Electrical Steel Conduit BS4568
Electrical Steel Conduit
BS4568
Following is the size for your reference
Material: galvanzied steel coils
Finish:pre galvanised or hot dipped galvanzied
Size:20mm/25mm/32mm/40mm/50mm/65mm/75mm/100mm
Surface:threaded both ends,one end is coupling and other end is plastic cap
Applicable Tolerances:
Length: 10Ft (3.05m) ± ¼” (±6.35mm).
Outside Diameter: ½”-2” ±0.005” (±0.13mm); 2½” ±0.010” (±0.25mm); 3” ±0.015” (±0.38mm); 3½”-4” ±0.020” (±0.51mm)
| BS4568:1970 Class 4 and Class 3 Conduit Specification Sheet | |||||||
| SIZE | Outside Diameter | Wall Thickness | Length | Length of Thread | |||
| (mm) | A | B | (mm) | ||||
| Min | Max | (mm) | (mm) | (m) | Min | Max | |
| 16mm | 15.7 | 16 | 1.4±0.15 | 1.2 | 3.75 | 11.5 | 13.5 |
| 20mm | 19.7 | 20 | 1.6±0.15 | 1.2 | 3.75 | 13 | 15 |
| 25mm | 24.6 | 25 | 1.6±0.15 | 1.2 | 3.75 | 16 | 18 |
| 32mm | 31.6 | 32 | 1.6±0.15 | 1.2 | 3.75 | 18 | 20 |
| 40mm | 39.5 | 40 | 1.6±0.15 | 3.75 | 19 | 22 | |
| 50mm | 49.5 | 50 | 1.6±0.15 | 3.75 | 19 | 22 | |
| 60mm | 59.5 | 60.3 | 2.0±0.15 | 3.75 | |||
| 75.5mm | 75 | 75.5 | 2.0±0.15 | 3.75 | |||
| 88.5mm | 88 | 88.5 | 2.0±0.15 | 3.75 | |||
| 114mm | 113.5 | 114 | 2.0±0.15 | 3.75 | |||
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