TTI inspects various types of valves, Pipe, fittings and flanges. Our inspection also covers raw materials of valves like casting & forging and partially finished valves at the factory before they ship out.
Our inspection experts perform inspections based on international standards of ANSI, API, EN, BS, DIN, NACE, etc. Detailed reports with photos are available shortly after the inspection and TTI staff will assist you when there are quality issues. Our basic inspection scope includes the description as following:
| Item | Description | Inspection Percentage | Remark | Location |
| 1 | Order Review | - | Help customer to avoid problem in advance. | Depends |
| 2 | ITP Review | - | ||
| 3 | Production Schedule Review | - | ||
| 4 | Inspection of Raw material and Main Components | 100% or Random | Castings & Forging | Factory, Foundry or Forging Plant |
| 5 | Witness Chemical and Mechanical Test of Raw Material | 100% or Random | Tensile, Impact, PMI, etc | Factory Lab or Outside Lab |
| 6 | Witness NDT on Raw Material & Operator Qualification Review | 100% or Random | PT, MT, UT, RT etc | Factory Lab or Outside Lab |
| 7 | Witness NDT on machined parts & Operator Qualification Review | 100% or Random | PT,MT, etc | Factory Lab or Outside Lab |
| 8 | Inspect Pressure Testing | 100% or Random | Hydro Pressure Shell & Seat, Air seat, High Pressure Air Shell | Factory |
| 9 | Dimension Check | 100% or Random | Face to Face, Flange, BW Ends, etc | Factory |
| 10 | Final Check | 100% or Random | Visual, Marking, Painting, Tag, Nameplate, etc. | Factory |
| 11 | Packaging Check | 100% or Random | Crate Quality, Shipping Marks, Flange Cover, Disc Position, etc. | Factory |
| 12 | Documents Review | 100% or Random | EN10204 3.1,Mill Report, NDT Report, etc. | Depends |
TTI SPECIAL INSPECTION SERVICE - Available upon your request!
