As a result of the repeated expansion and contraction of flood control, the stress is concentrated on the welds at both ends, so cracks are created, but this expansion shaft manufactured with the welding technology supported by our shipbuilding technology has proven to have excellent durability. It has a good track record as a thick plate separator because it exhibits high power retention at high pressures.
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Detail
The circular shaft is inserted and integrated into a thin hollow tube with a fixed rotating shaft welded at both ends. The outer cylinder expands by applying flood pressure through the gap between the outer cylinder and the inner shaft. Secure the separation disk attached to the outer circumference.
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