Gives types of steel flanges and their facings, dimensions, tolerances, threading, bolt sizes, flange face surface finish, marking, materials for bolting and flange materials together with associated pressure/temperature ratings. Includes marking, information to be supplied by the purchaser, application and installation, determination of bolt lengths for lapped-type joints, recommended bolt lengths for flanges other than lapped-type, recommendations for weld ends of weld-neck flanges, dimensions of seamless and welded steel pipes, use of metric bolting in lieu of inch bolting, and comparison of flange descriptions in BS 1560: Part 2: 1970 with descriptions used in this section of BS 1560.

BS 1560-2(1970) : 1970

BS EN 1759-1 : 2004