Rotary Mechanical Control Valve 3D model is available on CGTrader for $5. Original author: arslanarif. Specs: 1031910 polys, 1030429 verts.
BLEND (Blender, filesize: 42.4 MB), OBJ (OBJ, filesize: 96.2 MB), FBX (Autodesk FBX, filesize: 36.4 MB), GLTF (glTF, filesize: 41.1 MB), STL (Stereolithography, filesize: 98 MB), PLY (Ply, filesize: 36.6 MB)