Long radius elbows are designed to provide gradual directional changes in industrial vacuum tubing, dust collection, pneumatic conveying, and material handling systems. Their extended centerline radius creates a smoother path for airflow and conveyed materials compared with standard or short radius elbows, helping reduce flow resistance and concentrated material impact in suitable applications.
Our custom long radius elbows and tubing bends are available in outside diameters from 1-1/2 inches through 8 inches, with multiple centerline radius (CLR) options to accommodate different industrial piping layouts. Bend angles and tangent lengths can be specified to meet individual installation requirements.
These industrial tubing bends are supplied with straight ends only for connection to compatible vacuum tubing and fittings. Standard tangent lengths are two times the tubing outside diameter, with a minimum of 5 inches. Custom tangent lengths are also available upon request.
Long radius elbows are commonly used in central industrial vacuum systems, dust collection piping, bulk material handling equipment, and pneumatic conveying installations where gradual directional changes are preferred. Selection depends on tubing outside diameter, material, wall thickness, bend angle, centerline radius, and connection requirements.
Need a custom size, radius, or bend angle? Contact Us for assistance selecting the correct long radius elbow for your industrial vacuum or pneumatic conveying system.
Long radius tubing bends can be ordered using the applicable part number or by specifying the required dimensions and configuration.
The example identifies the following:
Bend Angle Codes: 1 = 45°, 2 = 90°, 3 = 30°, 6 = 60°.
Standard Tangents: Two times the tubing outside diameter with a minimum length of 5 inches. Custom tangent lengths are available upon request.
Ordering Note: Confirm the complete manufacturer part number, material designation, bend angle, and tangent requirements before ordering. Additional sizes and configurations may be available.
Our long radius elbows are designed for industrial vacuum tubing, dust collection, pneumatic conveying, and material handling systems requiring gradual directional changes. Their larger centerline radius provides smoother transitions for airflow and conveyed materials compared with tighter-radius elbows.
To request a custom long radius elbow, specify the tubing outside diameter, material, wall thickness, centerline radius (CLR), bend angle, and required tangent lengths.
Need a custom bend? Contact Us for available sizes, bend configurations, and assistance selecting the correct long radius elbow.
All dimensions are in inches. OD = Tubing Outside Diameter; CLR = Centerline Radius. Available gauges and centerline radius options vary by tubing diameter.
| Tubing OD (in) | Available CLR (in) | Available Gauges |
|---|---|---|
| 1 1/2 | 1 3/4, 2 1/2, 3, 3 1/4, 4, 6, 7 1/2, 9, 12, 15, 18, 24, 30, 36 | 18, 16, 14, 11 |
| 2 | 2, 2 1/2, 3, 3 1/2, 4, 5, 6, 8, 9, 12, 15, 18, 24, 30, 36, 48 | 20, 18, 16, 14, 11 |
| 2 1/8 | 2 7/8, 3 1/2, 4 1/4, 5, 20, 24, 36 | 16, 11 |
| 2 1/2 | 2 1/2, 3, 3 1/4, 3 3/4, 4, 5, 6, 9, 12, 15, 18, 24, 30, 36, 48 | 16, 14, 11 |
| 3 | 3, 4 1/2, 6, 7 1/2, 9, 12, 15, 18, 24, 30, 36, 38, 48, 60 | 18, 16, 14, 12, 11 |
| 3 1/2 | 4, 5, 6, 7 1/2, 8, 8 3/4, 9, 12, 15, 18, 24, 30, 36, 48, 60 | 18, 16, 14, 11 |
| 4 | 4, 6, 8, 9, 10, 12, 18, 24, 30, 36, 48, 60 | 18, 16, 14, 11, 10 |
| 4 1/2 | 9, 12, 16, 20, 24, 30, 36, 48, 60 | 16, 14, 11 |
| 5 | 5, 5 1/2, 7 1/2, 12 1/2, 18, 24, 30, 36, 48, 60, 72 | 16, 14, 11, 10 |
| 6 | 7, 9, 15, 24, 30, 36, 48, 60, 72 | 16, 14, 11, 10 |
| 8 | 12, 20, 32, 48, 60, 72 | 14, 11 |
| 10 | 20, 32, 48 | 12, 11 |
Ordering Information: Specify tubing outside diameter, material, wall thickness or gauge, centerline radius (CLR), bend angle, and required tangent lengths. Long radius bends are supplied with straight ends. Standard tangents are 2 times the tubing OD, with a 5-inch minimum. Custom tangents are available.
Need a custom bend configuration? Contact Us for assistance with available materials, sizes, gauges, bend angles, and tangent lengths.
Long radius elbows, also known as long radius tubing bends, are commonly used in industrial vacuum, dust collection, pneumatic conveying, and bulk material handling systems. Their extended centerline radius (CLR) provides a more gradual directional transition for airflow and conveyed materials compared with standard or short radius elbows.
Long radius bends are particularly useful in applications where controlling airflow resistance, reducing concentrated material impact, and limiting product degradation are important considerations. They are available in various tubing diameters, wall thicknesses, bend angles, and centerline radii to accommodate specialized industrial installations.
Long radius elbows are used in central industrial vacuum cleaning systems to route tubing between pickup points, equipment, and central vacuum producers. Their gradual bend geometry can help reduce airflow resistance through directional changes, supporting efficient operation across extended tubing networks.
Long radius bends are widely used in pneumatic conveying systems transporting powders, pellets, grains, plastic resins, and other dry bulk materials. Their larger bend radius provides a more gradual change in material direction, which may help reduce localized impact, product degradation, and pressure loss in properly designed systems.
Industrial dust collection systems use long radius elbows to connect collection piping between dust-producing machinery and central dust collectors. Gradual bends can help maintain airflow through the ducting network while reducing abrupt directional changes that may increase resistance or encourage material accumulation.
Long radius elbows are used in bulk material transfer systems, railcar unloading, truck unloading, and industrial processing operations. These bends help guide conveyed materials through changes in piping direction and may reduce concentrated impact compared with tighter-radius fittings, depending on operating conditions.
The gradual geometry of long radius tubing bends provides several potential advantages in industrial vacuum and pneumatic conveying applications. Compared with tighter-radius elbows, a properly selected long radius bend may improve the transition of airflow and conveyed material through a change in piping direction.
Actual pressure loss, energy consumption, material wear, and product degradation depend on conveying velocity, material characteristics, elbow geometry, and overall system design.
Long radius tubing bends can be manufactured in different material grades and wall thicknesses depending on the application. Material selection should account for corrosion resistance, conveyed material, abrasion, operating conditions, and expected service requirements.
Available gauge options vary by tubing outside diameter. Refer to the long radius elbow dimensional table above for available centerline radius and gauge combinations.
When selecting a long radius elbow, confirm the tubing outside diameter, material, wall thickness or gauge, bend angle, centerline radius (CLR), and tangent length. Proper specification helps ensure compatibility with the existing vacuum tubing system and connecting fittings.
For pneumatic conveying applications, consider the conveyed material, particle size, abrasiveness, conveying velocity, pressure requirements, and available installation space. While longer-radius bends can reduce abrupt directional changes, the best bend geometry depends on the characteristics of the material and the system operating conditions.
Railcar and Truck Unloading: Long radius elbows are often used in pneumatic bulk unloading installations where material travels from a receiving hopper or unloading connection through conveying lines to storage silos, processing equipment, or receiving vessels. Bend geometry should be selected to accommodate the material and system requirements.
Need assistance specifying a custom long radius bend? Contact Us for help selecting the appropriate tubing diameter, bend angle, material, wall thickness, CLR, and tangent length.
A long radius elbow, also called a long radius tubing bend, is a fitting designed to provide a gradual change in direction within industrial vacuum, dust collection, and pneumatic conveying systems. Its extended centerline radius (CLR) allows airflow and conveyed materials to follow a smoother path compared with tighter-radius elbows.
Long radius tubing bends can be manufactured in different bend angles to meet specific installation requirements. The product illustration shows a 90° long radius bend, but other angles may be available as custom configurations. Specify the required bend angle when requesting a quotation.
Our long radius elbow dimensional table lists tubing outside diameters from 1-1/2 inches through 10 inches, with gauge options including 10, 11, 12, 14, 16, 18, and 20 gauge, depending on diameter. Specific wall thicknesses and available configurations vary by size. Contact us to confirm manufacturing availability, particularly for 10-inch bends.
The centerline radius (CLR) is the radius measured from the center of the bend to the centerline of the tubing. Long radius elbows are available with different CLR dimensions depending on tubing size. In the product diagram, B identifies the centerline radius. Refer to the dimensional table for listed CLR options.
Standard tangent lengths are two times the tubing outside diameter, with a minimum of 5 inches. Tangents are the straight tubing sections extending from the curved portion of the bend. Custom tangent lengths are also available upon request to accommodate specialized installation layouts.
Our long radius tubing bends are supplied with straight ends only. Compatible compression couplings are commonly used to connect the bends to industrial vacuum tubing and other compatible straight-end fittings. Verify tubing outside diameter, material, wall thickness, and connection requirements before ordering.
Long radius elbows are useful when installation space allows a gradual directional change and controlling airflow resistance, material impact, or product degradation is important. They are commonly considered for pneumatic conveying of powders, pellets, grains, and plastic resins, as well as bulk unloading and industrial vacuum systems. The most appropriate bend radius depends on conveying velocity, material characteristics, system pressure, wear requirements, and available clearance.
Not sure which long radius elbow or custom tubing bend is right for your industrial vacuum, dust collection, pneumatic conveying, or material handling system? Provide the tubing outside diameter, material, wall thickness or gauge, required bend angle, centerline radius (CLR), and tangent length, and our team can help identify the appropriate configuration. We can also assist with custom bend angles, centerline radii, and tangent lengths to meet your specific installation requirements.