Concrete Pump Elbow Change the direction of the pipeline
Elbow Classification Elbow In the piping system, the elbow is the pipe that changes the direction of the pipe. According to the angle, there are 45 ° and 90 ° 180 ° three kinds of the most commonly used, according to the project also includes 60 ° and other non-normal angle elbow. Elbow material is cast iron, stainless steel, alloy steel, can be cast iron, carbon steel, nonferrous metals and plastics. The way to connect with the pipe are: direct welding (the most commonly used way) flange connection, hot melt connection, fused connection, threaded connection and socket connection. According to the production process can be divided into: welding elbow, stamping elbow, pushing elbow, casting elbow and so on. Other names: 90 degrees elbow, right angle bend, love and so on. 1. Material to divide carbon steel, cast steel, alloy steel, stainless steel, copper, aluminum alloy, plastic, argon Ge Lek, PVC, PPR and so on. 2. The production method can be divided into push, suppression, forging, casting and so on. 3. To the manufacturing standard can be divided into national standard, electric standard, water standard, American standard, German standard, Japanese standard, Russian standard and so on. 4. According to its radius of curvature to points: can be divided into long radius elbow and short radius elbow. Long radius elbow refers to its curvature radius is equal to 1.5 times the outer diameter of the tube, that is, R = 1.5D. The short radius elbow refers to its radius of curvature equal to the outer diameter of the tube, ie R = 1.0D. (D is the elbow diameter, R is the radius of curvature).
, The use of different materials for the elbow with the core and the core.Then the large-scale push machine for structural transformation, so that production is ready to push the special large diameter thin-walled high temperature, high pressure special material elbow technical requirements. The material pipe is cut according to the required size, and hanging into the large push machine, the tube pushed out within 180 degrees of various angles of the large diameter special elbow.The invention fundamentally solved the existing method of making large High calorific value, high pressure elbow forming bad, poor processing quality, low production efficiency, large material consumption, can not scale the production and the appearance of poor technical problems.To meet the major thermal power plants and petroleum, chemical industry required The need for large-diameter high-temperature, high-pressure pipeline .1, large caliber elbow push method, which is characterized by: first using CAD technology designed to push the elbow within 180 degrees with the core and core, followed by large Push the machine to carry out the structural transformation, so that the production equipment to achieve large-scale thermal power plant dedicated large diameter thin-walled high temperature, high pressure special material elbow technical requirements, and then the special material pipe according to the required size of the material, and hanging Large push Machine, the tube made of the pushing member 180 at various angles within a large diameter thin-walled high temperature, high pressure special elbow. If the diameter of the elbow, the long radius is the most commonly used, generally the default chromium carbide wear elbow is also a long radius, high pressure or high flow rate will be used where the long radius, if the solid pipeline resistance requirements With a greater radius elbow.
The short radius is usually used in low pressure fluids or where the elbows are limited in the installation.
The elbow is the part that connects the pipe, and the pipe that changes the direction of the pipe. Angle of 45 degrees, 90 degrees and so on.
The way the elbows are connected to the pipe are: direct welding (most commonly used) flange connection, hot melt connection, fused connection, threaded connection and socket connection. Tags: large elbow.