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A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level.
The CRA clad or lined pipe is composed of a conventional carbon steel or low alloy steel pipe and a corrosion-resistant alloy layer. CRA refers to corrosion-resistant alloy. The CRA layer is metallurgically bonded (clad) or mechanically bonded (lined) to the internal or external surface of the steel pipe. The carbon steel or low alloy steel pipe is called base metal, or backing steel; The CRA layer is usually called cladding material or lining. This is economically favorable for large-diameter heavy pipelines since the relatively much thinner CRA layer not only retains enhanced corrosion-resistant properties but also reduces the cost to the minimum. The CRA clad or lined steel pipes are widely used in pipeline transportation systems in the petroleum and natural gas industries. They are also extensively used for marine applications, chemical plant, and power plant, etc.
A pipeline repair clamp is a mechanical device that is used to fix a leaking pipeline segment without shutting it down or replacing the entire piece. It is a pipeline repair sleeve designed to fit over a leaking pipeline segment and provide a temporary or permanent barrier to prevent leakage.
Duplex stainless steel is a very useful metal that is used the world over. It gets its name from the fact that it consists of two different grades of metal. Essentially, Duplex is a Fe-Ni-Cr alloy that has a two-phase ferritic-austenitic stainless-steel microstructure when it is at room temperature.
En 10025 Pipes manufacturer produce these carbon steel pipes with carbon, silicon, manganese, phosphorus, and sulfur content. The carbon content is 0.2% of the total weight. The EN 10025 Steel Pipes is made in seamless and welded conditions. The difference between the two is that the welded pipes have larger diameters and high absolute roughness where the En 10025 Seamless Pipes have low absolute roughness and smaller diameters.
High-frequency welded pipes are generally straight-slit, but straight-slit welded steel pipes are not necessarily high-frequency welded. The high-frequency straight-slit electric resistance welded steel pipe is formed by the skin effect and the proximity effect of the high-frequency current after the hot-rolled coil plate is formed by the molding machine, and the edge of the tube blank is heated and melted, and pressure welding is performed under the action of the pressing roller to realize the production. The high-frequency resistance welded steel pipe is different from the ordinary welded pipe welding process. The weld is made of the base material of the steel strip body, and the mechanical strength is better than that of the general welded pipe. The surface is smooth, high precision, low cost, and has low weld seam height, which is beneficial to the coating of 3PE anti-corrosion coating
Ferritic stainless steels are a family of chromium-loaded alloys. This chromium content triggers the development of a distinctive crystalline microstructure. They can’t be hardened by heat treatment and are strongly magnetic, with excellent corrosion resistance, particularly in oxidizing environments.
Flat bars are a flat, rectangular section with square edges varying in sizes. This cost-effective steel product is suitable for a wide variety of applications and is distributed into the construction, engineering, manufacturing, mining, grating, fabrication and many other industries.
Galvanized welded pipe is hot dip galvanized on the basis of welded steel pipe (that is, the zinc is dissolved in the zinc pot, and then the steel pipe is immersed in liquid zinc for a period of time, and then cooled and dried). The inner and outer walls of the steel pipe are simultaneously attached with a zinc layer. Galvanized pipes are generally used for conveying low pressure fluids (i.e. water, liquid gas).
Gate valve is an opening and closing part of the gate plate, the direction of motion of the gate plate is perpendicular to the direction of the fluid, the gate valve can only be fully opened and fully closed, can not be adjusted and throttled. Gate valves are sealed by contact between the seat and the gate plate, and the sealing surface is usually surfacing with metal material to increase wear resistance. There are rigid gate and elastic gate, according to the different gate, gate valve is divided into rigid gate valve and elastic gate valve.
The “globe valve”, also known as the cut-off valve, is a forced sealed valve, so when the valve is closed, pressure must be applied to the valve disc to force the sealing surface not to leak. It is one of the most widely used valves, it is popular because the friction between the sealing surface in the opening and closing process is small, more durable, the opening height is not large, easy to manufacture, convenient maintenance, not only for low pressure, but also for high pressure.
H-section steel beam is a kind of economical section material with more optimized cross-sectional area distribution and more reasonable strength-to-weight ratio. It is named because its section is same as English letter “H”. Due to the right-angle arrangement of all parts of H-beam, it has been widely used in steel structure buildings for its strong bending resistance, simple construction, cost saving and light structural weight in all directions.
I-beams are commonly made of structural steel but may also be formed from aluminium or other materials. A common type of I-beam is the rolled steel joist (RSJ), sometimes incorrectly rendered as reinforced steel joist. British and European standards also specify Universal Beams (UBs) and Universal Columns (UCs).
Longitudinal submerged arc welded is produced by using a single medium and thick plate as the raw material, pressing (rolling) the steel plate in a mold or forming machine into a tube blank, using double-sided submerged arc welding, and expanding the diameter.
Martensitic stainless steel is a type of stainless steel alloy that has a martensite crystal structure. It can be hardened and tempered through aging and heat treatment. The other main types of stainless steel are austenitic, ferritic, duplex, and precipitation hardened.
Mechanical connector is the pipe connector that connects the cut pipe and the joint pipe quickly, the structure is simple and ingenious, the operation is convenient and fast, and the leakage prevention effect is good, especially the bad pipeline can be flexibly removed, and the available pipeline can be retained to the maximum extent, so that the repair work is fast and easy and saves materials, and the repair cost can be greatly reduced.