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BEIHAI YUEDA FRP PRODUCTS
What are the installation requirements for fiberglass reinforced sand pipes?
Release time:
2021/11/22
Fiberglass reinforced sand pipes have a smooth inner surface, making them suitable for large diameter (500mm) water transport pipelines. They have low wear resistance and good hydraulic fluid characteristics, with the advantages becoming more apparent as the pipe diameter increases. Conversely, for the same pipeline transport volume, the project can be replaced with smaller diameter steel pipes, thereby reducing initial project investment. Fiberglass sand pipes significantly reduce head loss during transportation compared to other pipes, saving pump electricity and energy.
The fiberglass sandwiched pipe has a smooth inner surface, suitable for large diameter (500mm) water transport pipelines, with low wear resistance and good hydraulic fluid characteristics. The larger the pipe diameter, the more obvious the advantages. Conversely, under the same pipeline transport volume, the project can be replaced by smaller diameter steel pipes, thus reducing the initial engineering investment. The fiberglass sandwiched pipes greatly reduce head loss during transportation compared to other pipes, saving pump electricity and energy.
The fiberglass sandwiched pipe is designed with a high safety factor. Laboratory simulation tests show that the lifespan of ordinary water supply and drainage sand fiberglass pipes is over 50 years, which is twice that of steel and concrete pipes. For highly corrosive media, its lifespan is much higher than that of steel pipes.
The clamp-type fiberglass pipes can be designed according to different special user requirements, producing products of different specifications, pressure ratings, stiffness ratings, or other special properties.
The fiberglass sandwiched pipe itself is corrosion-resistant and does not require rust prevention, pollution prevention, insulation, or thermal insulation measures and maintenance. Buried pipelines do not require cathodic protection, thus saving a lot of maintenance costs.
Comprehensive benefits refer to the long-term effects formed by various factors such as construction investment, installation and maintenance costs, service life, and energy savings. The comprehensive effect of fiberglass pipes is desirable. Especially, the larger the pipe diameter, the lower the cost. Further considering the buried pipelines, they can be used for several generations and can exert their superior comprehensive effects.
The installation sequence of fiberglass sandwiched pipes is divided into zones, boundary lines, large diameter first then small diameter, lower layer first then upper layer, pipeline corridor first then connecting equipment, and the pipeline connected to the machine should generally be matched from inside to outside. To reduce the impact of welding stress on machine installation accuracy, the entrances of indoor and outdoor pipelines should be on the outside.
What are the installation requirements for fiberglass sandwiched pipes?
1. Before installation, the contents related to pipeline installation should be reviewed, including equipment nozzles, embedded parts, reserved holes, steel structures, etc.
2. The slope of the pipeline should be adjusted according to the drawing requirements. The adjustment method can use supports to meet the slope requirements, and welding should be installed in places that are easy to maintain and observe.
3. The pipeline connected to the transmission equipment should be cleaned internally before installation, and the welding fixed nozzle should generally be away from the equipment to avoid the impact of welding stress on the installation accuracy of the transmission equipment.
4. Before the pipeline connects to the machine, prevent relative strength and check the parallelism and coaxiality of the flange in a free state.
5. The safety valve should be installed vertically, and adjustments to the safety valve should be made promptly during trial operation. The final adjustment of the safety valve will be carried out in the system, and the opening and return pressure should comply with the specifications in the design documents.
6. Before installing the valve, confirm the model according to the design documents and determine the installation direction based on the medium flow. If the valve and pipeline are connected by flanges or threads, the valve should be closed during installation. If installed by welding, the valve cannot be closed.
7. Temporary replacement of instrument components: all instrument components should use temporary components during installation, and after testing pressure, cleaning, and cleaning work is completed, they should be formally installed before being put into use.
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