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.
|Size||OD (mm)||Length (mm)||Ref. No.|
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.