China Chinese wholesale Conduit Tube – Electrical Conduit Pipe EMT – Rainbow Manufacture and Factory

Chinese wholesale Conduit Tube – Electrical Conduit Pipe EMT – Rainbow

Short Description:

Electrical Metallic TubingElectrical metallic tubing (EMT), also commonly called thin-wall, is a listed steel raceway of circular cross section, which is unthreaded, and nominally 10′ long. 20′ lengths are also available. EMT is available in trade sizes 1/2 through 4. The outside is galvanized f...

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Chinese wholesale Conduit Tube – Electrical Conduit Pipe EMT – Rainbow Detail:

Electrical Metallic Tubing

Electrical metallic tubing (EMT), also commonly called thin-wall, is a listed steel raceway of circular cross section, which is unthreaded, and nominally 10′ long. 20′ lengths are also available. EMT is available in trade sizes 1/2 through 4. The outside is galvanized for corrosion protection and the inside has an approved corrosion-resistant organic coating. EMT is installed by use of set-screw or compression-type couplings and connectors. It is permitted to have an integral coupling comprised of an expanded, “belled” shape tube on one end with set screws. EMT with integral couplings is available in trade sizes 1-1/4 through 4.

Applicable Tolerance:

Outside Diameter : ±0.005in(0.13 mm)

Wall Thickness: +10%~ -5%

The wall thickness shall not vary more than 0.003in(0.08mm) throughout a 10 foot length

Length:±0.25 in (6.4 mm)

Standard: UL797-2000

Finishes: Zinc Plated, Pre-galvanized

Zinc coated: class 3, 80-120 g/m2; class 4, 275-500 g/m2

Package: 1.Big OD: in bulk;

2.Small OD: in bundles, packed by steel strips;

3.Waterproof package with plastic cloth;

4.Standard export package;

5.According to customers’ requirements.

Size	Outside Diameter		Inside Diameter
inch	inch	mm	inch	mm	(1)mm	(2)mm	feet	mm
1/2”	0.706	17.93	0.622	15.80	1.07	0.85	10	3050
3/4”	0.922	23.42	0.824	20.93	1.25	1.00	10	3050
1”	1.163	29.54	1.049	26.64	1.45	1.10	10	3050
1-1/4”	1.510	38.35	1.380	35.05	1.65	1.30	10	3050
1-1/2”	1.740	44.20	1.610	40.89	1.65	1.30	10	3050
2”	2.197	55.80	2.067	52.50	1.65	1.40	10	3050
2-1/2”	2.875	73.00	2.731	69.37	1.83	-	10	3050
3”	3.500	88.90	3.356	85.24	1.83	-	10	3050
3-1/2”	4.000	101.60	3.834	97.38	2.11	-	10	3050
4”	4.500	114.30	4.334	110.08	2.11	-	10	3050

Applications:

Conduit pipe is generally installed by electricians at the site of installation of electrical equipment. It is used to protect and route electrical wiring in a building or nonbuilding structure.

Product detail pictures:

Related Product Guide:
Some problems in the construction of steel structure and their solutions
Fire protection measures for steel structures

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