Other

Parts of valves and similar appliances for pipes and boilers

BIS QCO APPLICABLE · ISI MARK SCHEME · IS 13349

HSN 8481 90 90 (parts of taps, cocks, valves and similar appliances) is covered by a Bureau of Indian Standards Quality Control Order. Conformity to IS 13349:1992 is mandatory under the ISI Mark Scheme with effect from 1 September 2024, by virtue of the Cast Iron Products (Quality Control) Order, 2023. Small enterprises receive a deferred effective date of 1 December 2024; micro enterprises of 1 March 2025.

What this is

HSN code

8481 90 90

Chapter

84 · Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

BIS QCO

Applicable · ISI Mark Scheme · CM/L required

Indian Standard

IS 13349:1992 · effective 01-09-2024

Applicable Partner Government Agencies

BISBIS·Bureau of Indian Standards

Compliance steps

1
Source only from a Bureau of Indian Standards CM/L-licensed manufacturer holding a current licence against IS 13349:1992 for cast iron single-faced thimble-mounted sluice gates. Verify the supplier's CM/L number, licensed product scope, and licensed manufacturing facility on the BIS online register before placing the purchase order.
Cast Iron Products (Quality Control) Order, 2023 · S.O. 2287(E) dated 13-06-2024
2
Ensure every article bears the ISI mark and the supplier's CM/L number under licence per Scheme-I of Schedule-II to the BIS (Conformity Assessment) Regulations, 2018. The standard mark must appear on the product itself, not on packaging alone.
Scheme-I of Schedule-II to the BIS (Conformity Assessment) Regulations, 2018 · Cast Iron Products (Quality Control) Order, 2023
3
Confirm which enterprise-size category applies to your supplier: large enterprises are bound from 01-09-2024, small enterprises from 01-12-2024, and micro enterprises from 01-03-2025. Import from a supplier whose effective date has not yet arrived remains permissible only until that date passes.
S.O. 2287(E) dated 13-06-2024 · Cast Iron Products (Quality Control) Order, 2023
4
Quote the supplier's BIS CM/L number on the bill of entry. Customs verifies the CM/L in real time against the BIS register; an absent, expired, or product-scope-mismatched licence triggers consignment detention, demurrage, and potential re-export.
BIS Act, 2016 · Cast Iron Products (Quality Control) Order, 2023 · Customs Act, 1962

A word of counsel

The most common error on this tariff line is assuming the residual 'Other' product description covers all valve and pipe-fitting parts under HSN 8481 90 90 without checking whether the specific article is a cast iron single-faced thimble-mounted sluice gate within the IS 13349:1992 scope. Importers of general valve parts that do not meet that product definition are not within the QCO obligation, yet importers of in-scope sluice gate parts frequently overlook it, arriving at port without a CM/L-verified supplier and facing detention once the staggered enterprise-size effective date has passed.

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Frequently asked

Does HSN 8481 90 90 require BIS certification?

Yes, for cast iron single-faced thimble-mounted sluice gates within the scope of IS 13349:1992. Conformity is mandatory under the ISI Mark Scheme by virtue of the Cast Iron Products (Quality Control) Order, 2023, with effect from 1 September 2024 for large enterprises.

Do small and micro enterprises face the same enforcement date as large enterprises?

No. The effective date for small enterprises is 1 December 2024 and for micro enterprises is 1 March 2025, as specified in S.O. 2287(E) dated 13-06-2024. Supplier enterprise-size classification must be verified and documented before import.

Does the BIS QCO obligation extend to all valve parts classified under HSN 8481 90 90?

No. IS 13349:1992 governs cast iron single-faced thimble-mounted sluice gates specifically. Valve or appliance parts outside that product definition are not within the Cast Iron Products (Quality Control) Order, 2023 scope under this tariff line.

Does a single CM/L licence cover all sluice gate sizes and configurations from one manufacturer?

No. A CM/L licence is scope-specific by product variant, size, and manufacturing facility; articles outside the licensed specification or from an unlicensed plant are not covered and are detainable at port.

Last verified against gazette notifications: 2026-05-18. Source: BIS / Indian Customs CUSDATA.