This International Standard specifles the character-istics of interface connections for tank containers complying with ISO 1496-3.
Section 1 gives the definitions and the testing and welding requirements for interface connections.
Section 2 gives a range of flange connections for tank containers, type codes 70 to 77 and 85 to 88.
Section 31) specifies the dimensions and character-istics of man-hole openings and man-hole lids for tank containers intended to contain liquids or pres-surized dry bulk, with a test pressure not exceeding 600 kPa for containers of type codes 70 to 76 and 85 to 88.
Section 4" specifies the requirements for the interface connection screw threads.