Blind flanges are used to shut off a piping program or opening, even though continue to enabling quick access for inspection. [25]:eighty two The flare nut, which experienced Earlier been put in over the tubing, is then tightened more than the fitting to pressure the tapered surfaces tightly together. Flare http://valvesandfittings47024.blogofoto.com/18048826/facts-about-pipe-fitting-revealed