$5 Oil And Gas Heat Exchanger Saddle Engineering Design 3D model by arslanarif. Available on CGTrader with 5010 polys and 4565 vertices. Check it out on CGHub.
SLDPRT (SolidWorks, filesize: 1.31 MB), BLEND (Blender, filesize: 49.7 MB), OBJ (OBJ, filesize: 54 MB), FBX (Autodesk FBX, filesize: 19.2 MB), OTHER (Other, filesize: 2.37 MB), STL (Stereolithography, filesize: 32.9 MB), PDF (PDF, filesize: 136 KB)