Profile: American Maintenance Systems is a manufacturer and supplier of pipe tools to various industries. Our bleeder cleaner allows clogged bleeder, vent, and instrument tap valves to be cleaned safely & efficiently while containing the process material. Our flange spreaders actuate mechanically, pneumatically, and hydraulically. The roto-wedge design of our spreader attaches to the flange through the bolt holes, securing the flange spreaders to piping that will not slip out.