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17 2022.11
Application of thermal insulation anticorrosive pipe fitting technology

Application of thermal insulation anticorrosive pipe fitting technology

Pipeline is the key material of construction engineering, but also important material, and to provide security for life. Of course, pipeline engineering is a hidden project, if the pipeline leakage or burst will bring irreparable consequences.
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17 2022.11
Rifeng welding inspection rod research and development and application, promote the small revolution of pipeline after-sales

Rifeng welding inspection rod research and development and application, promote the small revolution of pipeline after-sales

Recently, the industrial welding inspection rod equipment independently developed by Rifeng has been put into use. The equipment has high detection efficiency and can realize the whole house pipeline detection. Not only has it promoted the upgrading of the quality of Rifeng products and after-sales service, changed the way of simple manual inspection and pushed the pipeline welding inspection to the "fast lane", but also will soon trigger a "small revolution" of after-sales service!
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16 2021.09
What are the advantages of stamping elbow

What are the advantages of stamping elbow

1. Development trend of stamping elbow pipe: The raw material of the stamping elbow not only has qualified creep rupture curve, but also the price of the pipe is moderate, the construction is more convenient and fast than other varieties, and the connection form belongs to the reliable standard intermelt hot melt connection form at the present stage. The pore diameter of the pipe fitting is larger than the inner diameter of the pipe of the same specification. In the system, the fluid resistance of the system is relatively small because there is no mechanical connection with local diameter reduction.
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16 2021.09
Matters needing attention in the processing of stamping elbow

Matters needing attention in the processing of stamping elbow

Stamping elbow processing is a production technology of parts with a certain shape, size and performance by means of the power of conventional or special stamping equipment, which makes the sheet material directly subjected to the deformation force in the die and deforms. Good production techniques in processing. Sheet material, die and equipment are the three elements of stamping processing, and good use and coordination should be paid attention to in production. Stamping process is a cold deformation process of metal. Therefore, it is called cold stamping or sheet stamping, or stamping for short. It is one of the main methods of metal plastic processing (or pressure processing), also belongs to the material forming engineering technology.
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04 2022.03
Definition of Pipeline

Definition of Pipeline

A pipe is a device connected by pipes, pipe couplings and valves for conveying gas, liquid or fluid with solid particles. Usually, the fluid is pressurized by the blower, compressor, pump and boiler, and flows from the high pressure to the low pressure of the pipeline. The fluid can also be transported under its own pressure or gravity. Pipelines have a wide range of uses, mainly used in water supply, drainage, heating, gas supply, long-distance transport of oil and natural gas, agricultural irrigation, hydraulic engineering and various industrial installations.
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04 2022.03
The manufacturing process of large and small heads

The manufacturing process of large and small heads

Seamless size head making Small head (reduced pipe) is a pipe fitting used for pipe calibers. The commonly used forming process is reducing diameter pressing, expanding diameter pressing or reducing diameter plus expanding diameter pressing. Stamping can also be used for some specifications of reducing pipe.
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Cangzhou Hengjia Pipeline Co., Ltd. located in “Chinese Pipeline Equipment Manufacturing Base”-Yanshan County of Hebei Province is a sales company of Hebei Longrun Pipeline Group Co., Ltd. 

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