Screw conveyor centrifuges

Screw conveyor centrifuges for industrial separation

NO PGA · STANDARD CUSTOMS PROCEDURE

HSN 8421 19 60 (Screw conveyor centrifuges) is not covered by a Bureau of Indian Standards Quality Control Order and carries no Partner Government Agency clearance requirement at the tariff-line level. Import follows the standard customs procedure: Importer-Exporter Code (IEC), bill of entry, commercial invoice, packing list. Other centrifuge and filtering machinery categories within Chapter 84 — particularly those used in specific regulated industries — may attract compliance obligations; classification accuracy against the precise machine type and function is the principal importer risk.

No partner government agency notification covers this tariff line.

A word of counsel

The absence of compliance at this tariff line applies specifically to screw conveyor centrifuges; centrifugal dryers, filtering machinery, or purifying apparatus under the broader Chapter 84 heading may be subject to separate requirements depending on intended application or industry end-use. Re-classification on examination — for instance, where a customs officer determines the machine functions primarily as a filtering or purifying apparatus — triggers retrospective compliance and potential detention. Confirm the machine's technical specification and primary function against the tariff description before shipment.

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Frequently asked

Does HSN 8421 19 60 require any pre-import registration?

A valid Importer-Exporter Code is required for any commercial import; no product-specific registration applies to this tariff line.

What changes if the machinery is classified as filtering or purifying apparatus rather than a centrifuge?

Filtering or purifying machinery under other tariff lines within Chapter 84 may attract distinct compliance obligations depending on end-use sector, and re-classification by customs to such a line triggers retrospective compliance.

Last verified against gazette notifications: 2026-05-16. Source: BIS / DGFT / Indian Customs CUSDATA.