Orbitalum Orbitalum, formally known as George Fischer or GF, manufactures precision cutting and beveling equipment that goes hand in hand with orbital welding. Their saws make a smooth, burr-free, and square cut to within .005" tolerance on a wide variety of metals including exotics like Hastelloys and Inconels. For piping and tubing of heavier wall thicknesses that require end preparation, George Fischer manufactures quality beveling equipment. Due to the fact that proper fit up is an essential part of the orbital welding process many of our customers have utilized the Orbitalum equipment with great success. Click here to go to view the full line Orbitalum pipe tools catalog. Click here to go to the Orbitalum website