Steel IMC (intermediate metal conduit) coupling is made from the same material of straight IMC conduit, and it connects the same size of the conduit together. Both the outside and inside surfaces are galvanized for corrosion resistance.
Available size
Size
OD (mm)
Length (mm)
Ref. No.
1/2″
25.7
41.3
C1501
3/4″
31.8
41.7
C1502
1″
38.7
50.0
C1503
1-1/4″
47.5
51.6
C1504
1-1/2″
54.7
52.4
C1505
2″
67.3
54.0
C1506
2-1/2″
82.6
81.0
C1507
3″
98.3
84.1
C1508
4″
123.8
89.3
C1509
Note:
1. OD tolerance: OD 1/2″ ~ 1″, – 0.40mm (0.016″); OD 1-1/4″ ~ 6″, -1%.
2. All couplings shall have straight-tapped threads.