Maintains a basis for classification of the nominal sizes and pressure ratings of inch series pipe, and thus complements BS 5556, which is applicable to metric series pipe.
BS 3867:1987 history
1997BS 2782-11 Method 1121C:1997 Methods of testing plastics. Thermoplastics pipes, fittings and valves. Thermoplastics pipes for the conveyance of fluids. Nominal outside diameters and nominal pressures. Inch-based series
1987BS 3867:1987 Method of specifying outside diameters and pressure ratings for pipe of thermoplastics materials (inch series)