The FF-1100 is an ID mount flange facer designed to reface the sealing faces of flange joints typically used in pressure vessel systems. The FF-1100 can create flat faces and a variety of grooved profile faces (such as RTJs (ring-type joints). Our robust, lightweight, and efficiently designed flange facer can work in the tightest and most obscure places. It can be used to turn flanges of 43” OD to 5.7” ID.