Pneumatic conveying elbows are responsible for changing the flow direction of materials within your dry bulk handling system. Pipe elbow dimensions &#; including degree, line size, and centerline radius &#; affect the speed and efficiency of product transfer as well as the effect your system has on that material. Making sure you choose the right components helps you improve your productivity while maintaining high quality.
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While the difference between a 45-degree elbow and a 90-degree elbow seems obvious, these two options have very different effects on conveying. Here, we explore the benefits and drawbacks of each component to help you optimize your pneumatic conveying system.
45-degree pneumatic conveying elbows
What is a 45-degree elbow?
A 45-degree elbow is a fitting that changes the direction of material flow within your pipelines by 45 degrees.
Benefits of a 45-degree elbow
The shallower angle of a 45-degree elbow reduces product impact against the pipe wall. This protects both your components and dry bulk material from damage. It also reduces the amount of energy and speed lost during transfer, lowering the energy requirements of your system.
Drawbacks of a 45-degree elbow
While a 45-degree elbow reduces impact damage, it&#;s more susceptible to abrasion. As well as contributing to plastic streamers or grain friability, this can cause your elbow to wear away more quickly. The shallow angle also means your system is likely to take up more space, which can be problematic for smaller factories.
90-degree pneumatic conveying elbows
What is a 90-degree elbow?
A 90-degree elbow creates a joint between two pneumatic conveying pipes at right angles to each other. For this reason, a 90-degree elbow is sometimes called a quarter bend.
Benefits of a 90-degree elbow
With its sharper angle, a 90-degree elbow allows less time for dry bulk material to scrape along the pipe interior. This reduces the risk of abrasive damage to the elbow and the material, helping you maintain high product quality and reducing maintenance time and costs. The ability to quickly change from horizontal to vertical movement (or vice-versa) also means you can design a smaller, more compact pneumatic conveying system.
Drawbacks of a 90-degree elbow
The quick change in direction in a 90-degree elbow puts it and your materials at greater risk of impact damage. As heavier materials slam into the pipe, they also lose energy and speed. To compensate, more power is required to keep dry bulk materials moving through the pipelines.
Is a 45-degree elbow better than a 90-degree elbow?
Which degree of pneumatic conveying elbow you choose for your system will depend on the kind of material you convey. Since a 45-degree elbow has greater impact resistance, it might be more suitable for heavier materials like coal or mining products. On the other hand, the abrasion-resistant qualities of a 90-degree elbow make it a good fit for plastics, foodstuffs, and fine powders.
But no matter what you convey, one of the most influential factors in your decision will be your available floor space. If you have room to spare, the greater spatial requirements of a 45-degree elbow won&#;t be a problem. If space is limited and you need a compact system, a 90-degree elbow might be better.
How to calculate pipe elbow dimensions
Purchasing a pipe elbow with the wrong dimensions can seriously disrupt your operations. You might experience greater abrasive wear, product degradation, and system downtime, all of which increase costs and reduce profitability.
That&#;s why we&#;ve prepared a handy elbow dimension calculator that can give you accurate measurements in seconds completely free. Simply input the measurements you already know and the calculator will confirm the rest.
And if you need help measuring a pneumatic conveying elbow, this short video will tell you everything you need to know:
Optimize your system with ultra-strong custom elbows from Progressive Products
For more than 40 years, we&#;ve been making durable, long-lasting, cost-effective pneumatic conveying elbows that help companies in all industries enhance their productive capabilities. Each one is highly abrasion resistant and can stay in place for a long time without being replaced. That means you can enjoy lower costs, greater uptime, and increased efficiency, all without changing line flow.
And the best part? Every elbow we manufacture is available in both 45 and 90 degrees!
Check out our range of elbows online now to find the best fit for your system and products, or contact our friendly expert team to arrange custom manufacturing for specialist components.
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There are many models and types of pipe fittings, and the function of the elbow is to change the path of the pipe. 45-degree and 90-degree elbows represent elbow fittings with different bending angles.
Here are the main differences between 45-degree elbows and 90-degree elbows:
Aspects of pipe fitting angles:
45 Degree Elbow: This type of elbow has a 45 degree bend. This means that the fitting has changed 45 degrees from its original orientation
90 Degree Elbow: This type of elbow has a 90 degree bend. This means that the fitting changes 90 degrees from its original orientation. The pipe changes direction at a right angle, making the turn sharper than a 45 degree elbow.
JIAZNHI PIPE FITTINGS
Turning radius:
45-degree elbow: The turning radius of a 45-degree elbow is larger than that of a 90-degree elbow. The curvature is not large and the direction change is 45 degrees.
90-degree elbow: The turning radius of a 90-degree elbow is small and presented in the form of a right angle, resulting in a drastic change in direction.
JIAZNHI PIPE FITTINGS
Smoothness of liquid flow in pipelines:
45-degree elbow: 45-degree elbows are typically used when liquids or gases need to turn gradually. Liquids and gases have less impact on the pipe wall than a 90-degree elbow.
90-degree elbow: 90-degree elbow is usually used when liquids and gases need to turn at right angles. They cause greater flow resistance and greater impact on the pipe wall than 45-degree elbows.
application:
45 Degree Elbows: These are typically used in applications where smoother fluid flow is required, such as pipes where gradual changes in direction are preferred.
90-degree elbow: Typically used when a sharp change of direction is required and space constraints may require a tighter turn.
The choice of a 45-degree elbow or a 90-degree elbow depends on the specific design requirements of the pipe or duct system, which takes into account the space available, the materials being transported within the pipe, the angle required and the direction of the angle.
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