Piping Material Specification


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Standard No.... Doc. No....
Issue Date.. Dec, 201912 of 15


Dimensions Bleed Rings


Dimensions of bleed or drip ring

Dimensions of bleed or drip ring
NPS ID OD by Pressure Class
150 300 600 900 1500
1 28.6 63.5 69.9 69.9 76.2 76.2
1.1/2 41.3 82.6 92.1 92.1 95.3 95.3
2 54 101.6 108 108 139.7 139.7
2.1/2 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.




Other Pages

  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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