Dimensions of double metal-jacketed gaskets ASME B16.20
used with raised face flanges ASME B16.5

Cross-section double metal-jacketed gasket
General notes:
  • Dimensions are in millimeters unless otherwise indicated.
  • d1 = Inside diameter.
  • d2 = Outside diameter.
  • Dimensional dimensional tolerances diameter up to NPS 24 = + 1.58 / - 0 mm for both diameters.
  • Dimensional dimensional tolerances thickness (t) up to NPS 24 = + 0.80 / - 0 mm.
  • Thickness (t) specified by customer.