Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
The market is generally worried that the European debt crisis will affect global crude oil demand expectations. At the beginning of this week, international crude oil prices fell below 85 US dollars, the lowest level in nearly half a month. However, the analysis pointed out that oil prices in the future market will rise, and the slow recovery of oil supply in Libya will not hinder the upward movement of oil prices. Analysts pointed out that concerns about Greece’s default have dragged down oil...
How to Selecting the sleeves? If you have project that need heat shrinkable sleeves, how to choose correct one ? Firstly, Confirm the pipe operating temperatures, such as 50 Deg C, 60 Deg C, 80 Deg C, 100 Deg C , 110 Deg C or 120 Deg C. Secondly:Pipe Coating type Thirdly:Cutback distance Fourth:Outside pipe diameter Fifth:Adverse soil conditions Sixth:Pipe laying method Seventh:Climate conditions Eighth:Receoomended pipe preparation Nineth:Mechanical resistance class
Heat-shrinkable materials consist of an external backing made of extruded andcross-linked polyolefin and an internal adhesive made of thermoplastic material. The shrinkage ofthe backing instils a level of circumferential compressionin the coating that supplements the bonding of the sleeve to the pipe surface. The adhesive have two mainly types:Hot melt adhesive and Mastic Hot Melt Adhesive: Precise melt points , preheat temperature is critical Anchor pattern and surface preparation are...
Insulated steel pipes are widely used in our daily lives, and their presence can often be found in liquid and gas transportation pipelines, petrochemicals, and centralized municipal engineering. So, what is insulated steel pipe? What advantages does it have? Steel pipes processed using modern insulation technology, after a series of treatments, can ensure that their internal and external temperatures meet the requirements during operation in complex environmental conditions and different...
Steel pipes can be divided into two categories according to production methods Steel pipes can be divided into two categories according to production methods: seamless pipes and welded pipes, with welded pipes abbreviated as welded steel pipes. 1. Seamless pipes can be divided into hot-rolled seamless steel pipes, cold drawn pipes, precision seamless steel pipes, hot expanded pipes, cold stamped pipes, and extruded pipes according to production methods. Seamless pipes are made of high-quality...
Seamless pipe is a type of steel pipe made by continuous rolling and piercing of steel billets. Compared with welded pipe, it has the following characteristics: 1. Seamless: Seamless pipes have no welds, making their overall structure more uniform and consistent. In contrast, welded pipes may produce welds during the welding process, which may have welding defects and weaknesses, thereby affecting the strength and sealing of the pipeline. 2. High strength: Seamless pipes are made by processing...
Storage tanks are important infrastructure in industries such as petroleum, chemical, grain, food, fire protection, transportation, metallurgy, and national defense. Corrosion and leakage of storage tanks can affect the production and environment of enterprises. Due to long-term storage of corrosive media, storage tanks are prone to corrosion and leakage. Therefore, the importance of tank anti-corrosion is obvious. So, how to corrosion protection of storage tanks? What anti-corrosion measures...
Ethylene vinyl acetate copolymer (EVA) is a polymer obtained by copolymerizing non-polar, crystalline ethylene monomer and amorphous vinyl acetate (VA) monomer in the presence of an initiator. Its production process originates from high-pressure polyethylene. Classification of EVA products EVA elastomer The VA content in EVA elastomers is about 40% to 70%, and EVA elastomers are mainly used as rubber elastomers and PVC modifiers. The higher VA content determines that it is almost or completely...
Faced with the storage issue of anti-corrosion steel pipes, I believe many friends have doubts in this regard. Today, we will introduce the storage issue of anti-corrosion steel pipes and give a brief introduction! 1. The appearance of anti-corrosion steel pipes entering and leaving the warehouse needs to be inspected as follows: ① Conduct a root by root inspection to ensure that the surface of the polyethylene layer is flat and smooth, with no dark bubbles, pits, wrinkles, or cracks overall,...
Epoxy resin anti-corrosion steel pipe is a type of steel pipe, and its surface coating is a two-component, high solid coating mainly composed of epoxy resin. Widely applicable to drinking water tanks, water pipelines, water tanks, and other places. 1. Steel pipes: various steel pipes such as seamless steel pipes, straight seam steel pipes, spiral steel pipes, etc. 2. Epoxy resin coating, this product is a two-component, high solid coating mainly composed of epoxy resin as the main agent....
Viscoelastic anti-corrosion tape and heat shrink sleeve (tape) are anti-corrosion materials that can be used for repairing pipeline welds, but they differ in material composition, application scenarios, construction methods, and processes. So how to choose when repairing pipelines? Below, we will have a detailed understanding of viscoelastic anti-corrosion tape and heat shrink sleeve (tape). In terms of material composition, Visco Elastic Tape is composed of a new type of high-performance...
With the rapid development of technology, networking, digitization, and intelligence have become the major trends in social development, and the construction of oil and gas pipelines has also entered the era of "smart pipelines". In order to comply with the development trend of pipeline construction, China Petroleum Corporation has timely proposed the "Five Modernizations" of standardized design, factory prefabrication, modular construction, mechanized operation, and information management, as...
Customers often ask about the price of polyethylene winding tape, but cannot distinguish whether it is cold winding tape or heat shrink winding tape. After reading this article, we can answer your questions. Materials The heat shrink tape substrate is processed by radiation cross-linking irradiation and special hot melt adhesive, which has a certain degree of shrinkage performance. Cold-Applied Polymeric Tape (Innerwrap Tape,Outerwrap Tape) is made of polyethylene substrate composite with butyl...
In recent years, the socio-economic development has become increasingly rapid, bringing great pressure on the use of natural resources to society, while also accelerating the development process of natural gas as a new type of energy. Nowadays, in the process of using natural gas energy, although natural gas energy has many application advantages, due to the short application time of natural gas in China, especially for some long-distance natural gas pipeline stations with long geographical...
As we all know, pipelines that transport oil, gas, chemicals and petroleum products are of crucial significance to the country economy. Therefore, the performance and maintenance of the pipelines are vital in the process. However, buried pipelines are easy to subject to corrosion attack if it is exposed to a wet environment. Pipeline corrosion refers to the deterioration of the pipes due to its interaction with the surrounding environment. It negatively affects the integrity and longevity of...
1.1 Classification based on purpose a. Long distance gas pipeline b. Urban gas pipeline Gas main pipeline: responsible for the transportation of gas throughout the city. Distribution pipeline: distributes gas to various users, including street distribution pipelines and courtyard distribution pipelines. User introduction pipe: Guide gas from the courtyard pipe to the user's indoor pipe. Indoor gas pipeline: including riser, horizontal pipe, sag pipe, etc., distributes gas to various gas...
1、 Anti corrosion treatment of galvanized pipes Galvanized pipes, as steel pipes with a surface galvanized layer, are coated with a layer of zinc to enhance their corrosion resistance. Therefore, using galvanized pipes outdoors or in humid environments is a good choice. However, in certain special situations, such as when installing pipelines underground, galvanized pipes may require further anti-corrosion coating treatment. 2、 Do galvanized pipes require anti-corrosion treatment when buried...
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.