

4

500

715

513.5

46

36

20¡Á35mm

650

610

4

600

840

616.5

52

44

20¡Á38mm

770

725

5

700

910

715.0

60

48

24¡Á38mm

840

795

5

800

1025

816.0

68

52

24¡Á41mm

950

900

5

900

1125

918.0

76

58

28¡Á41mm

1050

1000

5

1000

1255

1020.0

84

64

28¡Á44mm

1170

1115

5

1200

1485

1224.0

98

76

32¡Á50mm

1390

1330

5

1400

1685

1424.0

105

-

36¡Á50mm

1590

1530

5

1600

1930

1626.0

120

-

40¡Á58mm

1820

1750

5