Double wye fittings are used to connect two branch lines into a common main tubing run in industrial vacuum, dust collection and pneumatic conveying systems. Available configurations include Double 90° TY, Double 45° YL and Double Y / DY fittings for different airflow, material flow and system layout requirements.
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Material Gauge:
2-1/8″ through 4″ O.D. — 16 Gauge
5″ through 6″ O.D. — 14 Gauge
All dimensions are in inches.
Double 90° TY fittings connect two branch lines into a common main tubing run in industrial vacuum, dust collection and pneumatic conveying systems. They are used where two pickup points, process lines or conveying branches must merge into a shared main line.
Available Materials: Carbon Steel, Galvanized Steel, Aluminum 6061 and 304 Stainless Steel.
End Configurations: Expanded ends are standard through applicable sizes. Straight ends and mixed straight/expanded configurations are available.
Expansion Depth: 1-3/8″ through 4″ O.D.; 1-5/8″ for 5″ and 6″ O.D.
E: Inside Diameter (I.D.) = A
G: Inside Diameter (I.D.) = F
11 gauge configurations are available with straight ends only.
| Part No. | Size | A – O.D. | B | C | F – O.D. | H | K |
|---|---|---|---|---|---|---|---|
| DTY-215 | 2-1/8 | 2-1/8 | 5 | 9-5/32 | 2-1/8 | 8-13/16 | 9-1/2 |
| DTY-256 | 2-1/2 | 2-1/2 | 6 | 10-1/2 | 2-1/2 | 10-1/32 | 10 |
| DTY-307 | 3 | 3 | 7-1/2 | 11-19/32 | 3 | 5-29/32 | 10-1/2 |
| DTY-358 | 3-1/2 | 3-1/2 | 8-3/4 | 12-31/32 | 3-1/2 | 6-9/16 | 13 |
| DTY-409 | 4 | 4 | 10 | 15-7/8 | 4 | 14-29/32 | 14 |
| DTY-515 | 5 | 5 | 12-1/2 | 19-3/8 | 5 | 18-5/8 | 18-1/2 |
| DTY-615 | 6 | 6 | 15 | 22-7/8 | 6 | 22-11/32 | 21 |
Double 90° TY Specifications
2-1/8" through 4" O.D. — 16 Gauge
5" through 6" O.D. — 14 Gauge
Materials: Carbon Steel, Galvanized Steel, Aluminum 6061 and 304 Stainless Steel.
End Configurations: Expanded ends are standard through applicable sizes. Straight ends and mixed straight/expanded configurations are available.
Expansion Depth: 1-3/8" through 4" O.D.; 1-5/8" for 5" and 6" O.D.
E: Inside Diameter (I.D.) = A
G: Inside Diameter (I.D.) = F
11 gauge configurations are available with straight ends only.
All dimensions are in inches.
Material Gauge:
2-1/8″ through 4″ O.D. — 16 Gauge
5″ through 6″ O.D. — 14 Gauge
All dimensions are in inches.
Double 45° YL fittings connect two branch lines into a common main tubing run using gradual 45-degree transitions. They are commonly used in industrial vacuum, dust collection and pneumatic conveying systems where smoother airflow and material movement are important.
Available Materials: Carbon Steel, Galvanized Steel, Aluminum 6061 and 304 Stainless Steel.
End Configurations: Expanded ends are standard through applicable sizes. Straight ends and mixed straight/expanded configurations are also available.
Expansion Depth: 1-3/8″ through 4″ O.D.; 1-5/8″ for 5″ and 6″ O.D.
E: Inside Diameter (I.D.) = A
G: Inside Diameter (I.D.) = F
11 gauge configurations are available with straight ends only.
| Part No. | Size | A – O.D. | B | C | F – O.D. | H | K |
|---|---|---|---|---|---|---|---|
| DYL-2151 | 2-1/8 | 2-1/8 | 5 | 9-3/32 | 2-1/8 | 4-11/16 | 9-1/2 |
| DYL-2561 | 2-1/2 | 2-1/2 | 6 | 10-5/32 | 2-1/2 | 5-3/16 | 10 |
| DYL-3071 | 3 | 3 | 7-1/2 | 11-19/32 | 3 | 5-29/32 | 11-1/2 |
| DYL-3581 | 3-1/2 | 3-1/2 | 8-3/4 | 12-31/32 | 3-1/2 | 6-9/16 | 13 |
| DYL-4091 | 4 | 4 | 10 | 14-11/32 | 4 | 7-1/4 | 14 |
| DYL-5151 | 5 | 5 | 12-1/2 | 17-9/16 | 5 | 9 | 18-1/2 |
| DYL-6151 | 6 | 6 | 15 | 20-25/32 | 6 | 10-15/32 | 21 |
Double 45° YL Specifications
2-1/8" through 4" O.D. — 16 Gauge
5" through 6" O.D. — 14 Gauge
Materials: Carbon Steel, Galvanized Steel, Aluminum 6061 and 304 Stainless Steel.
End Configurations: Expanded ends are standard through applicable sizes. Straight ends and mixed straight/expanded configurations are available.
Expansion Depth: 1-3/8" through 4" O.D.; 1-5/8" for 5" and 6" O.D.
E: Inside Diameter (I.D.) = A
G: Inside Diameter (I.D.) = F
11 gauge configurations are available with straight ends only.
All dimensions are in inches.
Material Gauge:
2-1/8″ through 4″ O.D. — 16 Gauge
5″ through 6″ O.D. — 14 Gauge
All dimensions are in inches.
Double Y / DY fittings connect two branch lines into a common main tubing run using a symmetrical double-branch configuration. They are used in industrial vacuum, dust collection and pneumatic conveying systems where two pickup points or process lines must merge into a shared main line.
Available Materials: Carbon Steel, Galvanized Steel, Aluminum 6061 and 304 Stainless Steel.
End Configurations: Expanded ends are standard through applicable sizes. Straight ends and mixed straight/expanded configurations are also available.
Expansion Depth: 1-3/8″ through 4″ O.D.; 1-5/8″ for 5″ and 6″ O.D.
E: Inside Diameter (I.D.) = A
G: Inside Diameter (I.D.) = F
11 gauge configurations are available with straight ends only.
| Part No. | Size | A – O.D. | B | C | F – O.D. | H | K |
|---|---|---|---|---|---|---|---|
| DY-2151 | 2-1/8 | 2-1/8 | 5 | 7 | 2-1/8 | 7 | — |
| DY-2561 | 2-1/2 | 2-1/2 | 6 | 8 | 2-1/2 | 8 | — |
| DY-3071 | 3 | 3 | 7-1/2 | 9-1/2 | 3 | 9-1/2 | — |
| DY-3581 | 3-1/2 | 3-1/2 | 8-3/4 | 10-3/4 | 3-1/2 | 10-3/4 | — |
| DY-4091 | 4 | 4 | 10 | 12 | 4 | 12 | — |
| DY-5151 | 5 | 5 | 12-1/2 | 15-1/8 | 5 | 15-1/8 | — |
| DY-6151 | 6 | 6 | 15 | 18-1/4 | 6 | 18-1/4 | — |
Double Y / DY Specifications
2-1/8" through 4" O.D. — 16 Gauge
5" through 6" O.D. — 14 Gauge
Materials: Carbon Steel, Galvanized Steel, Aluminum 6061 and 304 Stainless Steel.
End Configurations: Expanded ends are standard through applicable sizes. Straight ends and mixed straight/expanded configurations are available.
Expansion Depth: 1-3/8" through 4" O.D.; 1-5/8" for 5" and 6" O.D.
E: Inside Diameter (I.D.) = A
G: Inside Diameter (I.D.) = F
11 gauge configurations are available with straight ends only.
All dimensions are in inches.
Double wye fittings are used throughout central vacuum, pneumatic conveying, dust collection and material handling systems to combine two branch lines into a common main tubing run. DTY, DYL and DY configurations provide different branch geometries for airflow, material movement and system layout requirements.
Double wye fittings connect two vacuum pickup or branch lines into a common main line in central vacuum systems. Properly sized fittings help support balanced airflow across multiple collection points.
Double wye fittings are used in pneumatic conveying systems to combine two material or airflow streams into a shared tubing run. Gradual branch configurations can help support smoother material movement and reduce turbulence.
Double wye fittings connect two dust pickup points or branch lines to shared collection piping. They are useful where multiple machines or work areas feed into a common dust collection system.
Double wye fittings are used in dry material handling systems to merge two conveying lines into a common route. Fitting type, branch angle, material and size should match the conveyed product and system requirements.
Durable carbon steel double wye fittings are used in industrial vacuum, dust collection, pneumatic conveying and material handling systems where strong double-branch connections are required.
Galvanized steel double wye fittings provide added corrosion protection while combining two branch lines into a common main tubing run in industrial vacuum and conveying systems.
Lightweight aluminum double wye fittings help reduce installation weight while providing smooth branch transitions in industrial vacuum and pneumatic conveying systems.
Corrosion-resistant 304 stainless steel double wye fittings are suited for demanding environments, food processing and specialized material handling applications.
Double wye fittings are available in multiple tubing diameters, gauges, materials and branch configurations. Common styles include Double 90° TY, Double 45° YL and Double Y / DY fittings, with straight, expanded and mixed end configurations available for different system requirements.
Selecting the right double wye fitting depends on the main tubing diameter, branch diameters, branch geometry, conveyed material and the connection method used throughout the system. DTY, DYL and DY configurations provide different flow paths for industrial vacuum, dust collection and pneumatic conveying applications.
Match the main tubing and branch diameters to the system sizes being connected. Proper sizing helps maintain fit, alignment and consistent airflow or material movement through the double-branch connection.
Choose between Double 90° TY, Double 45° YL and Double Y / DY configurations based on the system layout and the type of directional transition required for the two branch lines.
Double wye geometry can affect airflow, pressure loss and conveyed material movement. Gradual branch configurations are often preferred where smoother flow and reduced material impact are important.
Select straight, expanded or mixed end configurations that match the tubing and joining method used throughout the system. Connection style should be compatible with the surrounding fittings and installation requirements.
Industrial vacuum tubing provides the main piping runs used to connect Double TY, Double YL and Double Y fittings with the rest of the vacuum or pneumatic conveying system.
Industrial vacuum elbows and bends change piping direction before or after double wye branch connections while helping route airflow and conveyed material through the system.
Single and double branch fittings are used to divide or combine airflow and material flow between multiple tubing runs in industrial vacuum, dust collection and pneumatic conveying systems.
Industrial vacuum reducers transition between different tubing diameters and can be used with double wye fittings where main lines and branch connections require different sizes.
Compression couplings provide secure connections between double wye fittings, vacuum tubing and other system components while allowing sections to be installed or serviced without permanent welding.
A double wye fitting combines two branch lines into a common main tubing run in industrial vacuum, dust collection and pneumatic conveying systems. Common configurations include Double 90° TY, Double 45° YL and Double Y / DY fittings.
DTY fittings use a Double 90° TY configuration, DYL fittings use gradual Double 45° YL branches, and DY fittings use a symmetrical double-Y layout. The correct style depends on system layout, airflow and conveyed material requirements.
Double wye fittings are commonly available in carbon steel, galvanized steel, aluminum 6061 and 304 stainless steel. Material availability varies by fitting style, tubing diameter and gauge.
Choose a double wye fitting based on the main tubing diameter, branch diameters, branch geometry, conveyed material and required end configuration. Proper sizing helps maintain alignment and efficient system flow.
Yes. Double wye fittings are commonly used in pneumatic conveying systems to merge two material or airflow streams into a shared main tubing run. Gradual branch configurations can help support smoother material movement.
Double wye fittings can be supplied with straight, expanded or mixed end configurations and connected using compatible compression couplings, slip couplings, shrink sleeves or other joining methods used in the tubing system.
Provide the main tubing diameter, branch diameters, fitting style, material, gauge and end configuration, and we can help identify the correct DTY, DYL or DY fitting for your system.