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From 2-1/8″ Ø 4″ Ø – 16 Ga
5″Ø- 6″Ø – 14 Ga
All dimensions (inches)
DTY Double DTY Available in:
Carbon Steel, Galvanized Steel, Aluminum 6061, 304 SS
Expanded ends standard, combinations, and Straight Ends are available.
D 1-1/4″ thru 4″ Ø, 1-1/2″ for 5″ Ø & 6″ Ø
E Inside Diameter (I. D.) = A
G Inside Diameter (ID) = F
L 1-1/4″ thru 4″ Ø, 1-1/2″ for 5″ Ø & 6″ Ø
11 Ga available Straight ends only
Our selection includes a variety of double wye fittings suitable for various applications.
| 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 |
2-1/8″ Ø thru 4″ Ø – 16 Ga
5″ Ø-6″ Ø – 14 Ga All dimensions (inches)
DYL Double DYL Available in:
Carbon Steel, Galvanized Steel, Aluminum
6061, 304 SS
D 1-1/4 thru 4 Ø,1-1/2 inch for 5″Ø & 6″Ø
E Inside Diameter (ID.) = A
G Inside Diameter (I. D.) = F
L 1-1/4″ 2-1/8 thru 4″ Ø, 1-1/2 inch 5 ” Ø & 6″ Ø
11 Ga available 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 |
2-1/8″Ø – 4″Ø – 16 Ga
5″Ø – 6″Ø – 14 Ga
All dimensions (inches)
DY Double DY Available in:
Carbon Steel, Galvanized Steel, Aluminum 6061, 304 SS
Expanded ends standard, combinations available. Straight Ends available.
D 1-1/4″ 2-1/8″ thru 4″ Ø, 1-1/2 for 5″-Ø & 6″-Ø
E Inside Diameter (ID) = A
G Inside Diameter (I D) = F
L 1-1/4″ thru 4″ Ø, 1-1/2″ for 5″-Ø & 6″-Ø
11 Ga available 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 DTYS, DYLS, and DYS fittings are designed to divide airflow from a single vacuum header into multiple branch lines while maintaining efficient system performance. These double branch fittings are commonly used in industrial dust collection, pneumatic conveying, central vacuum, and material handling systems where multiple pickup points are required from a single main line.
Double wye fittings help reduce turbulence compared to sharp branch connections by providing smoother airflow transitions through the piping system. This design can help improve conveying efficiency and reduce pressure losses in vacuum piping networks. Available in a variety of tube OD sizes, these fittings are used throughout manufacturing facilities, woodworking operations, powder handling systems, grain processing plants, plastics processing facilities, and industrial cleanup systems.
DTYS, DYLS, and DYS configurations are available to accommodate different system layouts and branch orientations. Depending on the application, fittings may be supplied with straight ends, expanded ends, or expanded-one-end configurations to simplify installation and connection to adjoining vacuum tubing components. Expanded-end fittings allow for quick assembly using heat shrink sleeves, compression couplings, or other connection methods commonly used in industrial vacuum piping systems.
These double branch fittings are manufactured in galvanized steel, aluminum, carbon steel, and stainless steel to meet the requirements of a wide range of industrial environments. Material selection can be based on corrosion resistance, system weight, product conveyed, operating temperature, or facility specifications.
Double wye fittings are frequently installed with elbows, tees, reducers, blast gates, adapters, couplings, and straight tubing sections to create complete vacuum piping systems. Whether used in dust collection, pneumatic conveying, industrial ventilation, or central vacuum applications, DTYS, DYLS, and DYS double branch fittings provide an effective solution for routing airflow to multiple collection points while maintaining system efficiency and durability.