Suction roll components
Air load tubes for uniform loading of seal strips
A complete line of air load tubes and accessories, as finished assemblies or as components to build your own tubes.
- Minimum order
- 50 m per size
- Typical lead time
- About 4 weeks
- Sizes
- Inch and metric, see tables below
- Assemblies
- Finished tubes with end plugs and fittings, or loose components
| Part # | OD | ID | Wall |
|---|---|---|---|
| ATBV380014 | 3/8" | 1/4" | 1/16" |
| ATBV150011 | 15 mm | 11 mm | 2.0 mm |
| ATBV340916 | 3/4" | 9/16" | 3/32" |
| ATBV781116 | 7/8" | 11/16" | 3/32" |
| ATBV101316 | 1.00" | 13/16" | 3/32" |
| ATBV270022 | 27 mm | 22 mm | 2.5 mm |
| ATBV290026 | 29 mm | 26 mm | 1.5 mm |
| Part # | OD | ID | Wall |
|---|---|---|---|
| ATBN150011 | 15 mm | 11 mm | 2.0 mm |
| ATBN340916 | 3/4" | 9/16" | 3/32" |
| ATBN270022 | 27 mm | 22 mm | 2.5 mm |
| Part # | OD | ID | Wall |
|---|---|---|---|
| STN136418 | 13/64" | 1/8" | .039" |
| STN316018 | 3/16" | 1/8" | .031" |
Classic line
Purple tube – single layer
The highly resilient tube offers high lift at low pressure. It can be supplied together with our sealing strips and strip holders as a complete sealing unit.
- Great lift at low pressure
- Good chemical resistance
Application: all press section suction rolls in the paper machine
Maximum thermal resistance: 70 °C
| Part # | OD | ID | Wall | Material |
|---|---|---|---|---|
| ATPS16 | 16 mm | 13.0 mm | 1.5 mm | PVC |
| ATPS19 | 19 mm | 15.0 mm | 2.0 mm | PVC |
| ATPS22 | 22 mm | 18.0 mm | 2.0 mm | PVC |
| ATPS26 | 26 mm | 22.0 mm | 2.0 mm | PVC |
| ATPS29 | 29 mm | 24.0 mm | 2.5 mm | PVC |
| Pressure | Stroke in mm at 20 °C | Stroke in mm at 50 °C | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 16 | 19 | 22 | 26 | 29 | 16 | 19 | 22 | 26 | 29 | |
| 0.5 bar | 1.53 | 0.94 | 1.94 | 1.23 | 2.90 | 1.60 | 1.46 | 2.31 | 2.48 | 4.81 |
| 1.0 bar | 2.58 | 1.72 | 2.94 | 2.46 | 4.34 | 3.29 | 3.24 | 4.07 | 5.22 | 7.81 |
| 1.5 bar | 3.32 | 2.77 | 3.74 | 3.56 | 6.08 | 5.05 | 4.81 | 5.64 | 7.89 | 11.11 |
| 2.0 bar | 4.18 | 3.54 | 4.66 | 5.10 | 7.28 | 6.88 | 6.64 | 7.64 | 10.59 | 14.57 |
| 2.5 bar | 5.07 | 4.36 | 5.46 | 6.22 | 8.71 | 9.16 | 8.27 | 9.95 | 12.58 | 18.62 |
Column headings = tube diameter (mm). The stroke characteristics were determined in the holder with the net weight of the sealing strip.
Premium line
Purple tube – double layer
2-component tube for high thermal and chemical resistance.
- High chemical resistance
- High temperature resistance
- High safety level
Application: suction roll positions with high thermal or chemical load
| Part # | OD | ID | Wall | Material |
|---|---|---|---|---|
| ATPD19 | 19 mm | 13.6 mm | 2.7 mm | TPE-V |
| ATPD22 | 22 mm | 16.6 mm | 2.7 mm | TPE-V |
| ATPD26 | 26 mm | 20.6 mm | 2.7 mm | TPE-V |
| ATPD29 | 29 mm | 23.2 mm | 2.9 mm | TPE-V |
| Pressure | Stroke in mm at 20 °C | Stroke in mm at 50 °C | ||||||
|---|---|---|---|---|---|---|---|---|
| 19 | 22 | 26 | 29 | 19 | 22 | 26 | 29 | |
| 0.5 bar | 0.40 | 1.20 | 1.40 | 1.60 | 1.00 | 1.40 | 1.60 | 1.80 |
| 1.0 bar | 0.90 | 1.80 | 2.70 | 2.70 | 2.30 | 2.30 | 3.10 | 4.90 |
| 1.5 bar | 1.70 | 2.80 | 4.40 | 5.00 | 3.40 | 4.30 | 6.00 | 8.00 |
Column headings = tube diameter (mm). The stroke characteristics were determined in the holder with the net weight of the sealing strip.
At the same pressure the double-layer tube gives a lower stroke than the single-layer tube – please tell us the available air pressure when ordering.
Need tubes in a size not listed?
Tell us the OD, ID, length and the fittings you use. Tubes can be supplied as finished assemblies.