insulation accessories Southern Stud Weld Your browser does not support script ACCESS PLUG FLANGE INSPECTION PORTS manufactures the most durable and wide-ranging inspection ports... to process temperatures, from extreme heat to cryogenic applications. The Access Plug Flange ensures the integrity of the system, even if the insulation is lost or discarded during... the inspection process. Our Access Plug Flanges are manufactured under patents owned by David D. Barton, President of APF Inc. Clicking on the following link will load an Adobe PDF File...

welding systems, manufacture and distribute a complete line of insulation accessories. Our Access Plug Flange product line is designed to identify and access test measurement locations...