BS 4991:1974

This standard BS 4991:1974 Specification for propylene copolymer pressure pipe is classified in these ICS categories:

• 23.040.20 Plastics pipes

This British Standard specifies requirements for propylene copolymer pressure pipe in two series.

Series 1, for use with potable water, foodstuffs and pharmaceuticals.

Series 2, for use with chemicals, including water at temperatures up to 100 °C.

NOTE. The titles of the British Standards referred to in this standard are listed on the inside back cover.

Series 1 for potable water, foodstuffs and pharmaceuticals and Series 2 for chemicals (including water up to 100°C); materials, dimensions, pressure ratings, physical characteristics and test methods.