SSI 813 RX

SSI 813 RX

TYPE RX RING GASKET DIMENSIONS AND TOLERANCES

GENERAL NOTES

 (a) All dimensions are in millimeters.
 (b) Tolerances :
     * OD = outside diameter or ring, +0.51, -0.00
     * A = width of ring, +0.20, -0.00             
              Variation in width throughout the entire circumference of any ring shall not
              exceed 0.10 within these tolerances.       
   * C = width of flat, +0.15, -0.00       
   * D = height of outside bevel, +0.0, -0.76       
   * H = height of ring, +0.20, -0.00              
             Variation in height throughout the entire circumference of any ring shall not
             exceed 0.10 within these tolerances.       
   * R1 = radius of ring, ±0.5       
   * Angle = 23 deg  ±0 deg 30 min
   * E = hole size, ±0.5

NOTES
   (1) Rings RX-82 through RX-91 only require one pressure passage hole as
        illustrated. The centerline of the hole shall be located at the midpoint of
        dimension C.
   (2) Tolerance on these dimensions is +0.00, -0.38.
   (3) Tolerance on these dimensions is +0.5, -0.0.
   (4) Class 720, 960, and 2900 flanges to API 6B are obsolete. Data are for
         information only.
   (5) Crossover flange connection.