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Schematics of some of our most popular manual guns, clearly labeled to help you find replacement parts. Click the links below to view each schematic as a PDF.

B12S20  B12S20 Schematic                      
B18S20 B18S20 Schematic
B26S20 B26S20 Schematic
AT1200S AT1200S & AT1200S-2 Instructions & Schematics

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Engineering Tidbit

Single Action Air Guns
  • Air power allows for smooth dispensing
  • Manual load improves speed and quality
  • Its simplicity improves reliability
  • Air pressure = material containment pressure
Dual Action Air Guns
  • Air power in both dispensing and loading directions
  • Commonly used on two component applications
  • Commonly used on single component applications