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The incorrect use of butt welded bends can cause corrosion, when this occurs, the wall thickness will be thinner; concave and pit will happen partially. The inspection method for corroding butt welded bends: the fundamental principle of magnetic flux leakage inspection is based on the basic characteristics...

The main points of detailed connection technology of fire pipeline are as follows:  1. General requirements  a. If the pipe line for fire hydrant water supply system use hot-dip galvanized steel pipe, welding should not be adopted. If the lining of pipeline system is anti-corrosion, welding...

Landee pipe fittings manufacturer learn that the pipe for water supply almost is iron pipe. Sand mold cast iron pipes are mainly used outdoor; Galvanized iron pipes are used indoor and they can be divided into cold (electric) galvanized and hot dip galvanized. So when choosing thermal insulation pipe...

As the many kinds of valve have become more and more commonly used in industrial area, Honest Industrial think it is necessary to make an illustration about the installation of different valves.   1. The installation of pressure reducing valve: the valve should be installed in horizontal...

As the development of pipe industry, pipe and pipe fittings, including pipe coupling, pipe tee, pipe elbow are more and more widely use in industrial area. There are four types of welded steel pipe that are mostly used: 1. Welded steel pipe: it is also called welded pipe. It is shaped by steel plate...

Where can welded steel pipe and pipe bend be used? Here are some of them: 1. The low pressure fluid conveying welded steel pipe (GB/T3092-1993) is also known as general welded pipe, commonly known as the clarinet, which is used to transport oil, gas, air, water and heating steam and other general low...

Here Landee Pipe Fitting offers six tips for the identification method of fake thick-walled seamless pipe.   1. Fake thick-walled seamless steel tube is easy to fold. Folding is the lines formed on the surface of the thick wall seamless steel tube. This kind of defect is often throughout...

The connecting ways of pipe, pipe connecting parts and valves rely on the nature of the fluid, pressure, temperature, pipe material, size and where it is installed. The methods include thread connection, flange connection, the socket connection and welding connection.   (1) Threaded connection...

Stainless steel pipe is a hollow long round steel, and is widely used in industrial pipeline and mechanical structure parts such as petroleum, chemical, medical, food, light industry, machinery instrument etc. In addition, as to the bending and torsional strength, it is lighter, and it is widely used...

Cold extrusion of bend forming process is in the use of specified elbow forming machine, making the pipe be included in the external formwork, upper and lower mould clamping, under the impetus of the push rod, tube billet model along the internal model and reserved clearance sports and forming process....