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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, 201112 of 15
Dimensions of bleed or drip ring
NPS ID Pressure Class
150 300 600 900 1500
1 28.6 63.5 69.9 69.9 76.2 76.2
41.3 82.6 92.1 92.1 95.3 95.3
2 54 101.6 108 108 139.7 139.7
63.5 120.7 127 127 161.9 161.9
3 79.4 133.4 146.1 146.1 165.1 171.5
4 104.8 171.5 177.8 190.5 203.2 206.4
6 155.6 219.1 247.7 263.5 285.8 279.4
8 203.2 276.2 304.8 317.5 355.6 349.3
10 257.2 336.6 358.8 396.9 431.8 431.8
12 304.8 406.4 419.1 450.9 492.1 514.4
 

Notes:

  • Dimensions are in millimeters unless otherwise indicated.
  •  C  - 1/2 inch or 3/4 inch threaded or socket weld taps are standard. Multiple taps can be provided but must be orientated by customer. Thickness of ring may be affected if larger taps are required.
  •  X  - Depending on the inside diameter of pipe or fitting.
  • Standard finish of gasket surface shall be machined to 125-250 Serrated finish. Other surface finish must be specified by customer.

 

Pipe Fabrication Institute

The primary purpose of the Pipe Fabrication Institute is to promote the highest standards of excellence in the pipe fabrication industry.

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