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What is an electric valve?

What is an electric valve? Electric valve is simply to use electric actuator to control the valve, so as to realize the opening and closing of the valve. It can be divided into upper and lower parts, the upper part is an electric actuator, and the lower part is a valve. It can also be called air conditioning valve. Working Principle of Electric Valve Working environment and function requirements of electric valves Electric valve function requirements Electrical control of electric valves Basic types of electric valves Valves for Metallurgical Systems Main Functions of Electric Valve Characteristics of Electric Valve Comparison […]

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What is a pipe sleeve?

What is a pipe sleeve? Pipe sleeve is a protective ring used to keep a pipe hole open, a ring used to fill the gap between a pipe and another surface, or a covering to create a barrier between a pipe and its surroundings. Some pipes carry very hot or cold materials. In some cases, it is vital that these materials stay at the current temperature, so an insulating sleeve keeps the temperature inside the pipe. On the other hand, those same materials could affect the temperature of their surroundings or cause burns if touched. Pipe sleeves protect from this […]

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What is an elbow?

What is an elbow? The steel elbow is a pipe fiting that changes the direction of the pipe in the piping system. According to the angle, there are three most commonly used 45° and 90°180°, and other abnormal angle elbows such as 60° are also included according to engineering needs. The bending radius is less than or equal to 1.5 times the diameter of the pipe belongs to the elbow, and 1.5 times larger than the pipe diameter belongs to the elbow. The materials of the elbow are cast iron, stainless steel, alloy steel, malleable iron, carbon steel, non-ferrous metal […]

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What is a metal spiral wound gasket

What is a metal spiral wound gasket? metal spiral wound gasket is a kind of gasket which is widely used at present. It is the gasket with the best resilience in the semi-metal gasket. It is made of V-shaped or W-shaped thin steel strip and various fillers. High temperature, high pressure and adapt to the conditions of ultra-low temperature or vacuum. By changing the material combination of the gasket, the chemical corrosion of the gasket can be solved by various media. The structural density can be made according to the different locking force requirements. The main body and the accurate […]

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What are pipe fittings

What are pipe fittings? Pipe fittings are general terms for components in the piping systems that function as connection, control, direction change, split, seal, and support. According to different processing methods, it is divided into four categories, namely butt welding pipe fittings (both weld and no weld), socket welding and threaded pipe fittings, flanged pipe fittings.  Common classification of There are many types of pipe fittings, which are classified according to the use, connection, materials, and processing methods. By purpose By connection Socket weld pipe fittings Buttweld pipe fittings Threaded pipe fittings Outlet pipe fittings By material Standards of pipe […]

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What are Stamping Elbows

What are stamping elbows? The stamping elbow is formed by punching a half-shaped elbow with a stamping die of the same material as the pipe, and then welding the two half-ring elbows in pairs. Due to the different welding standards of various types of pipes, it is usually fixed by semi-finished products by group-to-spot welding. The on-site construction is welded according to the grade of pipe welds. Therefore, it is also called two-half welding elbows. Because the stamping elbow has good comprehensive performance, it is widely used in chemical engineering, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, […]

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What is a ERW pipe

What is a ERW pipe? ERW pipe (also called ERW steel pipe) is the abbreviation Electric Resistance Welded Pipes. Electric resistance welding refers to a group of welding process (including spot and seam welding) that produce coalescence of faying surfaces where heat to form the weld is generated by the electrical resistance of material combined with the time and the force used to hold the materials together during welding. ERW steel pipes and tube are available in various qualities, wall thicknesses, and diameters of the finished pipes. 1 Specification 3 Production Process 5 Issues and defects 2 Applications 4 Technical Requirements 6 Difference Specification of ERW […]

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What is thin-walled steel pipe

What is thin-walled steel pipe? A steel pipe having a ratio of the outer diameter of the steel pipe to the wall thickness of more than 20 is referred to as a thin-walled steel pipe. Thin-walled steel pipe thin-walled steel pipes are all cold drawn. Among them, carbon steel , low alloy steel, alloy steel thin wall pipe is suitable for general structure and mechanical structural parts; thin wall fluid steel pipe is used for conveying general fluid; stainless steel thin wall pipe is used for chemical, petroleum, light industry, food , mechanical instrument, etc. Industrial heat-resistant containers, conveying pipes and mechanical structural parts. Steel pipe specification method: outer diameter * wall thickness (mm) […]

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What is thick-walled steel pipe

What is thick-walled steel pipe? Thick wall steel pipe, the steel pipe The diameter and wall thickness of the steel tube ratio is smaller than 20 is called the thick wall steel pipe. Mainly used for drilling, pipe for petrochemical industry Cracking tube , Boiler tube And bearings and car, tractor, aircraft with high precision tube structure. Brief introduction Standard parameters Welding technology Technological process Maintenance How to identification thick-walled steel pipe Brief introduction The general use of thick wall steel pipe hot rolling technology, if it is a unit of measure to distinguish words, then, generally, the wall thickness / diameter equal to 0.05 is a […]

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What is a seamless steel pipe

What is a seamless steel pipe? A seamless steel pipe is a circular pipe having a hollow section and no seams around it. The seamless steel pipe is made of carbon steel, alloy steel, stainless steel ingot or solid tube blank, and then is made by hot rolling, cold rolling or cold drawing. Seamless pipes are considered superior to welded pipes as they are built using monolithic steel billets, with intrinsic mechanical strength, without seam welds. 1 Characteristics 2 Classification 3 Manufacturing process 4 Material 5 Standard 6 Dimension 7 Applications 8 Quality testing Characteristics of seamless steel pipe Seamless steel pipe for the use of engineering […]

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