Pipe elbows are mainly used to connect two pipes. It is a pipe fitting that can change the direction of pipes.
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The range of elbow pipe consists of instructions angle, link type, size and span, and material kind.
As we understand, according to the instructions of the liquid in the pipeline, the joint can be split right into different levels, such as 45 degrees, 90 levels, 180 levels, and so forth, which are some of the most common degrees. There are also 60 levels and 120 levels, which are made use of for some special pipes.
According to the angle of the direction of the elbow, the elbow is divided into a 90-degree elbow, 45-degree elbow, 180-degree elbow (return elbow), and any angle elbow.
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Welded elbow: attached to the piping system by welding.
Threaded Elbow joint: With threaded connection, appropriate for the requirement to dismantle the celebration.
Flange Elbow: Connected to the piping system via the flange, appropriate to the need for constant disassembly events.
Short Elbow: Reasonably brief size, generally utilized in pipelines where area is limited.
Long elbow joint: Longer length, suitable for scenarios calling for a bigger bending span.
Lengthy span joint: Its flexing distance is reasonably huge, relevant to the demand for even more mild bending occasions.
Brief span arm joint: Its flexing radius is relatively tiny, suitable to the situation where the area is restricted.
1. Malleable iron pipe elbow
The malleable iron pipe elbow is the most common threaded elbow.
The specifications of malleable iron pipe elbows are relatively small, and the commonly used specifications range from 1/2 to 4 inches. According to their different surface treatments, they are divided into two types: galvanized and non-galvanized
JIANZHI Black Malleable iron Pipe Elbow JIANZHI Gi Malleable iron Pipe Elbow
Malleable steel pipe fittings have low strength and hardness, but good plasticity and toughness. They are used for parts with small load and high impact and vibration. It is mainly used for heating, upper and lower water pipes and gas pipes.
2. Pressed pipe elbow
Pressed elbows, also known as stamped pipe elbows or seamless pipe elbows, are formed by pressing high-quality carbon steel, stainless acid-resistant steel and low-alloy steel seamless pipes in a special mold.
&#; The bending radius of the long radius elbow is 1.5 times the nominal diameter (R=1.5DN), which is used in places where the pressure is high or the flow rate is high. In the low-pressure fluid or where the elbow is limited, the short radius elbow with a bending radius equal to the nominal diameter (R=1DN) is used.
Long Radius Pipe Elbow Short Radius Pipe Elbow
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&#; Its specification range is within DN20&#;600mm.
&#; The wall thickness range is the same as that of seamless steel pipes. &#; Pressed elbows are generally stamped and processed by professional manufacturers or processing plants with standard seamless steel pipes. Both ends of the elbows should be beveled before leaving the factory.
3. Stamped Welded Pipe Elbow
Stamping and welding pipe elbows are formed by stamping a half-ring elbow from a plate through a die, and then welding the two half-ring pipe elbows together. Its bending radius is the same as that of seamless pipe elbow, and its specification range is more than 200mm in nominal diameter.
Stamped Welded Pipe Elbow
4. Welding Pipe Elbow
There are two ways to make welded pipe elbows:
&#; One is to use steel plate as the raw material, then cut and roll it and weld in the processing plant. Most of them are used for the matching of steel coiled pipes.
&#; The other is to use pipes as raw materials, and then form them by assembling and welding. Its specifications are generally above 200mm. The use temperature cannot be higher than 200&#;, and it can generally be produced on the construction site.
Welding Pipe Elbow
5. High pressure Pipe elbow
High-pressure pipe elbows are forged from high-quality carbon steel or low-alloy steel.
According to the form of pipe connection, both ends of the pipe elbow are machined into threads or grooves. Its processing precision is very high, and it is required that the thread of the nozzle and the flange can be closely matched, and can be freely screwed in without loosening.
High pressure Pipe elbow
It is suitable for petrochemical pipelines with pressures of 22.0 MPa and 32.0MPa, and the commonly used specifications range from DN6 to 200mm.
JIANZHI Top of China Large Manufacturer of cast iron pipe fitting. 20-year experience in manufacturing cast iron products, including Malleable Iron Pipe Fittings, Grooved Pipe Fittings to Provide You With High-quality Products.
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Elbow pipe fittings are a necessary component in plumbing and piping systems. They enable pipes to shift direction, resulting in more efficient routing and installation. There are several types of elbow pipe fittings, each intended for a unique application and material. In this blog post, we will look at the most prevalent varieties and how they are used.
The conventional elbow pipe fitting is a 90-degree elbow. It makes a perpendicular turn in the pipe system. These elbows are commonly utilized in home and commercial plumbing, HVAC systems, and industrial piping applications. They are available in a variety of materials, including copper, PVC, galvanized steel, and stainless steel, to meet diverse piping requirements.
Another popular style is the 45-degree elbow pipe fitting. It offers a more gradual change in direction, which might be useful in some situations. These connectors are commonly used in compressed air, steam, and hydraulic systems where smooth flow and minimum turbulence are required.
Street elbows are a variant on the traditional elbow fitting. They are intended to connect pipes of various diameters and materials. One end of the street elbow has a straight, unthreaded socket, while the other is threaded to fit a different pipe size or material. These elbow pipe fittings are extensively used in plumbing and HVAC systems to connect pipes of different sizes or materials.
Long radius elbow pipe fittings can be used in applications that demand a tighter turn. These fittings have a longer bend radius, lowering flow resistance and turbulence. They are commonly employed in industrial piping systems such as those found in chemical plants, refineries, and power production facilities, where minimizing pressure drop is essential.
In addition to the regular types, there are specialist elbow pipe fittings that are intended for specific applications. One example is the eccentric elbow, which has an offset centerline. This design makes installation easier in spaces with limited headroom, such as pipe racks or overhead plumbing systems.
Another type of fitting is the reduction elbow, which switches between multiple pipe diameters within the same fitting. These elbow pipe fittings are handy for lowering or expanding pipe size without requiring extra fittings or couplings.
Elbow pipe fittings come in a variety of materials to suit different uses and situations. Copper, PVC, galvanized steel, stainless steel, and cast iron are among the most commonly used materials. Each material has advantages and disadvantages, such as resistance to corrosion, temperature tolerance, and pressure rating.
For example, copper and stainless steel elbow pipe fittings are frequently used in potable water systems due to their corrosion resistance and appropriateness for drinking water applications.
PVC fittings are widely utilized in household and commercial plumbing systems because they are inexpensive and simple to install.
Galvanized steel fittings are designed for industrial use and can endure high pressures and temperatures.
When choosing elbow pipe fittings, consider the application, operating circumstances, and compatibility with the piping material to ensure a dependable and long-lasting installation.
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