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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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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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04 2022.03
Introduction to size head

Introduction to size head

The reducer tube is also called the large and small head, reducer, and reducer reducer. Any of several chemical pipe fittings used to connect two pipes of different diameters. According to the different shape, it can be divided into concentric large and small head and eccentric large and small head. Size head material includes stainless steel size head (304304l316316l), alloy steel, carbon steel size head, size head material is 20 steel, Q235, Q345, 16Mn and so on.
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04 2022.03
The production process of tee

The production process of tee

The hydraulic expansion of tee is a forming process in which the branch pipe is expanded by axial compensation of metal material. The process is to use a special hydraulic press, and the diameter of the three tube billet into the liquid, through the hydraulic press two horizontal side cylinder synchronous movement extrusion tube billet, tube billet after the extrusion volume becomes smaller, the liquid in the tube billet with the volume of the tube billet decreases and the pressure rises, when the three tube branch pipe expansion required pressure, Under the double action of the liquid pressure in the side cylinder and the tube blank, the metal material flows along the inner cavity of the die and expands the branch 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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