Quantity   Component name
1 × UXCELL 3 Pcs Micro Motor 3V 12000Rpm Micro DC motor 15 x 12 x 10 mm
1 × 1/8" Plain Tube Check Valve PART NUMBER: 11740-316-0.6BARG-FKM, from Cambridge Reactor Design
2 × M1.4 x0.3 DIN927 screw
1 × Ball Valve stator Part 1 Direct metal laser sintering (3D printed)
1 × Ball valve Direct metal laser sintering (3D printed)
1 × Ball Valve stator Part 2 Direct metal laser sintering (3D printed)
1 × Air tank Direct metal laser sintering (3D printed)
1 × Metal sheet part for electrical connection