Directly buried insulation elbow steel sleeve steel insulation elbow buried elbow power plant pipeline accessories

Description :

　　Hebei Xingsong Industrial Pipeline Anti corrosion and Insulation Engineering Company is a modern and civilized industrial enterprise that integrates scientific research, production, sales, construction, and service. Located in the central areas of Beijing, Tianjin, and Shijiazhuang, the company covers an area of 28500 square meters and has strong technical strength, excellent technical equipment, and talents. Our company mainly produces polyurethane products, rock wool products, fiberglass wrapped pipes, polyethylene, etc. Our company can customize various shaped products according to customer requirements, achieve scientific design, reasonable construction, and ensure that the quality of the products meets customer needs. Over the past few years, the company has established its own brand, Xinda, through excellent products, thoughtful services, and honest behavior, and has become a major player in the construction of many projects in China. At that time, we welcome calls and visits from manufacturers from all over the world to discuss business. Enterprise goals: Quality, the foundation of business, management, and the path to strong business; Efficiency is the source of prosperity. Driven by technology and striving for survival through quality. Seek efficiency from quality. Benefit comes from the return of serving society. Enterprise tenet: Quality comes before production, customer first, providing customers with excellent products and thoughtful services. Our commitment: The market is changing, but our commitment remains unchanged. The company adheres to the principle of "excellent quality, reputation first" to serve society and benefit humanity. Our company mainly produces polyurethane composites, foam insulation boards, foam insulation pipes, rock wool products, FRP winding pipes, and high-density polyethylene black and yellow jacket pipes (i.e., thermal insulation outer protective layer); Prefabricated polyurethane direct buried insulation pipe (i.e. pipe foam insulation); Prefabricated insulation elbow; Prefabricated insulation pipe fittings; Waiting for insulation materials. Our company can customize various shaped products according to customer requirements. And undertake polyurethane foam insulation projects for various large, medium, and small pipelines such as steam pipes, plumbing pipes, air conditioning pipes, power pipes, HVAC pipes, etc.

　　insulated elbow

　　1、 Definition

　　The insulation elbow is one of the insulation pipe fittings. It is composed of high-density polyethylene outer sleeve, polyurethane foam insulation layer and inner working steel pipe. Insulated elbows are mainly used for turning insulated straight pipes and are generally used in conjunction with insulated pipelines. They are designed to compensate for the insulation effect during pipeline design, so that the elbow part can also have sufficient insulation performance. The standard elbow angles are 30 degrees, 45 degrees, 60 degrees, and 90 degrees,. Insulated elbows are widely used in liquid and gas transportation pipelines, chemical pipeline insulation engineering, petroleum, chemical, centralized supply, central air conditioning ventilation pipelines, and municipal engineering pipeline bends. Insulation pipe (including elbows, tees, and tees) is a type of prefabricated insulation pipe with good insulation performance, safety and reliability, and low engineering cost. Effectively solves the problems of insulation pipe insulation, bending insulation, sliding lubrication, exposed pipe ends, waterproofing, and anti-corrosion at various pipeline projects such as heating, cooling, heating, power, and chemical engineering. Not only does it have advanced technology and practical performance that traditional trench and overhead pipeline laying cannot match, but it also has significant social and economic benefits, as well as energy-saving and environmental protection benefits. Execution standard:

　　CJ/T200-2004 "Technical Conditions for Prefabricated Directly Buried Steam Insulation Pipes for Urban Heating" CJ/T104-2005 "Technical Specification for Directly Buried Steam Pipes for Urban Heating" SY/T114-2000, SY/T115-2001 "High Density Polyethylene Polyurethane Foam Insulated Steel Pipe" is composed of elbows for conveying media, anti-corrosion outer steel pipes, and polyurethane combinations filled between elbows and outer steel pipes. The principle of insulation elbow is the same as that of directly buried insulation pipe, which is a new technology of waterproof, leak proof, anti-seepage, pressure resistant and fully enclosed burial. It is a major breakthrough in the use of directly buried laying technology in areas with high groundwater levels. The primary problem of the protective pipe of the directly buried pipeline is the reliability of tight waterproof. In addition, it should have good mechanical strength. Because of its high strength, the insulation elbow uses the high-density polyethylene outer pipe closely combined with the polyurethane foam insulation layer and the inner working steel pipe, so the reliability of waterproof sealing performance is very high. In addition, its high temperature resistance performance is also unmatched by other external protective pipes.

　　3、 Structural mechanism

　　1. High density polyethylene anti-corrosion coating: High density polyethylene pipes protect elbows from corrosive substances and plant corrosion, extending the service life of pipe fittings. Support the work pipe and be able to withstand certain external loads to ensure its normal operation. 2. Polyurethane foam layer: resistant to high temperature, ensure the medium temperature, ensure the surface of the external protection pipe to maintain normal temperature, and ensure the insulation of the internal work pipe fittings, so as to ensure that the foam will not be carbonized. 3. Working steel pipe: Ensure the normal flow of the conveying medium.

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