JT/T 1579-2026Cutter head of cutter suction dredger (English PDF)

JT/T 1579-2026 is the English-translated version of 绞吸挖泥船绞刀.

JT/T 1579-2026 applies to the cutter head of a cutter suction dredger, the rotating cutting tool at the end of the ladder that breaks up the seabed or riverbed material so that it can be drawn into the suction pipe. The document covers the design, manufacture and inspection of the cutter head, and repair work may follow it by reference.

It is used by dredging equipment manufacturers, shipyards, dredging contractors that buy or maintain cutter heads, and inspection bodies. It is a voluntary standard, as the /T in its code shows. It was approved by the Ministry of Transport, issued on 12 January 2026 and takes effect on 1 May 2026. It is a new standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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