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» IRTJ TYPE BX RING JOINT GASKET


The IRTJ type BX metal ring joint gaskets are manufactured according to ASME B16.20 : 2007 and API 6A. The type BX series is of higher strength materials designed primarily for special applications involving high pressures up to 20,000 psi.



NOTE:
  • All 23° surfaces on BX gaskets shall have a surface finish no rougher than 0.8 µm Ra ( 32 µin RMS ).
  • Radius “ R ” shall be 8 % to 12 % of the gasket height ”H ”. One pressure-passage hole required per gasket on centerline. See fig. 1
  • A plus tolerance of 0.20 mm for width “A” and height “H ” is permitted, provided the variation in width or height of any ring does not exceed 0.10 mm throughout its entire circumference.