Electric power transmission & distribution services
1) Corrugated (Spiral) shape of the outer surface.
2) Flat & smooth inner wall.
3) Length / coil: up to 500 ~ 600 meter.
4) Detailed dimension is indicated in clause 9 of this specification.
150/189mm (O.D/I.D) ± 2.0
100/123mm (O.D/I.D) ± 2.0
90/112mm (O.D/I.D) ± 2.0
80/101mm (O.D/I.D) ± 2.0
70/94mm (O.D/I.D) ± 2.0
60/77mm (O.D/I.D) ± 2.0
33/46mm (O.D/I.D) ± 2.0
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