Spray device and use thereof

A spray gun for spraying a coating composition comprising a first component and a second component, said spray gun comprising:

• (A) a spray gun body comprising a carrier inlet for conveying a carrier, a first inlet connected to a first connection path for conveying the first component, and a second inlet connected to a second connection path for conveying the second component;
• (B) a tubular nozzle casing having a longitudinal casing axis and a nozzle, said tubular nozzle casing being housed within said spray gun body;
• and
• (C) a spray needle comprising a first spray channel having a longitudinal first channel axis and a first channel opening, and a second spray channel having a longitudinal second channel axis and a second channel opening, said spray needle being housed within said tubular nozzle casing and being configured to slide between a spray position and a closed position, said first channel opening and said second channel opening being positioned adjacent to each other at said nozzle;
• wherein:
• said longitudinal casing axis, said longitudinal first channel axis and said longitudinal second channel axis are substantially parallel to each other;
• and
• said first spray channel is configured to connect to said first connection path and said second spray channel is configured to connect to said second connection path, when said spray needle is at said spray position, for conveying said first and said second component separately to said nozzle.