Stainless steel pipe fittings, especially tee, elbow and size are used more and more in the pipeline construction process, this is mainly because of its good forming, pressure-resistant ability, welding form simple and so on, in order to ensure the pressure capacity of the pipeline, so in the process piping engineering, especially in the petrochemical and other high-temperature high-pressure and flammable explosive pipeline, The reasonable use of pipe fittings and the quality of the pipe itself directly play an important role.
Because of this, in the pipeline design, installation process, especially in the petrochemical industry high temperature and high pressure and inflammable and explosive pipeline engineering, no matter from the design selection or manufacturing, until the construction of the installation and inspection of each link, design and manufacture and installation unit personnel to strictly check, to ensure its selection, use of materials, manufacturing, installation and inspection quality, Otherwise in the plant construction and production process will cause difficult SI loss.
Stainless Steel pipe Fittings is a kind of pipe, it is made of stainless steel, so called stainless steel pipe fittings, it includes stainless steel elbow, stainless steel tee, stainless steel four-way, stainless steel reducer, stainless steel pipe cap, etc., according to the joint method can be divided into socket-type stainless steel pipe fittings, threaded Stainless Flange stainless Steel pipe fittings and welded stainless steel pipe fittings four categories.
Stainless Steel pipe Fittings is a kind of new type of pipe fittings with a wide range of uses, in general, the processing methods are as follows:
1, forging method: The use of forging machine will be beveling part or part of the extension, so that the outside diameter is reduced, common type forging machine has rotary, connecting rod type, roller type.
2. Roller method: Placing the core in the stainless steel tube, pushing the external roller, and processing the round rim.
3, Stamping method: In the punching machine with taper of the core to expand the pipe end to the desired size shape can be.
4, bending forming method: There are three kinds of methods are more commonly used, one method called stretching method, another method called stamping method, the third roller method, there are 3-4 rollers, two fixed rollers, one adjustment roller, adjust the fixed roller spacing, finished pipe fittings is curved.
5, rolling method: Generally without mandrel, suitable for thick wall tube inside round edge.
6, bulging method: One is to place rubber in the tube, the above with a punch compression, so that the pipe bulge forming; Another method is hydroforming, filled with liquid in the middle of the pipe, the pressure of the tube drum into the desired shape, the production of corrugated pipe is mostly used in this way.