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Butt Welding Fittings: Reducers,
concentric / eccentric

Seamless and seam-welded
DIN 86089

  • Material:

OSNA®-10 ­ copper-nickel-iron

  • Type and Construction:

Concentric reducers up to and including 368 mm are normally supplied as one-piece and seamless.

Eccentric reducers up to and including 368 mm are normally supplied as one-piece and seamless.


Download dxf-file (01)


Download dxf-file (02)




Size Wall Thickness
s1s2
mm		 Length
l
mm		 Theoretical
Weight
kg per piece
DN OD1OD2
inch mm mm
  1/2 x 3/8 16 x 12 20 x 16 1.0 x 1.0 30.00 0.015  
3/4 x 3/8 20 x 12 25 x 16 1.5 x 1.0 30.00 0.020
  3/4 x 1/2 20 x 16 25 x 20 1.5 x 1.0 30.00 0.023  
1 x 3/8 25 x 12 30 x 16 1.5 x 1.0 35.00 0.030
  1 x 1/2 25 x 16 30 x 20 1.5 x 1.0 35.00 0.033  
1 x 3/4 25 x 20 30 x 25 1.5 x 1.5 35.00 0.035
  1 1/4 x 3/8 32 x 12 38 x 16 1.5 x 1.0 50.00 0.038  
1 1/4 x 1/2 32 x 16 32 x 16 1.5 x 1.0 50.00 0.040
  1 1/4 x 3/4 32 x 20 38 x 25 1.5 x 1.5 50.00 0.043  
1 1/4 x 1 32 x 25 38 x 30 1.5 x 1.5 50.00 0.045
  1 1/2 x 1/2 40 x 16 44.5 x 20 1.5 x 1.0 80.00 0.050  
1 1/2 x 3/4 40 x 20 44.5 x 25 1.5 x 1.5 80.00 0.060
  1 1/2 x 1 40 x 25 44.5 x 30 1.5 x 1.5 80.00 0.070  
1 1/2 x 1 1/4 40 x 32 44.5 x 38 1.5 x 1.5 80.00 0.080
  2 x 3/4 50 x 20 57 x 25 1.5 x 1.5 80.00 0.110  
2 x 1 50 x 25 57 x 30 1.5 x 1.5 80.00 0.120
  2 x 1 1/4 50 x 32 57 x 38 1.5 x 1.5 80.00 0.140  
2 x 1 1/2 50 x 40 57 x 44.5 1.5 x 1.5 80.00 0.160
  2 1/2 x 1 65 x 25 76 x 30 2.0 x 1.5 90.00 0.250  
2 1/2 x 1 1/4 65 x 32 76 x 38 2.0 x 1.5 90.00 0.270
  2 1/2 x 1 1/2 65 x 40 76 x 44.5 2.0 x 1.5 90.00 0.300  
2 1/2 x 2 65 x 50 76 x 57 2.0 x 1.5 90.00 0.330
  3 x 1 1/4 80 x 32 89 x 38 2.0 x 1.5 90.00 0.460  
3 x 1 1/2 80 x 40 89 x 44.5 2.0 x 1.5 90.00 0.480
  3 x 2 80 x 50 89 x 57 2.0 x 1.5 90.00 0.490  
3 x 2 1/2 80 x 65 89 x 76 2.0 x 2.0 90.00 0.510
  4 x 1 1/2 100 x 40 108 x 44.5 2.5 x 1.5 100.00 0.580  
4 x 2 100 x 50 108 x 57 2.5 x 1.5 100.00 0.600
  4 x 2 1/2 100 x 65 108 x 76 2.5 x 2.0 100.00 0.660  
4 x 3 100 x 80 108 x 89 2.5 x 2.0 100.00 0.720
  5 x 2 125 x 50 133 x 57 2.5 x 1.5 140.00 0.860  
5 x 2 1/2 125 x 65 133 x 76 2.5 x 2.0 140.00 0.900
  5 x 3 125 x 80 133 x 89 2.5 x 2.0 140.00 0.940  
5 x 4 125 x 100 133 x 108 2.5 x 2.5 140.00 0.980
  6 x 2 1/2 150 x 65 159 x 76 2.5 x 2.0 150.00 1.160  
6 x 3 150 x 80 159 x 89 2.5 x 2.0 150.00 1.250
  6 x 4 150 x 100 159 x 108 2.5 x 2.5 150.00 1.370  
6 x 5 150 x 125 159 x 133 2.5 x 2.5 150.00 1.700
  7 x 3 175 x 80 194 x 89 3.0 x 2.0 155.00 1.940  
7 x 4 175 x 100 194 x 108 3.0 x 2.5 155.00 1.960
  7 x 5 175 x 125 194 x 133 3.0 x 2.5 155.00 2.010  
  7 x 6 175 x 150 194 x 159 3.0 x 2.5 155.00 2.080  
  8 x 4 200 x 100 219 x 108 3.0 x 2.5 155.00 2.550  
8 x 5 200 x 125 219 x 133 3.0 x 2.5 155.00 2.640
  8 x 6 200 x 150 219 x 159 3.0 x 2.5 155.00 2.730  
8 x 7 200 x 175 219 x 194 3.0 x 3.0 155.00 2.820
  10 x 5 250 x 125 267 x 133 3.0 x 2.5 210.00 4.420  
10 x 6 250 x 150 267 x 159 3.0 x 2.5 210.00 4.530
  10 x 7 250 x 175 267 x 194 3.0 x 3.0 210.00 4.630  
10 x 8 250 x 200 267 x 219 3.0 x 3.0 210.00 4.780
  12 x 5 300 x 125 324 x 133 4.0 x 2.5 210.00 7.120  
12 x 6 300 x 150 324 x 159 4.0 x 2.5 210.00 7.200
  12 x 7 300 x 175 324 x 194 4.0 x 3.0 210.00 7.280  
12 x 8 300 x 200 324 x 219 4.0 x 3.0 210.00 7.400
  12 x 10 300 x 250 324 x 267 4.0 x 3.0 210.00 7.550  
14 x 6 350 x 150 368 x 159 4.0 x 2.5 300.00 10.750
  14 x 7 350 x 175 368 x 194 4.0 x 3.0 300.00 11.050  
14 x 8 350 x 200 368 x 219 4.0 x 3.0 300.00 11.400
  14 x 10 350 x 250 368 x 267 4.0 x 3.0 300.00 11.800  
14 x 12 350 x 300 368 x 324 4.0 x 4.0 300.00 12.200
  16 x 7 400 x 175 419 x 194 4.0 x 3.0 325.00 12.900  
16 x 8 400 x 200 419 x 219 4.0 x 3.0 325.00 13.400
  16 x 10 400 x 250 419 x 267 4.0 x 3.0 325.00 13.900  
16 x 12 400 x 300 419 x 324 4.0 x 4.0 325.00 14.400
  16 x 14 400 x 350 419 x 368 4.0 x 4.0 325.00 15.100  
18 x 8 450 x 200 457 x 219 4.5 x 3.0 350.00 17.090
  18 x 10 450 x 250 457 x 267 4.5 x 3.0 350.00 17.600  
18 x 12 450 x 300 457 x 324 4.5 x 4.0 350.00 18.190
  18 x 14 450 x 350 457 x 368 4.5 x 4.0 350.00 18.950  
18 x 16 450 x 400 457 x 419 4.5 x 4.0 350.00 19.900
  20 x 10 500 x 250 508 x 267 5.0 x 3.0 375.00 22.000  
20 x 12 500 x 300 508 x 324 5.0 x 4.0 375.00 23.100
  20 x 14 500 x 350 508 x 368 5.0 x 4.0 375.00 24.300  
20 x 16 500 x 400 508 x 419 5.0 x 4.0 375.00 25.200
  20 x 18 500 x 450 508 x 457 5.0 x 4.5 375.00 26.100  
24 x 14 600 x 350 610 x 368 5.0 x 4.0 400.00 29.900
  24 x 16 600 x 400 610 x 419 5.0 x 4.0 400.00 30.700  
24 x 18 600 x 450 610 x 457 5.0 x 4.5 400.00 31.800
  24 x 20 600 x 500 610 x 508 5.0 x 5.0 400.00 33.500