Plastics piping systems for underground drainage and sewerage under pressure. glass - reinforced thermosetting plastics based on unsaturated polyester resin. part 3: fittings.

Plastics piping systems. glass - reinforced thermosetting plastics components. test methods to prove the design of rigid locked socket - and - spigot joints with elastomeric seals.

Plastics piping systems. Glass - reinforced thermosetting plastics components. Test methods to prove the design of bolted flange joints.