New exhaust range expansion joint

AMC-MECANOCAUCHO EXPANDS ITS MARINE EXHAUST RANGE WITH THE INTRODUCTION OF EXPANSION JOINTS

8/17/2026

AMC-MECANOCAUCHO is expanding its range of solutions for marine exhaust systems with the introduction of expansion joints, complementing our existing range of flexible mounts for the elastic suspension of exhaust lines.

This addition responds to an increasingly common requirement among shipyards, system integrators and exhaust system manufacturers: having a single supplier capable of providing both the vibration isolators and expansion joints required for the proper operation of the complete system.

In marine exhaust systems, the control of vibrations and movements caused by temperature variations must be considered together. Flexible mounts provide elastic suspension of the exhaust line, reducing the transmission of vibrations to the vessel structure. Expansion joints, on the other hand, are designed to absorb the movements and thermal expansion generated during operation, reducing the forces transmitted to engines, manifolds, silencers, piping and supports.

AMC MECANOCAUCHO marine exhaust expansion joint

Combined sizing of flexible mounts and expansion joints

AMC-MECANOCAUCHO already has extensive experience in the calculation of marine exhaust suspension systems, determining the appropriate selection and positioning of vibration isolators.

The main advantage of this product range expansion is that AMC-MECANOCAUCHO can now provide the engineering and sizing of the complete solution, combining flexible mounts and expansion joints.

Our engineering team can analyse the configuration of the exhaust line and define a complete solution taking into account:

  • the distribution and selection of the flexible mounts;

  • the movements generated by thermal expansion;

  • the positioning and selection of the expansion joints.

A single supplier for the complete exhaust solution

With this new product range, shipyards can request from AMC-MECANOCAUCHO a complete technical and commercial proposal for the entire package of flexible mounts and expansion joints, simplifying the specification and procurement of the different system components.

View AMC Exhaust Mounts

Available in a wide range of sizes

The expansion joints are available in a wide range of sizes, from DN 100 to DN 600, with flanged connections and different configurations depending on the required thermal expansion capacity.

Sizes up to DN 2400 are also available upon request.

View AMC Expansion Joints

Nominal diameter
DN

Axial absorption
Δx (mm)

Length
BL (mm)

Weight
(kg)

Flange thickness
C1 (mm)

External diameter
ØDa (mm)

Corrugated length
Lb (mm)

Radial absorption
Δy (mm)

Axial adjustment force
CΔx (N/mm)

Radial adjustment force
CΔy (N/mm)

100

39

140

5.8

14

140

80

8

124

473

100

86

235

6.2

14

140

172

38

57

47

100

119

300

6.4

14

140

238

74

42

18

125

58

130

7

14

172

89

11

79

362

125

117

225

7.5

14

172

178

44

40

46

125

149

300

7.9

14

170

252

81

35

20

150

49

150

7.9

14

205

66

5

100

1196

150

122

250

8.6

14

205

164

35

40

77

150

184

340

11

14

205

255

84

41

33

175

51

360

13

16

234

69

5

109

1569

175

129

365

19

16

234

172

34

44

101

175

186

370

23

16

234

250

72

46

51

200

67

160

12

16

263

72

6

75

1244

200

117

210

12

16

263

126

20

43

233

200

186

340

15

16

263

258

66

46

60

250

72

160

14

16

319

77

6

79

1741

250

144

235

15

16

319

154

24

40

218

250

206

355

18

16

319

275

63

49

85

300

51

160

19

16

374

63

3

208

9712

300

138

265

21

16

374

167

21

78

513

300

210

365

23

16

372

271

54

54

133

350

56

160

24

16

408

68

3

202

9735

350

132

250

26

16

408

157

18

87

767

350

210

385

28

16

403

292

53

62

157

400

63

170

27

16

462

71

3

193

10823

400

106

210

28

16

462

118

9

116

2338

400

212

330

31

16

462

236

38

58

293

450

72

170

31

16

517

77

3

175

10508

450

120

220

32

16

517

128

10

105

2270

450

216

325

35

16

517

231

34

59

390

500

78

175

34

16

574

83

3

149

9501

500

130

230

36

16

574

138

11

90

2053

500

234

345

39

16

574

249

35

50

352

550

79

185

48

20

627

84

3

148

11009

550

132

240

49

20

627

140

10

89

2378

550

237

355

53

20

625

252

33

54

442

600

81

190

52

20

680

87

3

147

12239

600

136

245

54

20

680

144

10

89

2644

600

244

360

57

20

675

260

32

61

553

AMC-MECANOCAUCHO EXPANDS ITS MARINE EXHAUST RANGE WITH THE INTRODUCTION OF EXPANSION JOINTS | AMC Mecanocaucho