This part of GB/T 33488 specifies the general principles of non-destructive testing methods such as appearance testing, radiographic testing and ultrasonic testing of plastic welding pressure-bearing equipment used in chemical industry. This section applies to polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), acrylonitrile-butadiene-styrene plastic (ABS), polyvinylidene fluoride (PVDF) and modified polytetrafluoroethylene Non-destructive testing of thermoplastic pipes or plates such as fluoroethylene (PTFE), pressure vessels and pressure pipe welded joints welded by hot air welding, extrusion welding, hot fusion welding and electric fusion welding.
GB/T 33488.1-2017 Referenced Document
GB/T 33488.2 Test method of pressure equipments of thermoplastics welded for chemicals—Part 2: Visual examination
GB/T 33488.3 Test method of pressure equipments of thermoplastics welded for chemicals—Part 3: Radiographic examination
GB/T 33488.4 Test method of pressure equipments of thermoplastics welded for chemicals—Part 4:Ultrasonic examination
GB/T 5616 Non-destructive testing.Guidelines for application
GB/T 9445 Non-destructive testing.Qualification and certification of NDT personnel
GB/T 33488.1-2017 history
2017GB/T 33488.1-2017 Test method of pressure equipments of thermoplastics welded for chemicals—Part 1: General requirements