Valve Repair

It is our commitment to restore all valves and equipment sent to us to be repaired like a new condition. The following describe is process carried out by PT.DKM to reconditioning of valves or other equipment.

1. Visual Inspection

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We do visual inspection to get valve data is relevant with document.

2. Marking

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All external valve should be marking with hard stem before overhaul.

3. Pre-test

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Before being repaired, all valves will be tested if need

4. Dismantling, Cleaning and Inspection

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Each valve component should be dismantling , cleaning and inspect to know condition all component.

5. Joint Inspection

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Each valve component should be inspect with client togather to know condition all component before repaire if required.

6. Machining

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Based on inspection report, valve component will be remachined to refurbish the valve as original dimension.

7. Seating Faces

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Seating faces are rebuilt where necessary by deposit welding using materials equivalent to the original seat.

8. Flange Faces

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Flange faces are rebuilt and remachined where necessary to comply with the relevant standards of finish and dimensions for flange thickness and face-to-face.

9. Replace seal kit

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All packing gland, gaskets , Oring , fire safe and bolting will be replaced with new parts confirming to the relevant standards.

10. Re-assemble and Testing

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After being reassemble, all valves are visually inspected, checked for proper operation and pressure tested according to standard.

11. Painting

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Unmachined exterior surfaces of a valve shall be coated in accordance with the manufacturer’s standard or client requirement.

12. Packaging

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When packaging is not specified in the purchase order, valve may be shipped in palletized.

13. Certification

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Test certificate will be supplied.

14. Quarantee

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All valve which have repairing will get quarantee for 6 months.