90° elbow rubber soft connection according to their own needs to choose

90 ° elbow rubber soft connection before the connection of contaminated 90 ° elbow rubber soft connection pipe or 90 ° elbow rubber soft connection fittings inside and outside dirt should be cleaned up; 90 ° elbow rubber soft connection is connected to the pipe separately mounted on a flange with grooved ring; 90 ° flanging process for the two pipe ports, flanging after the port plane grinding, should be vertical and flat, no burrs, no bump, deformation,. The pipe ports need to be rounded with special tools. Both sides of the 90 ° elbow rubber seal ring has been installed O-shaped rubber seal ring, embedded in the flange with groove ring, 90 ° elbow rubber seal ring inner hole aperture and pipe inner diameter is the same, are concentric circles; flange hole articulation with bolts, articulation needs to be symmetrical tightening bolt assembly; in the tightening process, along the axial advance of the two tubes of each flange plane, uniform tightening of the two sides of the O-shaped seal ring is rigid Contact, flexible sealing condition, so that the joint is sealed.
When the titanium element is added to the steel, carbon will preferentially combine with titanium to form titanium carbide, so that it can be useful to prevent the generation of chromium carbide and the formation of grain boundary poor chromium, and ultimately can be useful to prevent intergranular corrosion. As titanium and nitrogen can be combined to form titanium nitride, titanium and oxygen can be combined to form titanium dioxide, and therefore the addition of titanium elements have corresponding constraints, in practice 90 ° elbow rubber soft joint production to prevent intergranular corrosion, the addition of titanium is mainly about 0.8%. In order to prevent intergranular corrosion, 90 ° elbow rubber soft connection containing titanium solution treatment must also be done after the stabilization process. In the solid solution treatment after the austenite 90 ° elbow rubber soft connection to obtain a single-phase austenite arrangement, but the state of this arrangement is not stable, when the temperature is increased to greater than 450 ℃, the solid solution of carbon will be gradually divided by the shape of carbide, the 90 ° elbow rubber soft connection of the composition temperature is 650 ℃, 900 ℃ is the TiC composition temperature. To prevent intergranular corrosion should be reduced 90 ° elbow rubber soft connection content, so that the carbide to TiC shape exists.