Automatic Solenoid Valve Assembly Machine (Polygon mesh 3D model) is available on CGTrader for $89. Original author: Lovano. Specs: 1489338 polys, 4468014 verts.
STL (Stereolithography, filesize: 71 MB), OBJ (OBJ, filesize: 105 MB), BIP (KeyShot, filesize: 185 MB), IGE (IGES, filesize: 109 MB)