Pipe supports and hangers

An important part in the design of pipeline branch system

This entry is made by National Power Grid Operation and Control Standardization Technical Committee to examine.

The design and form selection of pipe supports and hangers is an important part of the pipe system design. In addition to supporting the weight of the pipe, the special pipe support can balance the force of the pipe system, limit the displacement and absorption of the pipe shock During the design of the pipeline system, the correct selection and layout of the pipe support with reasonable structure can improve the stress distribution of the pipeline and the force on the pipe support, ensure the safe operation of the pipeline system, and extend its use life 。

It is used to bear the pipeline load, control the pipeline displacement and vibration, and transfer the pipeline load to various components or devices on the bearing building structure. It is generally composed of pipe part, functional part, connector and root.^[1]

——From DL/T1113-2009 Code for Acceptance of Pipe Supports and Hangers in Fossil Fuel Power Plants

Chinese name: Pipe supports and hangers

Foreign name: pipe support and hanger
social meaning: Energy saving and emission reduction

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Product classification

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1. Insulated pipe support (EBK type): sliding pipe support, guide pipe support, fixed pipe support.
2. Cold insulation pipe support (CAK type): sliding pipe support, guide pipe support, fixed pipe support.
3. Heat insulation and cold insulation pipe bracket (ECK type)
4. Ordinary pipe support (EAK, EAH): clamp type pipe support, welding type pipe support.
5. Pipe holder with heat tracing pipe.

Model description

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1. Pipe support type: EB (heat insulation pipe support), CA (cold insulation pipe support), EC (heat insulation and cold insulation dual-use pipe support), EA (ordinary pipe support)
2. Connection type: K (clamp type), H (welding type)
3. Bottom plate type:
1 - sliding type (PTFE and stainless steel, friction coefficient 0.1); 2 - Guided type (PTFE and stainless steel, friction coefficient 0.1)
3 - sliding type (PTFE and stainless steel, friction coefficient 0.06); 4 - Guided type (PTFE and stainless steel, friction coefficient 0.06)
5 - sliding type (PTFE and stainless steel, friction coefficient 0.3); 6 - Guided type (PTFE and stainless steel, friction coefficient 0.3)
7 - Welding fixed type; 8 - Fixed limit baffle
4. Nominal diameter: the nominal diameter of the pipeline is divided into two series: A series and B series. A series is inch size, and B series is metric size. When the pipe diameter is inch specification, DN100 pipe is expressed as 4 "; when the pipe diameter is metric specification, DN100 pipe is expressed as 100.
5. Pipe support height: mm.
6. Pipe support length: mm.

social meaning

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energy conservation

1. Save steel.

2. Corresponding saving of coal and electricity and transportation.

Emission reduction

1. Steel saving means that carbon dioxide emission in smelting process is reduced.

2. There is no air pollution, noise pollution, light pollution, etc. from on-site feeding, cutting, welding, drilling, etc. in the installation process.

3. The labor intensity of constructors is reduced.

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