{"id":55716,"date":"2025-09-03T16:59:52","date_gmt":"2025-09-03T08:59:52","guid":{"rendered":"https:\/\/krceramicfiber.com\/?p=55716"},"modified":"2025-09-03T17:01:23","modified_gmt":"2025-09-03T09:01:23","slug":"common-insulation-material-used-for-gas-pipeline","status":"publish","type":"post","link":"https:\/\/krceramicfiber.com\/ko\/common-insulation-material-used-for-gas-pipeline\/","title":{"rendered":"\uac00\uc2a4 \ud30c\uc774\ud504\ub77c\uc778\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc77c\ubc18\uc801\uc778 \ub2e8\uc5f4\uc7ac"},"content":{"rendered":"

1. Polyurethane Foam<\/a> (PUF)<\/h3>\n

Features: Low thermal conductivity (approximately 0.022-0.033 W\/m\u00b7K), excellent insulation performance, available in integrally cast or prefabricated shell and pipe forms.<\/p>\n

Applications: Outdoor buried gas pipelines and central heating pipelines, commonly found in “direct-buried insulated pipes.”<\/p>\n

Advantages: High strength, corrosion protection, and excellent moisture resistance.<\/p>\n

\"\"<\/p>\n

2. Polyethylene\/High-Density Polyethylene (PE\/HDPE) Protective Layer + Polyurethane Insulation<\/h3>\n

Mostly used for underground gas pipelines, the outer sheath provides waterproofing and corrosion resistance.<\/p>\n

3. Rubber-Plastic Insulation (NBR\/PVC)<\/h3>\n

Features: Flexible, moisture-resistant, and easy to install.<\/p>\n

Applications: Generally used for indoor low-pressure gas pipelines (typically where temperature differences are minimal and only condensation protection is required).<\/p>\n

4. Rockwool\/Mineral Wool Shell and Pipe<\/h3>\n

Features: High-temperature resistance (above 600\u00b0C) and excellent fire resistance.<\/p>\n

Applicable to: Areas requiring fireproofing and heat insulation, or gas pipelines near high-temperature sections such as boilers and heating furnaces.<\/p>\n

A protective layer of aluminum foil or iron sheet is required to prevent water absorption and failure.<\/p>\n

5. Calcium Silicate Insulated Pipe Shell<\/a><\/h3>\n

Features: High strength, pressure resistance, and temperature resistance of 650-1000\u00b0C.<\/p>\n

Applicable to: High-temperature gas pipelines (such as gas pipelines near industrial furnaces), or where pressure resistance and fire protection are required.<\/p>\n

\"\"<\/p>\n

6. Aerogel Composite Felt<\/a><\/h3>\n

Features: Ultra-low thermal conductivity (approximately 0.015 W\/m\u00b7K), high-temperature resistance, and thin thickness.<\/p>\n

Applicable to: Gas pipelines in limited space or with extremely high energy efficiency requirements.<\/p>\n

Selection Principles<\/h3>\n

City gas pipelines (normal temperature, medium and low pressure):<\/strong> Generally do not require complex insulation. For cold regions or for frost protection, polyurethane direct-buried insulation pipe or rubber-plastic materials are often used.<\/p>\n

For industrial high-temperature gas pipelines:<\/strong> Rock wool, calcium silicate, or aerogel are recommended, offering both fire resistance and thermal insulation.<\/p>\n

Buried gas pipeline:<\/strong> polyurethane foam + polyethylene outer sheath is the most common combination.<\/p>\n

KERUI Refractory supplies different insulation materials for gas pipelines. If you have any needs or questions, please contact us and our technical engineers will serve you in a timely manner!<\/p>","protected":false},"excerpt":{"rendered":"

1. Polyurethane Foam (PUF) Features: Low thermal conductivity (approximately 0.022-0.033 W\/m\u00b7K), excellent insulation performance, available … Read more<\/a><\/p>","protected":false},"author":1,"featured_media":55462,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,3],"tags":[],"class_list":["post-55716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","category-news","no-featured-image-padding","resize-featured-image"],"yoast_head":"\nCommon Insulation Material Used For Gas Pipeline - Your Thermal insulation material Manufactruer | Kerui Refractory\u00ae Official Website<\/title>\n<meta name=\"description\" content=\"KERUI Refractory supplies different insulation materials for gas pipelines. 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