has triangular element pattern and one design that meets all major global certifications. ANSI Flange and Circulation Heaters mount in pipes or vessels to heat liquids and gasses in various process industries. Bussing and Octobox housing are designed to achieve optimal heat distribution and fluid flow, and vertical bussing facilitates installation. Housing works with NPT as well as Gland Plate Style connectors and offers 6 different angles for bringing in conduit.