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Stainless steel welding fitting elbow 90 degrees

Stainless steel welding fitting elbow 90 degrees

Stainless steel welding fitting elbow 90 degrees

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Product Information

Welding has certain technical requirements for operators, which is highly professional. However, there are a group of professional hydraulic workers in the industry who are competent. Mayer welding pipe fittings are divided into socket welding and butt welding. Socket welding is recommended below DN65. Butt welding is recommended above. The appearance is slightly different, which can be shown in the picture obviously.



Welding technology has a long history, which can be traced back to the Bronze Age thousands of years ago.

Welding is the process of melting and recrystallizing metal.

Stainless steel pipe fittings are welded by heating, high temperature or high pressure, gas argon arc welding or electric arc welding is usually used.

The welding rod is melted and the pipe fittings and pipes are fused together to joint.



Simple operation: Connection operation of grooved pipe fittings is very simple, without special professional skills, ordinary workers can operate after simple training. This is because the products have incorporated a large number of fine technical parts into the finished products in a factory way. A pipe connection only takes a few minutes, which simplifies the technical difficulty of field operation to the greatest extent and saves man-hour, thus stabilizing the quality of the project and improving the work efficiency. This is also the general direction of installation technology development.


the original characteristics of pipelines are not affected.

The connection of grooved pipe fittings only extrudes a groove on the outer surface of the connected pipe with a grooving machine, without damaging the inner wall structure of the pipe. This is the unique technical advantage of grooved pipe fittings connection. If the traditional welding operation is adopted, many pipelines with anticorrosive coating on the inner wall will be damaged. Therefore, the specification stipulates that galvanized pipes, plastic-lined pipes, steel-plastic composite pipes and so on must not be welded and flanged connection, otherwise secondary treatment is required.


Favorable to Construction Safety

The grooved pipe fittings connection technology is adopted, and only the handles for cutting machine, grooving machine and button bolt are needed on site, so the construction organization is convenient. The use of welding and flange connection requires complex power cables, cutting tools, welding machines, oxygen and acetylene cylinders, which brings complexity to the construction organization, and there are also potential risks of leakage and fire. At the same time, the welding slag produced by welding and gas cutting inevitably falls into the pipeline, which is prone to pipe valves and even equipment blockage in use, and also pollutes the water quality in the pipeline.


The system is stable and easy to maintain.

The connection mode of grooved pipe fittings has unique flexible characteristics, which makes the pipeline have the ability of anti-vibration, anti-shrinkage and expansion. Compared with welding and flange connection, the stability of pipeline system increases, and it is more suitable for temperature change, thus protecting pipeline valve fittings and reducing the damage of pipeline stress to structural parts.


Because the connection of grooved pipe fittings is easy to operate, the required operating space becomes smaller, which brings many convenient conditions for future maintenance. When the pipeline needs to be repaired and replaced, only two clamps can be loosened to replace, rotate and modify a section of pipeline at will. There is no need to destroy the surrounding walls, which reduces the maintenance time and cost.


Economic Analysis

The connection of grooved pipe fittings is easy to operate and saves labor and time, so it has good economic benefits. Many articles have done economic analysis, that "the use of clamp connection, although the price of a single part of the clamp is higher, but the overall benefit of the installation of the whole network is higher than the flange connection". In contrast, the flange connection is treated by secondary galvanizing (which is also necessary according to the requirements of specifications).


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