Eccentric and concentric reducers are in accordance with EEMUA –234, Section 1. The concentric reducers are typically supplied up to incl. 12 in./323.9 mm in seamless condition; bigger dimensions are seamwelded. The eccentric reducers are supplied up to incl. 8 in./219.1 mm in seamless condition; bigger dimensions are seamwelded.

Dimensions
Dimensions are based on EEMUA -234, Section 1, Figures 1.1, Tables 1.1-1.2 and 1.9.1-1.9.3. Reducers with other dimensions are available on request.

Tolerances
See Appendix C

Weld Preparation
For wall thickness less than 3 mm, the reducers are supplied with plain weld ends. Larger thicknesses are supplied with the weld bevel of 37 ½°±2 ½°.

Specified Size

Lenght

Specified Wall Thickness t x t1

Approx. Weight

OD

H

16 bar

20 bar

16 bar

20 bar

mm

mm

mm

mm

kg

kg

57 x 30

76

2.5 x 2.5

2.5 x 2.5

0.29

0.29

57 x 38

76

2.5 x 2.5

2.5 x 2.5

0.29

0.29

57 x 44.5

76

2.5 x 2.5

2.5 x 2.5

0.29

0.29

76.1 x 57

89

2.5 x 2.5

2.5 x 2.5

0.40

0.40

88.9 x 57

89

2.5 x 2.5

2.5 x 2.5

0.44

0.44

88.9 x 76.1

89

2.5 x 2.5

2.5 x 2.5

0.50

0.50

108 x 57

102

3.0 x 2.5

3.0 x 2.5

0.67

0.67

108 x 76.1

102

3.0 x 2.5

3.0 x 2.5

0.75

0.75

108 x 88.9

102

3.0 x 2.5

3.0 x 2.5

0.80

0.80

159 x 57

140

3.0 x 2.5

3.5 x 2.5

1.32

1.54

159 x 76.1

140

3.0 x 2.5

3.5 x 2.5

1.44

1.68

159 x 88.9

140

3.0 x 2.5

3.5 x 2.5

1.52

1.77

159 x 108

140

3.0 x 3.0

3.5 x 3.0

1.64

1.91

219.1 x 76.1

152

4.0 x 2.5

4.5 x 2.5

2.49

2.79

219.1 x 88.9

152

4.0 x 2.5

4.5 x 2.5

2.60

2.92

219.1 x 108

152

4.0 x 3.0

4.5 x 3.0

2.77

3.11

219.1 x 159

152

4.0 x 3.0

4.5 x 3.5

3.21

3.60

267 x 108

178

4.5 x 3.0

5.5 x 3.0

4.84

5.89

267 x 159

178

4.5 x 3.0

5.5 x 3.5

5.52

6.71

267 x 219.1

178

4.5 x 4.0

5.5 x 4.5

6.31

7.68

323.9 x 159

203

5.5 x 3.0

7.0 x 3.5

7.63

9.65

323.9 x 219.1

203

5.5 x 4.0

7.0 x 4.5

8.60

10.89

323.9 x 267

203

5.5 x 4.5

7.0 x 5.5

9.38

11.87

368 x 219.1

330

6.5 x 4.0

8.0 x 4.5

17.24

21.50

368 x 267

330

6.5 x 4.5

8.0 x 5.5

18.68

23.00

368 x 323.9

330

6.5 x 5.5

8.0 x 7.0

20.39

25.00

419 x 267

356

7.0 x 4.5

9.0 x 5.5

23.44

30.00

419 x 323.9

356

7.0 x 5.5

9.0 x 7.0

25.43

32.50

419 x 368

356

7.0 x 6.5

9.0 x 8.0

26.97

34.50

457.2 x 323.9

381

8.0 x 5.5

9.5 x 7.0

30.70

37.03

457.2 x 368

381

8.0 x 6.5

9.5 x 8.0

34.06

41.50

457.2 x 419

381

8.0 x 7.0

9.5 x 9.0

37.90

46.50

508 x 368

508

8.5 x 6.5

11.0 x 8.0

50.80

64.10

508 x 419

508

8.5 x 7.0

11.0 x 9.0

55.40

71.10

508 x 457.2

508

8.5 x 8.0

11.0 x 9.5

61.20

75.70

610 x 419

508

10.5 x 7.0

13.0 x 9.0

70.00

87.50

610 x 457.2

508

10.5 x 8.0

13.0 x 9.5

76.30

92.50

610 x 508

508

10.5 x 8.5

13.0 x 11.0

81.80

102.80

711 x 457.2

610

12.0 x 8.0

15 x 9.5

109.30

133.60

711 x 508

610

12.0 x 8.5

15 x 11.0

116.30

146.70

711 x 610

610

12.0 x 10.5

15 x 13.0

137.30

170.10

813 x 508

610

13.5 x 8.5

17 x 11

136.40

172.60

813 x 610

610

13.5 x 10.5

17 x 13

158.40

197.30

813 x 711

610

13.5 x 12.0

17 x 15

179.50

224.20

914 x 610

610

15.5 x 10.5

19 x 13

185.00

226.70

914 x 711

610

15.5 x 12

19 x 15

207.10

255.00

914 x 813

610

15.5 x 13.5

19 x 17

231.30

285.80