This paperboard insulating cylinder is made of high quality paper board (or called transformer board, pre-compressed paperboard, insulation paper board, insulating paper board).
Description:
This paperboard insulating cylinder is made of high quality paper board (or called transformer board, pre-compressed paperboard, insulation paper board, insulating paper board). It is easy to install and has good insulation performance and high mechanical strength.
Density: 1.0~1.3g/cm3
Heat-resistant grade: A class 105ºC
Dimensions and Tolerances:
No. | Property | Value | |||
1 | Outer Diameter | D | D≤500 | 500<D≤1000 | D≥1000 |
Tolerance | ±1.0 | ±1.5 | ±2.0 | ||
2 | Height | H | H≤3000 | ||
Tolerance | ±2.0 | ||||
3 | Thickness | T | 1.0 ≤T ≤6.0 | ||
Tolerance | ±10% | ||||
4 | Groove width | B | 1≤T≤5 | 5<T≤6 | |
Tolerance | 30T | 150 | |||
Application:
This insulating cylinder was mainly applied to oil-immersed transformer as insulation material.
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Jul 31, 2020
Jul 30, 2020
