Web1. Pre-cleaning. Clean the test surface using solvents, alkaline cleaning steps or vapor degreasing, to remove any dirt, paint, oil, grease or any loose scale so that the penetrant won’t cause irrelevant or false indications. The cleaning process will open the surface of any defects, and also dry and remove it from contamination. 2. WebUnderwater MPI is used primarily as a quality assurance tool to support underwater welding on ship structures. It can also be used to inspect hulls or other magnetic components. Some of the drawbacks associated with MPI are: 1. low sensitivity to detect cracks that run parallel to the magnetic field.
Biosecurity: Our work - Department of Conservation
WebCraft – Spray interior with cleaning mix (10% any common dishwashing liquid/ nappy cleaner or 2% household bleach), leave wet for 10 minutes before rinsing. Equipment – Leave cleaning mix in craft, immerse and soak all equipment and clothing inside. Dispose of all cleaning waste well away from the waterway. A there is no need to Check ... WebDec 19, 2024 · Soak or spray all surfaces with a 2% (200mls diluted to 10 litres in water) solution of bleach for at least 1 minute Soak gear in water above 60°C for at least 1 … economics parkin pdf
Check, Clean, Dry Greater Wellington Regional Council
WebHere is the basic two step process for how inspectors do both the wet and the dry methods of magnetic testing: Magnetize the object. Run a magnetic current through the material. If defects are present they will create a secondary magnetic field, or flux leakage field. Spread metal particles on the object. WebMar 4, 2024 · Elaine’s heading up the Nelson Tasman Check Clean Dry campaign in partnership with the Ministry for Primary Industries (MPI), Tasman District Council (TDC), DOC and Fish & Game. She says it’s vital to limit the movement of freshewater pests and stop them invading other waterways. Web495 Dislike Share 21,804 views Sep 9, 2024 Magnetic Particle Testing also known as Magnetic Particle Inspection (MPI/MPT/MT) is a non-destructive test method used to detect surface as well as... comwer coburg