Exhaust Piping Expansion Joints for engine exhaust systems up to 1,200°F

exhaust-expansion-joint-bg

For engine exhaust systems from the silencer to the roof

Providing expansion compensation and vibration isolation for engine exhaust systems should be thought of as two unique and different segments. One is the piping from the silencer to the roof. The other is the connection between the engine manifold and the silencer or muffler.

Exhaust piping
The exhaust piping is typically long pipe runs from the silencer through to the roof or thru a nearby wall. Here the issue is the large thermal expansion of the long runs due to the high temperatures. Expansion joints designed for axial compression or lateral offset are required.

Manifold bellows
This is the section from the engine’s exhaust manifold to the silencer. This section experiences high engine vibration and the highest temperatures. Bellows in this section are used primarily to isolate the engine vibration. The run between engine and silencer is so short, there is very little thermal growth. However, because each engine manufacturer has it’s own unique flange connection to the manifold, the make and model of the engine is needed to specify the correct manifold bellows end connections.

Metraflex provides the expansion joints/bellows for both applications.Contact Metraflex for assistance in selecting the right Exhaust Expansion Joints and Manifold Bellows for your application.

EX10 EXHAUST PIPE EXPANSION JOINT, 150 LB. FIXED FLANGES

PART NO PIPE SIZE ID (IN) OAL (IN) AXIAL COMP
(IN)
LATERAL OFFSET
(IN)
AXIAL SPRING RATE (LB/IN) LATERAL SPRING RATE (LB/IN) WEIGHT (LB) 3D DRAWING SUBMITTAL
EX100400 4 4.50 10.25 3 1 46 22 17 Revit/CAD Submittal
EX100500 5 5.56 10.25 3 1 66 47 19 Revit/CAD
EX100600 6 6.63 10.25 3 1 82 80 23 Revit/CAD
EX100800 8 8.61 10.25 3 1 103 165 30 Revit/CAD
EX101000 10 10.75 10.25 3 1 103 248 38 Revit/CAD
EX101200 12 12.75 10.25 3 0.875 121 405 54 Revit/CAD
EX101400 14 14.00 10.25 3 0.750 132 530 64 Revit/CAD
EX101600 16 16.00 10.25 3 0.625 150 777 75 Revit/CAD
EX101800 18 18.00 10.25 3 0.500 168 1092 79 Revit/CAD
EX102000 20 20.00 10.25 3 0.500 186 1480 91 Revit/CAD
EX102200 22 22.00 10.25 3 0.500 204 1952 95 Revit/CAD
EX102400 24 24.00 10.25 3 0.500 222 2513 121 Revit/CAD

EX20 EXHAUST PIPE EXPANSION JOINT, 150 LB. FLOATING FLANGES

PART NO PIPE SIZE ID (IN) OAL (IN) AXIAL COMP
(IN)
LATERAL OFFSET
(IN)
AXIAL SPRING RATE (LB/IN) LATERAL SPRING RATE (LB/IN) WEIGHT (LB) 3D DRAWING Submittal
EX200400 4 4.50 12.00 3 1 46 22 18 Revit/CAD Submittal
EX200500 5 5.56 12.00 3 1 66 47 20 Revit/CAD
EX200600 6 6.63 12.00 3 1 82 80 24 Revit/CAD
EX200800 8 8.61 12.00 3 1 103 165 32 Revit/CAD
EX201000 10 10.75 12.00 3 1 103 248 40 Revit/CAD
EX201200 12 12.75 12.00 3 0.875 121 405 56 Revit/CAD
EX201400 14 14.00 12.00 3 0.750 132 530 67 Revit/CAD
EX201600 16 16.00 12.00 3 0.625 150 777 78 Revit/CAD
EX201800 18 18.00 12.00 3 0.500 168 1092 82 Revit/CAD
EX202000 20 20.00 12.00 3 0.500 186 1480 95 Revit/CAD
EX202200 22 22.00 12.00 3 0.500 204 1952 99 Revit/CAD
EX202400 24 24.00 12.00 3 0.500 222 2513 126 Revit/CAD

EX30 EXHAUST PIPE EXPANSION JOINT, 150 LB. FIXED X FLOATING FLANGES

PART NO PIPE SIZE ID (IN) OAL (IN) AXIAL COMP
(IN)
LATERAL OFFSET
(IN)
AXIAL SPRING RATE (LB/IN) LATERAL SPRING RATE (LB/IN) WEIGHT (LB) 3D DRAWING Submittal
EX300400 4 4.50 12.00 3 1 46 22 17 Revit/CAD Submittal
EX300500 5 5.56 12.00 3 1 66 47 20 Revit/CAD
EX300600 6 6.63 12.00 3 1 82 80 23 Revit/CAD
EX300800 8 8.61 12.00 3 1 103 165 31 Revit/CAD
EX301000 10 10.75 12.00 3 1 103 248 39 Revit/CAD
EX301200 12 12.75 12.00 3 0.875 121 405 55 Revit/CAD
EX301400 14 14.00 12.00 3 0.750 132 530 66 Revit/CAD
EX301600 16 16.00 12.00 3 0.625 150 777 77 Revit/CAD
EX301800 18 18.00 12.00 3 0.500 168 1092 80 Revit/CAD
EX302000 20 20.00 12.00 3 0.500 186 1480 93 Revit/CAD
EX302200 22 22.00 12.00 3 0.500 204 1952 97 Revit/CAD
EX302400 24 24.00 12.00 3 0.500 222 2513 124 Revit/CAD

EX40 EXHAUST PIPE EXPANSION JOINT, 150 LB. SCH 40 WELD ENDS

PART NO PIPE SIZE ID (IN) OAL (IN) AXIAL COMP
(IN)
LATERAL OFFSET
(IN)
AXIAL SPRING RATE (LB/IN) LATERAL SPRING RATE (LB/IN) WEIGHT (LB) 3D DRAWING Submittal
EX400400 4 4.50 12.00 3 1 46 22 7 Revit/CAD Submittal
EX400500 5 5.56 12.00 3 1 66 47 8 Revit/CAD
EX400600 6 6.63 12.00 3 1 82 80 11 Revit/CAD
EX400800 8 8.61 12.00 3 1 103 165 14 Revit/CAD
EX401000 10 10.75 12.00 3 1 103 248 19 Revit/CAD
EX401200 12 12.75 12.00 3 0.875 121 405 24 Revit/CAD
EX401400 14 14.00 12.00 3 0.750 132 530 27 Revit/CAD
EX401600 16 16.00 12.00 3 0.625 150 777 34 Revit/CAD
EX401800 18 18.00 12.00 3 0.500 168 1092 41 Revit/CAD
EX402000 20 20.00 12.00 3 0.500 186 1480 47 Revit/CAD
EX402200 22 22.00 12.00 3 0.500 204 1952 53 Revit/CAD
EX402400 24 24.00 12.00 3 0.500 222 2513 62 Revit/CAD

Gaskets & Bolt Kits

Non Asbestos, Graphite or Mica gaskets available for different temperature ranges. Carbon or s/s nuts and bolts. Contact Metraflex for the exact cap style you need.

Accessories

Rain caps available for a variety of applications. Contact Metraflex for the exact cap style you need.