Model MC Dual Metal Bellows Expansion Joint

model-mc-dual-metal-bg

MC Dual Metal Bellows Expansion Joint offers greater compression than the standard MC

The Model MC Dual metal belloows expansion joint utilizes a hydroformed bellows and offers greater compression than the standard MC expansion joint. It also provides the ultimate in control and safety with self equalizing control rings.

Maximum Working Pressure: 300 psi*

Working Temperature: 500°F

Test Pressure: 450 psi

End Fittings:

  Flanges: ANSI B16.5

  Weld Ends: A 53 / A 106

Bellows: Hydroformed T304 S/S

* 300 psi is the bellows rating. Flange rating must also be considered. Full vacuum rating.

model-mc-diagram

Flanged Ends – Dual

Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15F0250D 2-1/2″ 2 0.75 21.13 90.00 300 500 450 21 1300 2600 Revit/CAD
MC03C15F0250D 3 1.125 24.38 109.00 300 500 450 21 867 2600 Revit/CAD
MC04C15F0250D 4 1.5 27.63 125.00 300 500 450 21 650 2600 Revit/CAD
MC05C15F0250D 5 1.875 30.88 134.00 300 500 450 21 520 2600 Revit/CAD
MC06C15F0250D 6 2.25 34.13 149.00 300 500 450 21 433 2600 Revit/CAD
MC07C15F0250D 7 2.625 37.38 165.00 300 500 450 21 371 2600 Revit/CAD
MC08C15F0250D 8 3 40.63 175.00 300 500 450 21 325 2600 Revit/CAD
MC09C15F0250D 9 3.375 43.88 197.00 300 500 450 21 289 2600 Revit/CAD
MC10C15F0250D 10 3.75 47.13 211.00 300 500 450 21 260 2600 Revit/CAD
MC11C15F0250D 11 4.125 50.38 227.00 300 500 450 21 236 2600 Revit/CAD
MC12C15F0250D 12 4.5 53.63 235.00 300 500 450 21 217 2600 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15F0300D 3″ 2 0.75 21.13 90.00 300 500 450 21 1300 2600 Revit/CAD
MC03C15F0300D 3 1.125 24.38 109.00 300 500 450 21 867 2600 Revit/CAD
MC04C15F0300D 4 1.5 27.63 125.00 300 500 450 21 650 2600 Revit/CAD
MC05C15F0300D 5 1.875 30.88 134.00 300 500 450 21 520 2600 Revit/CAD
MC06C15F0300D 6 2.25 34.13 149.00 300 500 450 21 433 2600 Revit/CAD
MC07C15F0300D 7 2.625 37.38 165.00 300 500 450 21 371 2600 Revit/CAD
MC08C15F0300D 8 3 40.63 175.00 300 500 450 21 325 2600 Revit/CAD
MC09C15F0300D 9 3.375 43.88 197.00 300 500 450 21 289 2600 Revit/CAD
MC10C15F0300D 10 3.75 47.13 211.00 300 500 450 21 260 2600 Revit/CAD
MC11C15F0300D 11 4.125 50.38 227.00 300 500 450 21 236 2600 Revit/CAD
MC12C15F0300D 12 4.5 53.63 235.00 300 500 450 21 217 2600 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15F0400D 4″ 2 0.75 21.13 125.00 300 500 450 29 1400 2800 Revit/CAD
MC03C15F0400D 3 1.125 24.38 135.00 300 500 450 29 933 2800 Revit/CAD
MC04C15F0400D 4 1.5 27.63 151.00 300 500 450 29 700 2800 Revit/CAD
MC05C15F0400D 5 1.875 30.88 169.00 300 500 450 29 560 2800 Revit/CAD
MC06C15F0400D 6 2.25 34.13 186.00 300 500 450 29 467 2800 Revit/CAD
MC07C15F0400D 7 2.625 37.38 200.00 300 500 450 29 400 2800 Revit/CAD
MC08C15F0400D 8 3 40.63 219.00 300 500 450 29 350 2800 Revit/CAD
MC09C15F0400D 9 3.375 43.88 238.00 300 500 450 29 311 2800 Revit/CAD
MC10C15F0400D 10 3.75 47.13 257.00 300 500 450 29 280 2800 Revit/CAD
MC11C15F0400D 11 4.125 50.38 284.00 300 500 450 29 255 2800 Revit/CAD
MC12C15F0400D 12 4.5 53.63 311.00 300 500 450 29 233 2800 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15F0500D 5″ 2 0.75 21.13 135.00 300 500 450 40 1550 3100 Revit/CAD
MC03C15F0500D 3 1.125 24.38 155.00 300 500 450 40 1033 3100 Revit/CAD
MC04C15F0500D 4 1.5 27.63 177.00 300 500 450 40 775 3100 Revit/CAD
MC05C15F0500D 5 1.875 30.88 198.00 300 500 450 40 620 3100 Revit/CAD
MC06C15F0500D 6 2.25 34.13 220.00 300 500 450 40 517 3100 Revit/CAD
MC07C15F0500D 7 2.625 37.38 250.00 300 500 450 40 443 3100 Revit/CAD
MC08C15F0500D 8 3 40.63 266.00 300 500 450 40 388 3100 Revit/CAD
MC09C15F0500D 9 3.375 43.88 288.00 300 500 450 40 344 3100 Revit/CAD
MC10C15F0500D 10 3.75 47.13 310.00 300 500 450 40 310 3100 Revit/CAD
MC11C15F0500D 11 4.125 50.38 335.00 300 500 450 40 282 3100 Revit/CAD
MC12C15F0500D 12 4.5 53.63 355.00 300 500 450 40 258 3100 Revit/CAD
MC13C15F0500D 13 4.875 300 500 450 40 238 3100 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15F0600D 6″ 2 1.5 29.25 270.00 300 500 450 62 1750 3500 Revit/CAD
MC03C15F0600D 3 2.25 35.75 320.00 300 500 450 62 1167 3500 Revit/CAD
MC04C15F0600D 4 3 42.25 395.00 300 500 450 62 875 3500 Revit/CAD
MC05C15F0600D 5 3.75 48.75 425.00 300 500 450 62 700 3500 Revit/CAD
MC06C15F0600D 6 4.5 55.25 470.00 300 500 450 62 583 3500 Revit/CAD
MC07C15F0600D 7 5.25 61.75 520.00 300 500 450 62 500 3500 Revit/CAD
MC08C15F0600D 8 6 68.25 570.00 300 500 450 62 438 3500 Revit/CAD
MC09C15F0600D 9 6.75 74.75 625.00 300 500 450 62 389 3500 Revit/CAD
MC10C15F0600D 10 7.5 81.25 675.00 300 500 450 62 350 3500 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15F0800D 8″ 2 1.5 29.25 357.00 300 500 450 92 1850 3700 Revit/CAD
MC03C15F0800D 3 2.25 35.75 410.00 300 500 450 92 1233 3700 Revit/CAD
MC04C15F0800D 4 3 42.25 475.00 300 500 450 92 925 3700 Revit/CAD
MC05C15F0800D 5 3.75 48.75 490.00 300 500 450 92 740 3700 Revit/CAD
MC06C15F0800D 6 4.5 55.25 590.00 300 500 450 92 617 3700 Revit/CAD
MC07C15F0800D 7 5.25 61.75 650.00 300 500 450 92 529 3700 Revit/CAD
MC08C15F0800D 8 6 68.25 705.00 300 500 450 92 463 3700 Revit/CAD
MC09C15F0800D 9 6.75 74.75 775.00 300 500 450 92 411 3700 Revit/CAD
MC10C15F0800D 10 7.5 81.25 845.00 300 500 450 92 370 3700 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15F1000D 10″ 2 1.5 29.25 442.00 300 500 450 135 2000 4000 Revit/CAD
MC03C15F1000D 3 2.25 35.75 515.00 300 500 450 135 1333 4000 Revit/CAD
MC04C15F1000D 4 3 42.25 550.00 300 500 450 135 1000 4000 Revit/CAD
MC05C15F1000D 5 3.75 48.75 640.00 300 500 450 135 800 4000 Revit/CAD
MC06C15F1000D 6 4.5 55.25 715.00 300 500 450 135 667 4000 Revit/CAD
MC07C15F1000D 7 5.25 61.75 785.00 300 500 450 135 571 4000 Revit/CAD
MC08C15F1000D 8 6 68.25 840.00 300 500 450 135 500 4000 Revit/CAD
MC09C15F1000D 9 6.75 74.75 915.00 300 500 450 135 444 4000 Revit/CAD
MC10C15F1000D 10 7.5 81.25 985.00 300 500 450 135 400 4000 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15F1200D 12″ 2 1.5 32.50 590.00 300 500 450 175 2100 4200 Revit/CAD
MC03C15F1200D 3 2.25 39.00 675.00 300 500 450 175 1400 4200 Revit/CAD
MC04C15F1200D 4 3 45.50 755.00 300 500 450 175 1050 4200 Revit/CAD
MC05C15F1200D 5 3.75 52.00 835.00 300 500 450 175 840 4200 Revit/CAD
MC06C15F1200D 6 4.5 58.50 875.00 300 500 450 175 700 4200 Revit/CAD
MC07C15F1200D 7 5.25 65.00 995.00 300 500 450 175 600 4200 Revit/CAD
MC08C15F1200D 8 6 71.50 1075.00 300 500 450 175 525 4200 Revit/CAD
MC09C15F1200D 9 6.75 78.00 1160.00 300 500 450 175 467 4200 Revit/CAD
MC10C15F1200D 10 7.5 84.50 1235.00 300 500 450 175 420 4200 Revit/CAD

Weld Ends – Dual

Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15W0250D 2-1/2″ 2 0.75 27.50 85.00 300 500 450 21 1300 2600 Revit/CAD
MC03C15W0250D 3 1.125 30.75 100.00 300 500 450 21 867 2600 Revit/CAD
MC04C15W0250D 4 1.5 34.00 115.00 300 500 450 21 650 2600 Revit/CAD
MC05C15W0250D 5 1.875 37.25 130.00 300 500 450 21 520 2600 Revit/CAD
MC06C15W0250D 6 2.25 40.50 145.00 300 500 450 21 433 2600 Revit/CAD
MC07C15W0250D 7 2.625 43.75 161.00 300 500 450 21 371 2600 Revit/CAD
MC08C15W0250D 8 3 47.00 177.00 300 500 450 21 325 2600 Revit/CAD
MC09C15W0250D 9 3.375 50.25 195.00 300 500 450 21 289 2600 Revit/CAD
MC10C15W0250D 10 3.75 53.50 207.00 300 500 450 21 260 2600 Revit/CAD
MC11C15W0250D 11 4.125 56.75 224.00 300 500 450 21 236 2600 Revit/CAD
MC12C15W0250D 12 4.5 60.00 241.00 300 500 450 21 217 2600 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15W0300D 3″ 2 0.75 27.50 85.00 300 500 450 21 1300 2600 Revit/CAD
MC03C15W0300D 3 1.125 30.75 100.00 300 500 450 21 867 2600 Revit/CAD
MC04C15W0300D 4 1.5 34.00 115.00 300 500 450 21 650 2600 Revit/CAD
MC05C15W0300D 5 1.875 37.25 130.00 300 500 450 21 520 2600 Revit/CAD
MC06C15W0300D 6 2.25 40.50 145.00 300 500 450 21 433 2600 Revit/CAD
MC07C15W0300D 7 2.625 43.75 161.00 300 500 450 21 371 2600 Revit/CAD
MC08C15W0300D 8 3 47.00 177.00 300 500 450 21 325 2600 Revit/CAD
MC09C15W0300D 9 3.375 50.25 195.00 300 500 450 21 289 2600 Revit/CAD
MC10C15W0300D 10 3.75 53.50 207.00 300 500 450 21 260 2600 Revit/CAD
MC11C15W0300D 11 4.125 56.75 224.00 300 500 450 21 236 2600 Revit/CAD
MC12C15W0300D 12 4.5 60.00 241.00 300 500 450 21 217 2600 Revit/CAD
MC13C15W0300D 13 >4.875 300 500 450 21 200 2600 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15W0400D 4″ 2 0.75 27.50 105.00 300 500 450 29 1400 2800 Revit/CAD
MC03C15W0400D 3 1.125 30.75 123.00 300 500 450 29 933 2800 Revit/CAD
MC04C15W0400D 4 1.5 34.00 141.00 300 500 450 29 700 2800 Revit/CAD
MC05C15W0400D 5 1.875 37.25 139.00 300 500 450 29 560 2800 Revit/CAD
MC06C15W0400D 6 2.25 40.50 177.00 300 500 450 29 467 2800 Revit/CAD
MC07C15W0400D 7 2.625 43.75 195.00 300 500 450 29 400 2800 Revit/CAD
MC08C15W0400D 8 3 47.00 213.00 300 500 450 29 350 2800 Revit/CAD
MC09C15W0400D 9 3.375 50.25 231.00 300 500 450 29 311 2800 Revit/CAD
MC10C15W0400D 10 3.75 53.50 250.00 300 500 450 29 280 2800 Revit/CAD
MC11C15W0400D 11 4.125 56.75 269.00 300 500 450 29 255 2800 Revit/CAD
MC12C15W0400D 12 4.5 60.00 289.00 300 500 450 29 233 2800 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15W0500D 5″ 2 0.75 27.50 125.00 300 500 450 40 1550 3100 Revit/CAD
MC03C15W0500D 3 1.125 30.75 145.00 300 500 450 40 1033 3100 Revit/CAD
MC04C15W0500D 4 1.5 34.00 170.00 300 500 450 40 775 3100 Revit/CAD
MC05C15W0500D 5 1.875 37.25 190.00 300 500 450 40 620 3100 Revit/CAD
MC06C15W0500D 6 2.25 40.50 215.00 300 500 450 40 517 3100 Revit/CAD
MC07C15W0500D 7 2.625 43.75 230.00 300 500 450 40 443 3100 Revit/CAD
MC08C15W0500D 8 3 47.00 257.00 300 500 450 40 388 3100 Revit/CAD
MC09C15W0500D 9 3.375 50.25 281.00 300 500 450 40 344 3100 Revit/CAD
MC10C15W0500D 10 3.75 53.50 305.00 300 500 450 40 310 3100 Revit/CAD
MC11C15W0500D 11 4.125 56.75 325.00 300 500 450 40 282 3100 Revit/CAD
MC12C15W0500D 12 4.5 60.00 345.00 300 500 450 40 258 3100 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15W0600D 6″ 2 1.5 38.75 260.00 300 500 450 62 1750 3500 Revit/CAD
MC03C15W0600D 3 2.25 45.25 310.00 300 500 450 62 1167 3500 Revit/CAD
MC04C15W0600D 4 3 51.75 356.00 300 500 450 62 875 3500 Revit/CAD
MC05C15W0600D 5 3.75 58.25 400.00 300 500 450 62 700 3500 Revit/CAD
MC06C15W0600D 6 4.5 64.75 425.00 300 500 450 62 583 3500 Revit/CAD
MC07C15W0600D 7 5.25 71.25 475.00 300 500 450 62 500 3500 Revit/CAD
MC08C15W0600D 8 6 77.75 540.00 300 500 450 62 438 3500 Revit/CAD
MC09C15W0600D 9 6.75 84.25 600.00 300 500 450 62 389 3500 Revit/CAD
MC10C15W0600D 10 7.5 90.75 670.00 300 500 450 62 350 3500 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15W0800D 8″ 2 1.5 38.75 344.00 300 500 450 92 1850 3700 Revit/CAD
MC03C15W0800D 3 2.25 45.25 400.00 300 500 450 92 1233 3700 Revit/CAD
MC04C15W0800D 4 3 51.75 460.00 300 500 450 92 925 3700 Revit/CAD
MC05C15W0800D 5 3.75 58.25 520.00 300 500 450 92 740 3700 Revit/CAD
MC06C15W0800D 6 4.5 64.75 580.00 300 500 450 92 617 3700 Revit/CAD
MC07C15W0800D 7 5.25 71.25 640.00 300 500 450 92 529 3700 Revit/CAD
MC08C15W0800D 8 6 77.75 700.00 300 500 450 92 463 3700 Revit/CAD
MC09C15W0800D 9 6.75 84.25 760.00 300 500 450 92 411 3700 Revit/CAD
MC10C15W0800D 10 7.5 90.75 820.00 300 500 450 92 370 3700 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15W1000D 10″ 2 1.5 38.75 424.00 300 500 450 135 2000 4000 Revit/CAD
MC03C15W1000D 3 2.25 45.25 490.00 300 500 450 135 1333 4000 Revit/CAD
MC04C15W1000D 4 3 51.75 560.00 300 500 450 135 1000 4000 Revit/CAD
MC05C15W1000D 5 3.75 58.25 620.00 300 500 450 135 800 4000 Revit/CAD
MC06C15W1000D 6 4.5 64.75 690.00 300 500 450 135 667 4000 Revit/CAD
MC07C15W1000D 7 5.25 71.25 760.00 300 500 450 135 571 4000 Revit/CAD
MC08C15W1000D 8 6 77.75 820.00 300 500 450 135 500 4000 Revit/CAD
MC09C15W1000D 9 6.75 84.25 890.00 300 500 450 135 444 4000 Revit/CAD
MC10C15W1000D 10 7.5 90.75 960.00 300 500 450 135 400 4000 Revit/CAD
Part No Nom size No Corr Compression
Inches
Each Side
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
Spring Constant
lbs/inch/cor
3D Drawing
MC02C15W1200D 12″ 2 1.5 40.75 480.00 300 500 450 175 2100 4200 Revit/CAD
MC03C15W1200D 3 2.25 47.25 560.00 300 500 450 175 1400 4200 Revit/CAD
MC04C15W1200D 4 3 53.75 650.00 300 500 450 175 1050 4200 Revit/CAD
MC05C15W1200D 5 3.75 60.25 720.00 300 500 450 175 840 4200 Revit/CAD
MC06C15W1200D 6 4.5 66.75 800.00 300 500 450 175 700 4200 Revit/CAD
MC07C15W1200D 7 5.25 73.75 880.00 300 500 450 175 600 4200 Revit/CAD
MC08C15W1200D 8 6 79.75 950.00 300 500 450 175 525 4200 Revit/CAD
MC09C15W1200D 9 6.75 86.25 1040.00 300 500 450 175 467 4200 Revit/CAD
MC10C15W1200D 10 7.5 92.75 1110.00 300 500 450 175 420 4200 Revit/CAD