Side 53

Dimensions and Flange specifikations, BS 4504

Code 101:

Plate flange for welding

Code 102 and code 132:

Loose plate flange with weld-on plate collar

Code 102 and code 133:

Loose plate flange with weld-on plate collar for lapped pipe end

Code 104 and code 134:

Loose flange with welding neck collar

Code 105:

Blank flange

Code 111:

Weld-neck flange

Code 112:

Hubbed slip-on flange for welding

Code 113:

Hubbed threaded flange

Code 121:

Integral

Side 54

Dimensions and Flange specifikations, BS 4504

PN 10

Plate flange for welding - code 101

Plate flange for welding

Dimensions in mm

Nom.

Outside

PCD

Number

Diam. of

size

Diam.

B1

C1

of holes

Thread

holes

10

to

Use PN 16 dimensions.

150

200

340

295

221,5

24

8

M20

22

250

395

350

276,5

26

12

M20

22

300

445

400

327,5

26

12

M20

22

350

505

460

359,5

28

16

M20

22

400

565

515

411,0

32

16

M24

26

450

615

565

462,0

36

20

M24

26

500

670

620

513,5

38

20

M24

26

600

780

725

616,5

42

20

M27

30

Side 55

Dimensions and Flange specifikations, BS 4504

PN 16

Plate flange for welding - code 101

Plate flange for welding

Dimensions in mm

Nom.

Outside

PCD

Number

Diam. of

size

Diam.

B1

C1

of holes

Thread

holes

10

90

60

18,0

14

4

M12

14

15

95

65

22,0

14

4

M12

14

20

105

75

27,5

16

4

M12

14

25

115

85

34,5

16

4

M12

14

32

140

100

43,5

18

4

M16

18

40

150

110

49,5

18

4

M16

18

50

165

125

61,5

20

4

M16

18

65

185

145

77,5

20

4

M16

18

80

200

160

90,5

20

8

M16

18

100

220

180

116,0

22

8

M16

18

125

250

210

141,5

22

8

M16

18

150

285

240

170,5

24

8

M20

22

200

340

295

221,5

26

12

M20

22

250

405

355

276,5

29

12

M24

26

300

460

410

327,5

32

12

M24

26

350

520

470

359,0

35

16

M24

26

400

580

525

411,0

38

16

M27

30

450

640

585

462,0

42

20

M27

30

500

715

650

513,5

46

20

M30

33

600

840

770

616,5

52

20

M33

36