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ES - Piping Material Specification

  1. Table of contents
  2. Scope, codes, standards and references
  3. General and specific requirements
  4. Abbreviations for piping specifications
  5. Valve tag numbering
  6. Standard installation detail - Utility Station
  7. Special fabricated larger diameter reducers
  8. Four weld 90° LR Miter elbow
  9. Two weld 45° LR Miter elbow
  10. Perforated temporary conical strainers
  11. T-Type strainers
  12. Drip ring
  13. Product sampler cooler
  14. Tolerances for pipe fabrication
  15. Line Blinds NPS 1/2 - NPS 60
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Standard No.... Doc. No....
Piping Material Specification
Issue Date: Dec, 20117 of 15

Special Fabricated Larger Diameter Reducers

Special Fabricated Larger Diameter Reducers
Reducer
O.D.		 A B   Reducer
O.D.		 A B  
26 x 24 24 1 40 x 32 24 4
26 x 22 24 2 40 x 30 24 5
26 x 20 24 3 * 40 x 28 24 6
26 x 18 24 4 42 x 40 24 1
26 x 16 24 5 42 x 38 24 2
28 x 26 24 1 42 x 36 24 3
28 x 24 24 2 42 x 34 24 4
* 28 x 22 24 3 42 x 32 24 5
28 x 20 24 4 42 x 30 24 6
28 x 18 24 5 44 x 42 24 1
30 x 28 24 1 44 x 40 24 2
30 x 26 24 2 44 x 38 24 3
30 x 24 24 3 44 x 36 24 4
* 30 x 22 24 4 * 44 x 34 24 5
30 x 20 24 5 * 44 x 32 24 6
32 x 30 24 1 46 x 44 28 1
32 x 28 24 2 46 x 42 28 2
32 x 26 24 3 46 x 40 28 3
32 x 24 24 4 46 x 38 28 4
* 32 x 22 24 5 * 46 x 36 24 5
* 32 x 20 24 6 * 46 x 34 24 6
34 x 32 24 1 48 x 46 28 1
34 x 30 24 2 48 x 44 28 2
* 34 x 28 24 3 48 x 42 28 3
34 x 26 24 4 48 x 40 28 4
34 x 24 24 5 * 48 x 38 24 5
36 x 34 24 1 * 48 x 36 24 6
36 x 32 24 2 50 x 48 24 1
36 x 30 24 3 50 x 46 24 2
* 36 x 28 24 4 50 x 44 24 3
36 x 26 24 5 50 x 42 24 4
36 x 24 24 6 50 x 40 24 5
38 x 36 24 1 50 x 38 24 6
38 x 34 24 2 50 x 36 24 7
38 x 32 24 3 52 x 44 30 1
38 x 30 24 4 52 x 42 30 2
38 x 28 24 5 52 x 40 30 3
38 x 26 24 6 52 x 38 30 4
40 x 38 24 1 52 x 36 30 5
40 x 36 24 2 52 x 50 30 6
40 x 34 24 3 52 x 48 30 7
Reducer
O.D.		 A B   Reducer
O.D.		 A B  
52 x 46 30 8 66 x 60 36 3
54 x 52 30 1 66 x 54 36 6
54 x 50 30 2 66 x 48 36 9
54 x 48 30 3 66 x 42 36 12
54 x 46 30 4 68 x 64 36 2
54 x 44 30 5 68 x 60 36 4
54 x 42 30 6 68 x 54 36 7
54 x 38 30 8 68 x 48 36 10
54 x 36 30 9 68 x 42 36 13
54 x 34 30 10 70 x 66 42 2
54 x 32 30 11 70 x 60 42 5
54 x 30 30 12 70 x 54 42 8
56 x 54 30 1 70 x 48 42 11
56 x 52 30 2 70 x 42 42 14
56 x 50 30 3 72 x 66 42 3
56 x 48 30 4 72 x 60 42 6
56 x 46 30 5 72 x 54 42 9
56 x 44 30 6 72 x 48 42 12
56 x 42 30 7 72 x 42 42 15
58 x 56 30 1 78 x 72 48 3
58 x 54 30 2 78 x 66 48 6
58 x 52 30 3 78 x 60 48 9
58 x 48 30 5 78 x 54 48 12
58 x 44 30 7 78 x 48 48 15
58 x 42 30 8 84 x 78 48 3
60 x 56 30 2 84 x 72 48 6
60 x 54 30 3 84 x 66 48 9
60 x 52 30 4 84 x 60 48 12
60 x 48 30 6 84 x 54 48 15
60 x 42 30 9 84 x 48 48 18
62 x 58 30 2 90 x 84 48 3
62 x 54 30 4 90 x 78 48 6
62 x 52 30 5 90 x 72 48 9
62 x 48 30 7 90 x 66 48 12
62 x 44 30 9 90 x 60 48 15
64 x 60 36 2 96 x 90 48 3
64 x 56 36 4 96 x 84 48 6
64 x 54 36 5 96 x 78 48 9
64 x 52 36 6 96 x 72 48 12
64 x 48 36 8 96 x 66 48 15
64 x 42 36 11

Notes:

  1. All dimensions are given in Inches.
  2. These reducers are to be used only when authorized by the piping spec's for the job.
  3. Material shall be as specified in the job piping materials specification class.
  4. Welding shall be in accordance with the job specifications.
  5. Alloy material;s over 1/8" thk. and carbon steel materials 3/16" thk. and over shall have ends beveled for welding in accordance with ASME B16.25 standard.
  6. Reducers marked with asterisk ( * ) and 50" and higher are not ASME B16.9.

 

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