Instrument heating and insulation
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This post was last edited by zhoudingshengs on 2023-11-7 at 15:57. Steam rock wool insulation pipes are a common type of insulation material, and their specifications include aspects such as outer diameter, inner diameter, thickness, and length. 1. Outer diameter specification: The outer diameter specification of steam rock wool insulation pipes refers to the diameter of the pipe’s insulation layer. Depending on different application requirements, the outer diameter of steam rock wool insulation pipes can come in various options; common outer diameter sizes include 15mm, 20mm, 25mm, 30mm, etc. These outer diameter specifications are suitable for pipes of different diameters, meeting the requirements of various engineering projects. 2. Inner diameter specification: The inner diameter specification of steam rock wool insulation pipes refers to the diameter of the internal space of the pipe. Similar to the outer diameter specifications, there are also various options for the inner diameter specifications of steam rock wool insulation pipes; common inner diameter sizes include 10mm, 15mm, 20mm, 25mm, etc. The selection of the inner diameter specification depends on the specific pipe dimensions and fluid transfer requirements. 3. Thickness specifications: The thickness specifications of steam rock wool insulation pipes refer to the thickness of the pipe’s insulation layer. The thickness of the insulation layer directly affects its insulating performance; therefore, it is very important to choose the appropriate thickness. Common thickness specifications include 20mm, 30mm, 40mm, 50mm, etc. When selecting the thickness specification, factors such as the operating temperature of the pipeline, the ambient temperature, and insulation requirements need to be taken into account. 4. Length specification: The length specification of steam rock wool insulation pipes refers to the length of the insulation pipes. For the convenience of construction and installation, the length of steam rock wool insulation pipes is generally 3m or 6m; other lengths can also be customized according to actual needs. The selection of length specifications should take into account the actual length of the pipeline and the convenience of construction. 5. Other specifications: In addition to the common specifications mentioned above, steam rock wool insulation pipes are available in other forms as well, such as waterproof insulation pipes and anti-corrosion insulation pipes. These steam rock wool insulation pipes with special specifications are suitable for engineering projects in special environments and with special requirements. The specifications of steam rock wool insulation pipes include aspects such as outer diameter, inner diameter, thickness, and length. When selecting specifications, factors such as pipe size, operating temperature, and insulation requirements need to be considered to ensure effective insulation and ease of installation.
The inner diameter of the rock wool tube shell should match the outer diameter of the heat tracing tube; generally, an inner diameter slightly larger than that of the heat tracing tube is chosen, so as to fully enclose the heat tracing tube within the rock wool tube shell and ensure there is sufficient space between them for filling with insulation material, thereby achieving a better insulating effect. Therefore, for the 18X3 tube you are using, the inner diameter of the rock wool tube casing can be chosen to be around 21 mm. .
You have only taken the heat tracing pipelines into account, but not the pressure guiding pipelines, right?
I’m very sorry; I misunderstood. For your situation, in order to ensure that both the instrument pressure guide tubes and the heat tracing pipelines are fully enclosed within the rock wool casing and achieve good insulation effects, it is recommended to choose an appropriate inner diameter. Generally, the inner diameter should be larger than the sum of the diameters of the pressure guide tube and the heat tracing tube, plus the space required for the insulating filler. Therefore, you can choose an appropriate inner diameter based on the actual conditions; it is generally recommended to keep it between 25mm and 30mm. .