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Let’s take a look at the types of big and small heads.
Release time:
Jun 10,2022
What are the different types of steel reducers and reducing pipes? What are the process differences among them? Reducers—also known as reducing pipes, reducing straight connectors, or reduced-diameter short pipes—are commonly referred to as steel butt-weld reducers. They are a type of steel butt-weld pipe fitting used to connect two pipelines with different diameters, serving as a transition between pipes of varying sizes. These reducers can be broadly categorized into two main types: concentric reducers and eccentric reducers.
What are the different types of steel reducing tees and reducers? What are the process differences among them? Reducing tees—also known as reducers, eccentric reducers, or reduced-diameter short pipes—are commonly referred to as steel butt-welding reducing tees. They are a type of steel butt-welding pipe fitting used to connect two pipelines with different diameters, serving as a transition between pipes of varying sizes. These can be further divided into two main categories: concentric reducing tees and eccentric reducing tees.
Large-diameter welded eccentric reducers (reducing pipes) are classified into two types: concentric reducers and eccentric reducers. A concentric reducer is one in which the centers of the two pipe ends lie on the same straight line. An eccentric reducer, on the other hand, is one in which the centers of the two pipe ends do not lie on the same straight line. The advantage of an eccentric reducer is that it allows piping to run close to walls or floors without occupying additional space. It is used to connect two pipes of different diameters, thereby adjusting the flow rate accordingly.
Coupling-type reducer fittings are commonly used for quick coupling connections between pipes of different diameters and are suitable for low- and medium-pressure pipelines in fire protection and water supply systems. Threaded (screwed) reducers come in three types: internal-thread reducers, external-thread reducers, and both internal and external thread reducers. Socket-type reducers are typically forged or cast, featuring thick walls and designed for high-pressure applications. Grooved reducers are often used in fire protection piping systems for grooved couplings connecting pipes of varying diameters.
In terms of manufacturing processes, the commonly used methods for producing national standard reducer fittings (reducer pipes) include diameter-reducing restriction, diameter-expanding restriction, or a combination of both—diameter-reducing and diameter-expanding restrictions. For certain standard reducer pipes, stamping, rolling from steel plates, and high-pressure forging may also be employed. The diameter-reducing forming process for reducers involves placing a pipe blank with a diameter equal to that of the larger end of the reducer into a forming die. Under axial restriction applied along the length of the pipe blank, the metal is forced to flow into the die cavity and undergoes shortening and shaping. Depending on the magnitude of the diameter change in the reducer pipe, the forming process can be classified as either single-stage restriction forming or multi-stage restriction forming.
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