Diameter measurement
Plastics
Geometry
Thickness measurement
Dimensional measurement
Pipe fittings
Angular measurement
Pipes
Test equipment
Flanges
Pipework systems
Accuracy
Pipe couplings
Tolerances (measurement)
Link: BS ISO 8533:2019 Glass-reinforced thermosetting plastics (GRP) pipes and fittings. Test methods to prove the design of cemented or wrapped joints
Source: BSI Standards