Metal Bellows Expansion Joint – Model MNLC 

Metal bellows Model MNLC

Metal bellows expansion joint provides perfect balance between value and performance

The MNLC metal bellows expansion joint provides the perfect balance between value and performance. With two standard lengths and three pressure ratings available, Model MNLC can be delivered quickly. Non-standard designs are also easily available.

Maximum Working Pressure: 50/150/300 psi

Working Temperature: 800°F

Test Pressure: 75/225/450 psi

End Fittings:

  Flanges: ANSI B16.5

  Weld Ends: A 53 / A 106

Bellows: T316 S/S

Flanged end, long, 50 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC50FL0200 2 Long 1.75 0.3125 8.5 13 50 800 75 6 315 Revit/CAD
MNLC50FL0250 2.5 Long 1.75 0.3125 8.875 16 50 800 75 9 299 Revit/CAD
MNLC50FL0300 3 Long 2 0.375 9 18 50 800 75 12 231 Revit/CAD
MNLC50FL0400 4 Long 2.5 0.5 10.75 28 50 800 75 19 399 Revit/CAD
MNLC50FL0500 5 Long 2.5 0.375 11.25 34 50 800 75 29 465 Revit/CAD
MNLC50FL0600 6 Long 2.5 0.375 11.5 48 50 800 75 40 549 Revit/CAD
MNLC50FL0800 8 Long 3 0.6875 13.25 71 50 800 75 66 609 Revit/CAD
MNLC50FL1000 10 Long 3.375 0.75 14.375 52 50 800 75 104 750 Revit/CAD
MNLC50FL1200 12 Long 3.25 0.75 13.5 85 50 800 75 146 435 Revit/CAD
MNLC50FL1400 14 Long 3.5 0.75 15 112 50 800 75 183 1100 Revit/CAD
MNLC50FL1600 16 Long 3.5 0.75 16.75 127 50 800 75 237 860 Revit/CAD
MNLC50FL1800 18 Long 3.5 0.75 17 123 50 800 75 298 820 Revit/CAD
MNLC50FL2000 20 Long 3.5 0.75 18.875 146 50 800 75 362 980 Revit/CAD
MNLC50FL2200 22 Long 3.5 0.75 19.5 157 50 800 75 434 1020 Revit/CAD
MNLC50FL2400 24 Long 3.5 0.75 19.75 240 50 800 75 512 1230 Revit/CAD

Weld end, long, 50 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC50WL0200 2 Long 1.75 0.3125 11.75 4 50 800 75 6 315 Revit/CAD
MNLC50WL0250 2.5 Long 1.75 0.3125 11.75 4 50 800 75 9 299 Revit/CAD
MNLC50WL0300 3 Long 2 0.375 12 6 50 800 75 12 231 Revit/CAD
MNLC50WL0400 4 Long 2.5 0.5 13.75 9 50 800 75 19 399 Revit/CAD
MNLC50WL0500 5 Long 2.5 0.375 14.25 15 50 800 75 29 465 Revit/CAD
MNLC50WL0600 6 Long 2.5 0.375 14.5 20 50 800 75 40 549 Revit/CAD
MNLC50WL0800 8 Long 3 0.6875 16.125 26 50 800 75 66 609 Revit/CAD
MNLC50WL1000 10 Long 3.375 0.75 17.25 32 50 800 75 104 750 Revit/CAD
MNLC50WL1200 12 Long 3.25 0.75 16.25 42 50 800 75 146 435 Revit/CAD
MNLC50WL1400 14 Long 3.5 0.75 18.75 70 50 800 75 183 1100 Revit/CAD
MNLC50WL1600 16 Long 3.5 0.75 20.5 77 50 800 75 237 860 Revit/CAD
MNLC50WL1800 18 Long 3.5 0.75 20.5 68 50 800 75 298 820 Revit/CAD
MNLC50WL2000 20 Long 3.5 0.75 20.5 88 50 800 75 362 980 Revit/CAD
MNLC50WL2200 22 Long 3.5 0.75 20.5 95 50 800 75 434 1020 Revit/CAD
MNLC50WL2400 24 Long 3.5 0.75 20.5 108 50 800 75 512 1230 Revit/CAD

Flanged end, short, 50 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC50FS0200 2 Short 1.125 0.1875 6.5 11 50 800 75 6 590 Revit/CAD
MNLC50FS0250 2.5 Short 1 0.1875 7 14 50 800 75 9 498 Revit/CAD
MNLC50FS0300 3 Short 1 0.1875 7.375 17 50 800 75 12 345 Revit/CAD
MNLC50FS0400 4 Short 1.25 0.25 7.5 27 50 800 75 19 800 Revit/CAD
MNLC50FS0500 5 Short 1.25 0.125 7.625 33 50 800 75 29 985 Revit/CAD
MNLC30FS0600 6 Short 1.25 0.125 8 43 50 800 75 40 1170 Revit/CAD
MNLC50FS0800 8 Short 1.5 0.1875 9.25 64 50 800 75 66 1220 Revit/CAD
MNLC50FS1000 10 Short 1.5 0.1875 9.375 45 50 800 75 104 1655 Revit/CAD
MNLC50FS1200 12 Short 1.5 0.1875 9.75 70 50 800 75 146 784 Revit/CAD
MNLC50FS1400 14 Short 1.75 0.125 10.375 98 50 800 75 183 2200 Revit/CAD
MNLC50FS1600 16 Short 1.75 0.125 11.25 112 50 800 75 237 1720 Revit/CAD
MNLC50FS1800 18 Short 1.75 0.125 11.5 112 50 800 75 298 1640 Revit/CAD
MNLC50FS2000 20 Short 1.75 0.125 13.375 130 50 800 75 362 1960 Revit/CAD
MNLC50FS2200 22 Short 1.75 0.125 14 140 50 800 75 434 2040 Revit/CAD
MNLC50FS2400 24 Short 1.75 0.125 14.25 220 50 800 75 512 2460 Revit/CAD

Weld end, short, 50 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC50WS0200 2 Short 1.125 0.1875 9.875 3 50 800 75 6 590 Revit/CAD
MNLC50WS0250 2.5 Short 1 0.1875 9.875 3 50 800 75 9 498 Revit/CAD
MNLC50WS0300 3 Short 1 0.1875 10.5 5 50 800 75 12 345 Revit/CAD
MNLC50WS0400 4 Short 1.25 0.25 10.625 8 50 800 75 19 800 Revit/CAD
MNLC50WS0500 5 Short 1.25 0.125 10.625 13 50 800 75 29 985 Revit/CAD
MNLC50WS0600 6 Short 1.25 0.125 11 18 50 800 75 40 1170 Revit/CAD
MNLC50WS0800 8 Short 1.5 0.1875 12.125 22 50 800 75 66 1220 Revit/CAD
MNLC50WS1000 10 Short 1.5 0.1875 12.125 25 50 800 75 104 1655 Revit/CAD
MNLC50WS1200 12 Short 1.5 0.1875 12.5 35 50 800 75 146 784 Revit/CAD
MNLC50WS1400 14 Short 1.75 0.125 14.125 56 50 800 75 183 2200 Revit/CAD
MNLC50WS1600 16 Short 1.75 0.125 15 62 50 800 75 237 1720 Revit/CAD
MNLC50WS1800 18 Short 1.75 0.125 15 57 50 800 75 298 1640 Revit/CAD
MNLC50WS2000 20 Short 1.75 0.125 15 72 50 800 75 362 1960 Revit/CAD
MNLC50WS2200 22 Short 1.75 0.125 15 78 50 800 75 434 2040 Revit/CAD
MNLC50WS2400 24 Short 1.75 0.125 15 88 50 800 75 512 2460 Revit/CAD

Flanged end, long, 150 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC15FL0200 2 Long 1.75 0.3125 8.5 13 150 800 225 6 320 Revit/CAD
MNLC15FL0250 2.5 Long 1.75 0.3125 8.875 16 150 800 225 9 299 Revit/CAD
MNLC15FL0300 3 Long 2 0.5 9 21 150 800 225 12 240 Revit/CAD
MNLC15FL0400 4 Long 2.5 0.5 10.75 38 150 800 225 19 406 Revit/CAD
MNLC15FL0500 5 Long 2.5 0.375 11.25 49 150 800 225 29 480 Revit/CAD
MNLC15FL0600 6 Long 2.5 0.375 11.5 90 150 800 225 40 555 Revit/CAD
MNLC15FL0800 8 Long 3 0.6875 13.25 125 150 800 225 66 620 Revit/CAD
MNLC15FL1000 10 Long 3.25 0.75 14.375 170 150 800 225 104 760 Revit/CAD
MNLC15FL1200 12 Long 3.125 0.75 13.5 220 150 800 225 146 957 Revit/CAD
MNLC15FL1400 14 Long 3 0.625 15 240 150 800 225 183 1990 Revit/CAD
MNLC15FL1600 16 Long 3 0.5 16.75 250 150 800 225 237 1680 Revit/CAD
MNLC15FL1800 18 Long 3 0.5 17 314 150 800 225 298 2600 Revit/CAD
MNLC15FL2000 20 Long 3 0.5 18.875 402 150 800 225 362 2800 Revit/CAD
MNLC15FL2200 22 Long 3 0.5 19.5 454 150 800 225 434 2850 Revit/CAD
MNLC15FL2400 24 Long 3 0.5 19.75 520 150 800 225 512 3030 Revit/CAD

Weld end, long, 150 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC15WL0200 2 Long 1.75 0.3125 11.75 4 150 800 225 6 320 Revit/CAD
MNLC15WL0250 2.5 Long 1.75 0.3125 11.75 4 150 800 225 9 299 Revit/CAD
MNLC15WL0300 3 Long 2 0.5 12 6 150 800 225 12 240 Revit/CAD
MNLC15WL0400 4 Long 2.5 0.5 13.75 10 150 800 225 19 406 Revit/CAD
MNLC15WL0500 5 Long 2.5 0.375 14.25 16 150 800 225 29 480 Revit/CAD
MNLC15WL0600 6 Long 2.5 0.375 14.5 21 150 800 225 40 555 Revit/CAD
MNLC15WL0800 8 Long 3 0.6875 16.125 27 150 800 225 66 620 Revit/CAD
MNLC15WL1000 10 Long 3.25 0.75 17.25 34 150 800 225 104 760 Revit/CAD
MNLC15WL1200 12 Long 3.125 0.75 16.25 44 150 800 225 146 957 Revit/CAD
MNLC15WL1400 14 Long 3 0.625 18.75 88 150 800 225 183 1990 Revit/CAD
MNLC15WL1600 16 Long 3 0.5 20.5 86 150 800 225 237 1680 Revit/CAD
MNLC15WL1800 18 Long 3 0.5 20.5 89 150 800 225 298 2600 Revit/CAD
MNLC15WL2000 20 Long 3 0.5 20.5 112 150 800 225 362 2800 Revit/CAD
MNLC15WL2200 22 Long 3 0.5 20.5 128 150 800 225 434 2850 Revit/CAD
MNLC15EL2400 24 Long 3 0.5 20.5 150 150 800 225 512 3030 Revit/CAD

Flanged end, short, 150 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC15FS0200 2 Short 1.125 0.3125 6.5 11 150 800 225 6 595 Revit/CAD
MNLC15FS0250 2.5 Short 1 0.3125 7 15 150 800 225 9 498 Revit/CAD
MNLC15FS0300 3 Short 1 0.1875 7.375 20 150 800 225 12 349 Revit/CAD
MNLC15FS0400 4 Short 1.25 0.25 7.5 35 150 800 225 19 803 Revit/CAD
MNLC15FS0500 5 Short 1.25 0.125 7.625 45 150 800 225 29 987 Revit/CAD
MNLC15FS0600 6 Short 1.25 0.125 8 85 150 800 225 40 1181 Revit/CAD
MNLC15FS0800 8 Short 1.5 0.3125 9.25 120 150 800 225 66 1235 Revit/CAD
MNLC15FS1000 10 Short 1.5 0.31258 9.375 160 150 800 225 104 1669 Revit/CAD
MNLC15FS1200 12 Short 1.5 0.3125 9.75 200 150 800 225 146 1815 Revit/CAD
MNLC15FS1400 14 Short 1.5 0.125 10.375 220 150 800 225 183 3960 Revit/CAD
MNLC15FS1600 16 Short 1.5 0.0625 11.25 232 150 800 225 237 3360 Revit/CAD
MNLC15FS1800 18 Short 1.5 0.0625 11.5 296 150 800 225 298 5200 Revit/CAD
MNLC15FS2000 20 Short 1.5 0.0625 13.375 378 150 800 225 362 5600 Revit/CAD
MNLC15FS2200 22 Short 1.5 0.0625 14 426 150 800 225 434 5700 Revit/CAD
MNLC15FS2400 24 Short 1.5 0.0625 14.25 495 150 800 225 512 6100 Revit/CAD

Weld end, short, 150 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC15WS0200 2 Short 1.125 0.3125 9.875 3 150 800 225 6 595 Revit/CAD
MNLC15WS0250 2.5 Short 1 0.3125 9.875 3 150 800 225 9 498 Revit/CAD
MNLC15WS0300 3 Short 1 0.1875 10.5 5 150 800 225 12 349 Revit/CAD
MNLC15WS0400 4 Short 1.25 0.25 10.625 8 150 800 225 19 803 Revit/CAD
MNLC15WS0500 5 Short 1.25 0.125 10.625 14 150 800 225 29 987 Revit/CAD
MNLC15WS0600 6 Short 1.25 0.125 11 19 150 800 225 40 1181 Revit/CAD
MNLC15WS0800 8 Short 1.5 0.3125 12.125 23 150 800 225 66 1235 Revit/CAD
MNLC15WS1000 10 Short 1.5 0.31258 12.125 26 150 800 225 104 1669 Revit/CAD
MNLC15WS1200 12 Short 1.5 0.3125 12.5 37 150 800 225 146 1815 Revit/CAD
MNLC15WS1400 14 Short 1.5 0.125 14.125 68 150 800 225 183 3960 Revit/CAD
MNLC15WS1600 16 Short 1.5 0.0625 15 68 150 800 225 237 3360 Revit/CAD
MNLC15WS1800 18 Short 1.5 0.0625 15 71 150 800 225 298 5200 Revit/CAD
MNLC15WS2000 20 Short 1.5 0.0625 15 88 150 800 225 362 5600 Revit/CAD
MNLC15WS2200 22 Short 1.5 0.0625 15 100 150 800 225 434 5700 Revit/CAD
MNLC15WS2400 24 Short 1.5 0.0625 15 116 150 800 225 512 6100 Revit/CAD

Flanged end, long, 300 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC30FL0200 2 Long 1.25 0.25 8.5 14 300 800 450 6 453 Revit/CAD
MNLC30FL0250 2.5 Long 1.25 0.25 8.875 17 300 800 450 9 425 Revit/CAD
MNLC30FL0300 3 Long 1.375 0.3125 9 22 300 800 450 12 759 Revit/CAD
MNLC30FL0400 4 Long 1.75 0.375 10.75 40 300 800 450 19 888 Revit/CAD
MNLC30FL0500 5 Long 1.75 0.3125 11.25 51 300 800 450 29 961 Revit/CAD
MNLC30FL0600 6 Long 1.75 0.3125 11.5 94 300 800 450 40 1146 Revit/CAD
MNLC30FL0800 8 Long 2 0.375 13.25 131 300 800 450 66 1395 Revit/CAD
MNLC30FL1000 10 Long 2.5 0.5 14.375 179 300 800 450 104 1226 Revit/CAD
MNLC30FL1200 12 Long 2.25 0.375 13.5 231 300 800 450 146 2293 Revit/CAD
MNLC30FL1400 14 Long 2 0.375 15 414 300 800 450 183 2560 Revit/CAD
MNLC30FL1600 16 Long 3 0.375 16.75 470 300 800 450 237 2120 Revit/CAD
MNLC30FL1800 18 Long 3 0.375 17 598 300 800 450 298 3240 Revit/CAD
MNLC30FL2000 20 Long 3 0.375 18.875 750 300 800 450 362 3600 Revit/CAD
MNLC30FL2200 22 Long 3 0.375 19.5 875 300 800 450 434 5900 Revit/CAD
MNLC30FL2400 24 Long 3 0.375 19.75 1070 300 800 450 512 6200 Revit/CAD

Weld end, long, 300 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC30WL0200 2 Long 1.25 0.25 11.75 4 300 800 450 6 453 Revit/CAD
MNLC30WL0250 2.5 Long 1.25 0.25 11.75 4 300 800 450 9 425 Revit/CAD
MNLC30WL0300 3 Long 1.375 0.3125 12 6 300 800 450 12 759 Revit/CAD
MNLC30WL0400 4 Long 1.75 0.375 13.75 9 300 800 450 19 888 Revit/CAD
MNLC30WL0500 5 Long 1.75 0.3125 14.25 17 300 800 450 29 961 Revit/CAD
MNLC30WL0600 6 Long 1.75 0.3125 14.5 22 300 800 450 40 1146 Revit/CAD
MNLC30WL0800 8 Long 2 0.375 16.125 29 300 800 450 66 1395 Revit/CAD
MNLC30WL1000 10 Long 2.5 0.5 17.25 35 300 800 450 104 1226 Revit/CAD
MNLC30WL1200 12 Long 2.25 0.375 16.25 46 300 800 450 146 2293 Revit/CAD
MNLC30WL1400 14 Long 2 0.375 18.75 160 300 800 450 183 2560 Revit/CAD
MNLC30WL1600 16 Long 3 0.375 20.5 122 300 800 450 237 2120 Revit/CAD
MNLC30WL1800 18 Long 3 0.375 20.5 131 300 800 450 298 3240 Revit/CAD
MNLC30WL2000 20 Long 3 0.375 20.5 173 300 800 450 362 3600 Revit/CAD
MNLC30WL2200 22 Long 3 0.375 20.5 202 300 800 450 434 5900 Revit/CAD
MNLC30WL2400 24 Long 3 0.375 20.5 220 300 800 450 512 6200 Revit/CAD

Flanged end, short, 300 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC30FS0200 2 Short 0.75 0.125 6.5 11 300 800 450 6 731 Revit/CAD
MNLC30FS0250 2.5 Short 0.75 0.125 7 16 300 800 450 9 725 Revit/CAD
MNLC30FS0300 3 Short 0.75 0.125 7.375 21 300 800 450 12 1138 Revit/CAD
MNLC30FS0400 4 Short 0.875 0.1875 7.5 37 300 800 450 19 1775 Revit/CAD
MNLC30FS0500 5 Short 0.75 0.0625 7.625 47 300 800 450 29 2059 Revit/CAD
MNLC30FS0600 6 Short 0.75 0.0625 8 89 300 800 450 40 2456 Revit/CAD
MNLC30FS0800 8 Short 1 0.125 9.25 126 300 800 450 66 2791 Revit/CAD
MNLC30FS1000 10 Short 1 0.125 9.375 168 300 800 450 104 2996 Revit/CAD
MNLC30FS1200 12 Short 1 0.125 9.75 210 300 800 450 146 4586 Revit/CAD
MNLC30FS1400 14 Short 1 0.0625 10.375 386 300 800 450 183 5120 Revit/CAD
MNLC30FS1600 16 Short 1.5 0.0625 11.25 440 300 800 450 237 4240 Revit/CAD
MNLC30FS1800 18 Short 1.5 0.0625 11.5 564 300 800 450 298 6500 Revit/CAD
MNLC30FS2000 20 Short 1.5 0.0625 13.375 710 300 800 450 362 7130 Revit/CAD
MNLC30FS2200 22 Short 1.5 0.0625 14 830 300 800 450 434 11800 Revit/CAD
MNLC30FS2400 24 Short 1.5 0.0625 14.25 1030 300 800 450 512 12300 Revit/CAD

Weld end, short, 300 PSI

Part No Nom size Style Compression
Inches
Lateral
Inches
OAL Weight
lbs
Max Working Pressure
PSIG
Max Working Temp
Deg F.
Max Test Pressure
PSIG
Effective Area
Sq In
Spring Rate
lbs/inch
3D Drawing
MNLC30WS0200 2 Short 0.75 0.125 9.875 3 300 800 450 6 731 Revit/CAD
MNLC30WS0250 2.5 Short 0.75 0.125 9.875 3 300 800 450 9 725 Revit/CAD
MNLC30WS0300 3 Short 0.75 0.125 10.5 5 300 800 450 12 1138 Revit/CAD
MNLC30WS0400 4 Short 0.875 0.1875 10.625 9 300 800 450 19 1775 Revit/CAD
MNLC30WS0500 5 Short 0.75 0.0625 10.625 14 300 800 450 29 2059 Revit/CAD
MNLC30WS0600 6 Short 0.75 0.0625 11 19 300 800 450 40 2456 Revit/CAD
MNLC30WS0800 8 Short 1 0.125 12.125 23 300 800 450 66 2791 Revit/CAD
MNLC30WS1000 10 Short 1 0.125 12.125 26 300 800 450 104 2996 Revit/CAD
MNLC30WS1200 12 Short 1 0.125 12.5 35 300 800 450 146 4586 Revit/CAD
MNLC30WS1400 14 Short 1 0.0625 14.125 132 300 800 450 183 5120 Revit/CAD
MNLC30WS1600 16 Short 1.5 0.0625 15 92 300 800 450 237 4240 Revit/CAD
MNLC30WS1800 18 Short 1.5 0.0625 15 99 300 800 450 298 6500 Revit/CAD
MNLC30WS2000 20 Short 1.5 0.0625 15 113 300 800 450 362 7130 Revit/CAD
MNLC30WS2200 22 Short 1.5 0.0625 15 152 300 800 450 434 11800 Revit/CAD
MNLC30WS2400 24 Short 1.5 0.0625 15 220 300 800 450 512 12300 Revit/CAD