arc-elbows-couplings-product-image

Columbia-MBF rigid conduit aluminum fittings are manufactured of 6063 alloy in temper designation T-1.

  • Corrosion resistant Aluminum
  • Light weight and easy installation
  • Low maintenance
  • Coupling and elbow specifications

Specification Data

Alloy: Columbia-MBF Rigid Aluminum Conduit is manufactured of 6063 alloy in temper designation T-1. The fittings are of the same alloy.

Standards: Columbia-MBF Rigid Aluminum Conduit is certified to Canadian Standards Association Safety Standard CSA C22.2 No.45.2 and is manufactured to ANSI C80.5.

Thread Protectors: Color-Coded end caps keep threads clean and sharp and help provide trade size recognition. Even sizes are blue; 1/2 trade sizes are black; and 1/4 trade sizes are red.

CSA

Manufactured in accordance with ANSI C80.5

Aluminum Rigid Conduit (ARC) Couplings

Trade SizeMetric DesignatorNominal O.D. (A)2Length (B)1Threads Per Inch1Approximate Weight per 100 PiecesStandard Package
inmminmmlbkg
1/2161.07827.381 5/841.31462.7100
3/4211.32833.731 41/6441.71494.150
1271.56239.671 31/3250.011 1/2135.925
1 1/4351.95349.612 1/3251.611 1/2198.625
1 1/2412.21956.362 1/1652.411 1/22310.425
2532.75069.852 1/854.011 1/23515.915
2 1/2633.28183.343 3/1681.086830.88
3783.81296.843 5/1684.189141.36
3 1/2914.438112.713 13/3286.5810849.06
41035.000127.003 33/6489.3814264.45
51296.219157.963 61/64100.48242109.81
61557.312185.744 1/4108.08320145.21
1Mimimum requirement as per CSA Standard
2For information only, not a requirement as per CSA Standard
Sizes 2 1/2 (63) and larger shipped in palletized cartons or bulk.
Aluminum elbows also available in the following Degrees (60°, 30°, 22-1/2°, 15° & 11-1/4°)

Aluminum Rigid Conduit (ARC) Nipples

Trade SizeMetric DesignatorLength (A)Total Thread Length (B)1Threads Per Inch1Approximate Weight per 100 PiecesStandard Package
inmminmmlbkg
1/216(Close) 1 1/8290.7819.81420.925
1/2161 1/2380.7819.81431.425
1/2162510.7819.81441.825
1/2162 1/2640.7819.81452.325
1/2163760.7819.81462.725
1/2163 1/2890.7819.81483.625
1/21641020.7819.81494.125
1/21651270.7819.814115.025
1/21661520.7819.814135.925
1/21682030.7819.814188.225
1/216102540.7819.8142210.025
1/216123050.7819.8142712.225
3/421(Close) 1 3/8350.7920.11431.425
3/4211 1/2380.7920.11431.425
3/4212510.7920.11452.325
3/4212 1/2640.7920.11462.725
3/4213760.7920.11473.225
3/4213 1/2890.7920.11494.125
3/42141020.7920.114104.525
3/42151270.7920.114135.925
3/42161520.7920.114188.225
3/42182030.7920.114219.525
3/421102540.7920.1142611.825
3/421123050.7920.1143214.525
127(Close) 1 1/2380.9824.911.541.825
1272510.9824.911.562.725
1272.5640.9824.911.583.625
1273760.9824.911.5104.525
1273.5890.9824.911.5125.425
12741020.9824.911.5156.825
12751270.9824.911.5198.625
12761520.9824.911.52310.425
12782030.9824.911.53214.525
127102540.9824.911.54018.125
127123050.9824.911.54922.225
1.2535(Close) 1 5/8411.0125.711.562.725
1.25352511.0125.711.583.625
1.25352.5641.0125.711.511525
1.25353761.0125.711.5146.425
1.25353.5891.0125.711.5177.725
1.253541021.0125.711.5209.125
1.253551271.0125.711.52611.825
1.253561521.0125.711.53114.125
1.253582031.0125.711.54319.525
1.2535102541.0125.711.55424.510
1.2535123051.0125.711.56529.510
1.541(Close) 1 3/4441.0326.211.594.125
1.5412511.0326.211.511525
1.5412.5641.0326.211.5146.425
1.5413761.0326.211.5188.225
1.5413.5891.0326.211.5219.525
1.54141021.0326.211.52511.325
1.54161521.0326.211.53917.725
1.541102541.0326.211.56730.410
253(Close) 2511.0626.911.5146.425
2533761.0626.911.52410.925
25341021.0626.911.5331525
25361521.0626.911.55123.120
253102541.0626.911.58940.410
2.563(Close) 2 3/4701.5739.98219.510
2.5633761.5739.982410.910
2.5633.5891.5739.983214.510
2.56341021.5739.983917.710
2.56351271.5739.985424.58
2.56361521.5739.986931.38
2.56382031.5739.989944.98
2.563102541.5739.9812958.55
2.563123051.5739.9815972.15
378(Close) 2 5/8671.6341.482712.210
3783761.6341.483415.410
3783.5891.6341.4844205
37841021.6341.485424.55
37851271.6341.487333.15
37861521.6341.489342.25
37882031.6341.4813159.45
378102541.6341.4817077.15
378123051.6341.4820994.85
3.591(Close) 2 3/4701.6842.7833155
3.59141021.6842.786127.74
3.59151271.6842.788438.14
3.59161521.6842.7810748.54
3.59182031.6842.7815369.43
3.591102541.6842.7819990.33
3.591123051.6842.78245111.13
4103(Close) 2 7/8731.7343.983917.75
410341021.7343.986931.34
410351271.7343.9897444
410382031.7343.9817880.73
4103123051.7343.98287130.23
512951271.8446.7812556.71
512982031.8446.78235106.61
5129123051.8446.78382173.31
615551271.9549.5817579.41
615582031.9549.58322146.11
6155123051.9549.58517234.51
1Mimimum requirement as per CSA Standard
A tolerance of minus one thread applies to Total Length of Thread