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Exhaust Bellows VTAS

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
Turnable flanges or stub ends
Other specifications at request

Bellow:
AISI 321 (1.4541) steel (2 layer)

Flanges:
RSt.37.2. DN40 – DN175: acc. to DIN 2573 (PN6)
DN200 – DN1200: acc. to DIN 86044
Other standards or material at request.

Technical Specifications

Technical drawing of our exhaust bellow VTAS

exhaust-bellow-vtas-technical-specifications.xlsx

Dimensions and weight

Type Ln Flanges acc to DIN 2573 (PN6) Weight
D b k N d2 Do
 (mm)  (mm)  (mm)  (mm)  (ant.)  (mm)  (mm)  (kg)
VTAS-0040 165 130 16 100 4 14 60 3.5
VTAS-0050 170 140 16 110 4 14 71 4
VTAS-0065 170 160 16 130 4 14 88 4.5
VTAS-0080 180 190 18 150 4 18 101 7
VTAS-0100 140 210 18 170 4 18 129 8
VTAS-0125 165 240 20 200 8 18 156 10.5
VTAS-0150 165 265 20 225 8 18 187 12.5
VTAS-0175 165 295 20 255 8 18 212 13.5
Flanges acc to DIN 86044
VTAS-0200 150 320 16 280 8 18 240 12
VTAS-0250 165 375 16 335 12 18 296 15
VTAS-0300 165 440 16 395 12 22 349 17.5
VTAS-0350 165 490 16 445 12 22 379 24.5
VTAS-0400 200 540 16 495 16 22 432 27.5
VTAS-0450 200 595 16 550 16 22 483 32
VTAS-0500 190 645 16 600 20 22 534 34
VTAS-0550 225 703 20 650 20 22 585 48.5
VTAS-0600 215 754 20 700 20 22 640 52.5
VTAS-0700 250 858 20 800 24 22 741 67.5
VTAS-0800 250 958 20 900 24 22 785 79
VTAS-0900 280 1060 20 1010 28 22 949 88
VTAS-1000 280 1162 20 1110 32 22 1051 97.5
VTAS-1100 280 1266 20 1210 32 22 1155 107
VTAS-1200 310 1366 20 1310 36 22 1255 116

Specifications at 350°C

Max. movement (±) Max. reaction force Spring rate
Type Axial (mm) Lateral (mm) Axial (daN) Lateral (daN) Axial (N/mm) Lateral (N/mm)
VTAS-0040 21 20 137 22 65 11
VTAS-0050 23 17 122 20 53 12
VTAS-0065 29 16 165 34 57 21
VTAS-0080 30 15 171 38 57 25
VTAS-0100 36 12 209 90 58 75
VTAS-0125 33 11 162 77 49 70
VTAS-0150 39 11 207 119 53 108
VTAS-0175 43 10 249 164 58 164
VTAS-0200 43 9 482 353 112 392
VTAS-0250 53 10 541 456 102 456
VTAS-0300 53 8 541 518 102 648
VTAS-0350 53 7 689 713 130 1018
VTAS-0400 61 8 641 654 105 818
VTAS-0450 61 7 714 804 117 1148
VTAS-0500 64 7 768 984 120 1405
VTAS-0550 75 9 825 1076 110 1195
VTAS-0600 68 7 721 1077 106 1539
VTAS-0700 82 8 1427 1970 174 2462
VTAS-0800 82 7 1320 2157 161 3081
VTAS-0900 96 8 1469 2267 153 2834
VTAS-1000 96 8 1603 3066 167 3833
VTAS-1100 96 7 1747 3547 182 5067
VTAS-1200 110 8 1892 3682 172 4603