R Series Ring Joint Gasket

Style R Gasket :

  • Standard Style R Joint gaskets are manufactured in accordance with both
    API 6A and ASME B16.20 size/ratings.
  • Style R Ring Joint gaskets are manufactured in accordance with all relevant standards to suit the following flange designations :
    • API 6A > ASME / ANSI B16.5 > MSS SP44 ( ASME 16.47 SERIES A )
    • BS

Material Carbon Steel
Shape Round
Thickness 10-20mm
Application Fittings
Color Silver
Condition New

Graph

Technical Specifications

Ring No. Pressure Class Ratings Pitch Height of Ring Approx Distance Between
ANSI, BS & MSS API (psi )API (psi ) Diameter of Ring Width of Ring
150 300/600 900 1500 2500 2000/3000 5000 Oval
Nominal Pipe Size P A H Flanges
R12 1/2 1/2 1.563 0.313 0.56
R16* 1 1 1 3\4 2 0.313 0.56
R18* 1 1/4 1 1/4 1 1/4 1 2.375 0.313 0.56
R20* 1 1/2 1 1/2 1 1/2 2.688 0.313 0.56 0.16
R23* 2 1 1/2 2 1/16 3.25 0.438 0.69 0.16
R24* 2 2 2 1/16 2 3.75 0.438 0.69 0.16
R26* 2 1/2 2 9/16 4 0.438 0.69 0.16
R27 2 1/2 2 1/2 -2 9/16 2 9/16 4.25 0.438 0.69 0.16
R31* 3 3 3 1/18 4.875 0.438 0.69 0.16
R32 3 5 0.5 0.75
R35* 3 3 1/8 5.375 0.438 0.69 0.16
R37* 4 4 4 1/16 5.875 0.438 0.69 0.16
R38 4 6.188 6.375 0.88
R39* 4 4 1/16 6.375 0.438 0.69 0.16
R45* 6 6 7 1/16 8.313 0.438 0.69 0.16
R46 6 7 1/16 8.313 0.5 0.75 0.13
R49* 8 8 9 10.625 0.438 0.69 0.19
R50 8 9 10.625 0.625 0.88 0.16
R53 10 10 11 12.75 0.438 0.69 0.19
R54 10 11 12.75 0.625 0.88 0.16
R57 12 12 13 5/18 15 0.438 0.69 0.19
R58 12 15 0.875 1.13
R65 16 16 3/4 18.5 0.438 0.69 0.19
R66 16 -16 18.5 0.625 0.88 0.16
R69 18 21 0.438 0.69 0.19
R73 20 21 1/4 23 0.5 0.75 0.13

* Available in stainless steel