flanges raised face

B16.48 Spectable Blind, Paddle and Spacer Ring Flanges 300 lbs

Paddle Blind & Spacer Ring, Class 300 Raised Face

Paddle Blind, Space Ring Flange Dimension as per ASME/ANSI B16.48 300#/300 lbs

NPSInside Dia.Outside DaiCentrelineThicknessWeb Width
BOAtW
1/21651656.438
3/42164806.438
12770906.438
1.2542791006.438
1.548921156.438
2611081256.451
2.5731271509.751
3891461709.764
3.51021621859.764
411417820012.764
514123123512.776
616824827015.776
821930533015.776
1027335938522.4102
1232441945025.4102
1435648351528.4108
1640653657031.8108
1845759463041.1114
2050865168544.5121
2461077281050.8140

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Note:

  1. Hole Size [ where required due to bolt spacing ] shall be the same as the flange bolt hole and located such that it will not interfere with bolting between two flanges.
  2. Thickness of the web, Dimension W(t), shall be capable of supporting the weight of the blank or spacer in all orientation without permanent deformation to the web.
  3. Gasket seating surface finish and dimension for raised face line blanks in accordance with ASME B16.48. A raised face may be specific at the option of the purchaser. The height of the raised face shall be in addition to the thickness .t.

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