The rigid polyurethane foam prefabricated directly buried thermal insulation pipe is widely used in the field of hot crude oil transportation or heating pipeline, especially in medium and small diameter pipelines, due to its uniq... [阅读全文]

I believe friends have heard of TPEP anti-corrosion steel pipes, but their detailed introduction may not be comprehensive enough. Today, we will provide a detailed introduction to TPEP anti-corrosion steel pipes, the fourth genera... [阅读全文]

Steel sleeve steel directly buried insulation steel pipe is a new laying technology suitable for underground directly buried pipelines. The prefabricated buried steel sleeve steam insulation pipeline made of high-temperature centrifu... [阅读全文]

In this issue, I will introduce the production process of TPEP corrosion-resistant spiral steel pipes with outer 3 layers of polyethylene and inner epoxy resin powder. Firstly, steel pipe pretreatment is an important step in the... [阅读全文]

Rubber and plastic foam cold insulation and plastic coated steel pipes for overhead cold insulation pipes are mainly used for pipes below normal temperature. By covering the outside with cold insulation materials, the transmission... [阅读全文]

I believe friends have all heard of TPEP anti-corrosion spiral welded steel pipes, which are steel pipes with an outer layer of PE polyethylene and an inner layer of EP epoxy resin anti-corrosion. However, it may not be parti... [阅读全文]

The outer layer of polyethylene PE and inner layer of EP epoxy resin powder anti-corrosion spiral steel pipe, abbreviated as TPEP anti-corrosion steel pipe, have good insulation and chemical corrosion resistance. The adhesive enha... [阅读全文]

Polyurethane high-density polyethylene prefabricated directly buried insulation pipe is also called polyurethane insulation pipe, polyurethane rigid foam prefabricated pipe, rigid polyurethane foam plastic prefabricated directly buried i... [阅读全文]

Surface treatment is an important step in improving the service life of double-sided submerged arc welded spiral steel pipes. In order to achieve better anti-corrosion effect, spiral steel pipes usually need to undergo four surfa... [阅读全文]

The process of manufacturing large-diameter EP epoxy resin coated steel pipes for water supply and drainage mainly includes steps such as steel pipe pretreatment, plastic coating, and curing. The pre-treatment of steel pipes is a... [阅读全文]