2. www.ldc-brushplating.com 2 LDC borstplätering Tel: +46 248 17440 ldc@swipnet.se LDC Portable Electroplating 1.Cold process: Used at room temperature, no stress or adjustments because of termal distorsion. 2.To tolerance: Normally no machining required 3.Quick metal build-up: 0,05 mm in 10-15 min. 4.Plating: On all conductive materials, cast iron, stainless, mild steel, copper, chrome etc 5.Dense deposits: No or very little porosity in most coatings 6.Many differens metals: Nickel, Gold, Silver, Copper, Cobolt, Zinc and alloys. 7.Excellent bonding: molecular bonding results in very god adhesion, all coatings can be machined, grinded or polished. 8.Mobile equipment: The repair can be done on site

3. www.ldc-brushplating.com3 LDC borstplätering

4. www.ldc-brushplating.com 4 LDC Brushplating Tel: +46 248 17440 info@LDCab.se Platform in North sea with damaged sealing areas in the blowout preventers.

5. www.ldc-brushplating.com 5 LDC Brushplating Tel: +46 248 17440 info@LDCab.se The sealing areas around the ball valve is corroded.

6. www.ldc-brushplating.com 6 LDC Brushplating Tel: +46 248 17440 info@LDCab.se Corroded sealing area in a blowout preventer is being brush plated with a hard copper of 250Hb.

7. www.ldc-brushplating.com 7 LDC Brushplating Tel: +46 248 17440 info@LDCab.se The surface is now brushplated with copper and with an thickness about 2mm.

8. www.ldc-brushplating.com 8 LDC Brushplating Tel: +46 248 17440 info@LDCab.se The surface is now mashined just to undersize to get the space for the final hard Nickel layer with an hardness of 58 HrC.

9. www.ldc-brushplating.com 9 LDC Brushplating Tel: +46 248 17440 info@LDCab.se Now is the final Nickel layer in process.

10. www.ldc-brushplating.com 10 LDC Brushplating Tel: +46 248 17440 info@LDCab.se After the Nickel plating is done no more mashining is required and the blowout preventer is ready for assembly.

11. www.ldc-brushplating.com 11 LDC Brushplating Tel: +46 248 17440 info@LDCab.se Damaged hydralic shafts on a drilltover in the Nort Sea was repaired onsite.

12. www.ldc-brushplating.com 12 LDC Brushplating Tel: +46 248 17440 info@LDCab.se An 10 meters long hydralic piston is damaged.

13. www.ldc-brushplating.com 11 LDC Brushplating Tel: +46 248 17440 info@LDCab.se Damaged area on the piston was about 6 meters long and up to 4 mm deep.

14. www.ldc-brushplating.com 14 LDC Brushplating Tel: +46 248 17440 info@LDCab.se All shar edges is to be grinded out. After that an hard copper of 250 Brinell is to be plated in the deep areas.

15. www.ldc-brushplating.com 15 LDC Brushplating Tel: +46 248 17440 info@LDCab.se Then the Copper layer is grinded back to original size we put an new Hard Chrome layer is plated on top. Then after that just some polishing.

16. www.ldc-brushplating.com 16 LDC borstplätering Tel: +46 248 17440 ldc@swipnet.se See you onsite. Best Regards LDC Brushplating