Application of Hastelloy C HVAF Coating to Oil Refinery Vessel

Vessel type: Heat Exchanger, Shell and Cover

Vessel #: Shell E-325, both ends open, welded 2 nozzles and the support saddles; separate cover

Vessel spray area: Internal surface of the whole vessel and cover

Shell ID 1.02 m x Length 5.84 m;

Cover ID 1.02 m x Length 0.61 m and head

2 nozzles ID 0.25 m x 0.36 m Length

Total spray area: 22 m2

Customer: Chevron Richmond Refinery, California

Completion: February 4, 2013, shop application

Application method: AcuKote HVAF, spray-blast technology. Rotation of the vessel on rollers, Robotic traverse of the gun on internal beam. Cover sprayed in rotation (attached to the shell) with robot. Nozzles sprayed with manual traverse fixture.

Spray material: Pre-alloyed (gas atomized) Hastelloy C powder

1. General drawing and view

2. HVAF Blasting Process (Grit: Alumina 150 mesh; blasting to “White metal”)

3. HVAF Spraying Process: Vessel ID

HVAF Spraying Process (continued): Cover and Nozzles

5. Coating Completed

For more information:

Kermetico Inc.

3900 Oregon St., Ste. 2, Benicia, CA 94510 (USA)

Phone: (707) 745-3862

Fax: (707) 745-3894

Web: www.kermetico.com

E-mail: averstak@kermetico.com