BS 4865-1 1990 Edition, January 31, 1990
Dimensions of gaskets for flanges to BS 4504 Part 1. Specification for non-metallic flat gaskets (including gaskets for flanges to BS 4772)
Includes all amendments and changes through Amendment 2, December 15, 1995
Additional Comments: W/D S/S BY BS EN 1514-1
Published By:British Standards Institution (BSI)
Dimensions and marking of gaskets for nominal pressures up to and including PN 40 and nominal sizes up to and including DN 4000.