Exhaust Bellows VTAB
Exhaust bellows are designed and used to absorb vibration and the thermal expansion of the engine. The bellows, the flexible part of the expansion joint, is a multi-layer construction with thin layers of heat resistant stainless steel.
Product Characteristics
Temperature: > 600ºC
Design pressure: > 1,0 BarG
Produced acc. to EJMA-standard
Bellow: AISI 321 (1.4541) steel (2 layer).
Weld ends: RSt.37.2 stub ends for welding
Technical Specifications
exhaust-bellow-vtab-technical-specifications.xlsx
Specifications at 350°C
| Type | Max. movement (±) | Spring rate | ||||||||
| Axial (mm) | Lateral (mm) | A | B | C | L1 | L2 | L3 | Axial (N/mm) | Lateral (N/mm) | |
| (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | |||||
| VTAB-0025 | 28 | 15 | 33.7 | 42 | 2.9 | 205 | 45 | 115 | 18 | 57 |
| VTAB-0032 | 28 | 15 | 42.4 | 52 | 2.6 | 205 | 50 | 105 | 50 | 186 |
| VTAB-0040 | 28 | 15 | 48.3 | 60.3 | 2.6 | 205 | 50 | 105 | 36 | 143 |
| VTAB-0050 | 28 | 15 | 60.3 | 80.9 | 2.9 | 245 | 62.5 | 120 | 49 | 214 |
| VTAB-0065 | 28 | 14 | 76.1 | 96.7 | 2.9 | 245 | 62.5 | 120 | 40 | 206 |
| VTAB-0080 | 28 | 13 | 88.9 | 109.5 | 3.2 | 245 | 62.5 | 120 | 46 | 261 |
| VTAB-0090 | 35 | 10 | 101.6 | 122.2 | 3.2 | 245 | 62.5 | 120 | 46 | 337 |
| VTAB-0100 | 35 | 10 | 114.3 | 140.5 | 3.6 | 245 | 62.5 | 120 | 35 | 281 |
| VTAB-0125 | 35 | 9 | 139.7 | 165.7 | 3.6 | 245 | 62.5 | 120 | 42 | 389 |
| VTAB-0150 | 35 | 9 | 168.3 | 200.5 | 4 | 245 | 62.5 | 120 | 35 | 365 |
| VTAB-0175 | 35 | 9 | 197.3 | 225.9 | 4.5 | 245 | 62.5 | 120 | 35 | 365 |
| VTAB-0200 | 35 | 6 | 219.1 | 251.1 | 4.5 | 245 | 62.5 | 120 | 43 | 610 |
| VTAB-0250 | 35 | 5 | 273 | 305.2 | 5 | 295 | 62.5 | 170 | 54 | 924 |
| VTAB-0300 | 40 | 6 | 323.9 | 360.9 | 5.6 | 295 | 75 | 145 | 42 | 698 |
| VTAB-0350 | 40 | 5 | 355.6 | 392.6 | 5.6 | 295 | 75 | 145 | 48 | 870 |
| VTAB-0400 | 40 | 3 | 406.4 | 443.4 | 5.6 | 295 | 75 | 145 | 52 | 1157 |