Taps, cocks and similar appliances of iron or steel

BIS QCO APPLICABLE · ISI MARK SCHEME · IS 3224

HSN 8481 80 10 (taps, cocks and similar appliances of iron or steel) is covered by a Bureau of Indian Standards Quality Control Order. Conformity to the applicable Indian Standard — including IS 13095 for butterfly valves and IS 3224 through IS 12300 for gas-cylinder and LPG valves — is mandatory under the ISI Mark Scheme, with the Butterfly Valves (Quality Control) Order, 2020 effective from 1 January 2021. No separate customs-clearance overlay applies to this tariff line.

What this is

HSN code

8481 80 10

Chapter

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

BIS QCO

Applicable · ISI Mark Scheme · CM/L required

Indian Standard

IS 3224 · effective 01-01-2021

Applicable Partner Government Agencies

BISBIS·Bureau of Indian Standards

Compliance steps

1
Identify the specific valve type in the consignment and confirm the governing Indian Standard: IS 13095 for butterfly valves; IS 3224 for industrial gas cylinder and CNG on-board cylinder valves; IS 3745 for medical gas cylinder valves; IS 7302 for breathing apparatus valves; IS 8776 or IS 8737 for LPG cylinder valves; IS 15100 for auto-LPG container valves; IS 12300 for small refrigerant cylinder valves; IS 9798 for LPG regulators fitted to LPG cylinders.
Gas Cylinder Rules, 2016 · G.S.R. 1081(E) dated 22-11-2016 · Butterfly Valves (Quality Control) Order, 2020 · S.O. 1920(E) dated 17-06-2020
2
Verify the foreign manufacturer holds a current BIS CM/L licence covering the specific standard, valve type, size range, pressure class, and licensed manufacturing facility on the BIS online register before placing the purchase order.
ISI Mark Scheme under Scheme-I of Schedule-II to the BIS (Conformity Assessment) Regulations, 2018
3
Ensure every valve bears the ISI mark and the supplier's CM/L number. The marking must appear on the product itself — on the body or flange of the valve — not on packaging alone, and must correspond to the specific IS under which the licence is held.
BIS (Conformity Assessment) Regulations, 2018 · Scheme-I marking requirements
4
Quote the supplier's BIS CM/L number, the relevant IS number, and the licensed product scope on the bill of entry. Customs verifies the CM/L in real time against the BIS register; an absent, expired, or scope-mismatched licence triggers consignment detention.
Butterfly Valves (Quality Control) Order, 2020 · S.O. 1920(E) dated 17-06-2020 · BIS Act, 2016 · Customs Act, 1962
5
For valves fitted to cryogenic containers or valves conforming to a non-listed standard, confirm the Chief Controller of Explosives has approved the standard before import. BIS QCO compliance under the applicable IS remains required regardless of such approval.
Gas Cylinder Rules, 2016 · G.S.R. 1081(E) dated 22-11-2016 · Section 18 of the Explosives Act, 1884

A word of counsel

The critical error on this tariff line is treating the Butterfly Valves (Quality Control) Order, 2020 as the only BIS obligation and overlooking that gas-cylinder and LPG valves under this same HSN are independently governed by multiple standards — IS 3224, IS 3745, IS 7302, IS 8776, IS 8737, IS 15100, IS 12300, and IS 9798 — each requiring a separate, standard-specific CM/L licence. A CM/L held against IS 13095 for butterfly valves does not cover LPG or industrial gas cylinder valves, and customs will detain any consignment where the declared standard does not match the CM/L scope on the BIS register.

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Frequently asked

Does HSN 8481 80 10 require BIS certification?

Yes. Taps, cocks and similar appliances of iron or steel under this tariff line require BIS ISI Mark Scheme certification; the applicable Indian Standard depends on valve type — IS 13095 for butterfly valves (mandatory from 1 January 2021 under S.O. 1920(E)) and IS 3224 through IS 9798 for gas-cylinder, LPG, and related valves under G.S.R. 1081(E).

Does a single CM/L licence cover all valve types falling under HSN 8481 80 10?

No. Each Indian Standard listed under this HSN — IS 13095, IS 3224, IS 3745, IS 7302, IS 8776, IS 8737, IS 15100, IS 12300, IS 9798 — requires a separate, standard-specific CM/L licence; a manufacturer licensed against one standard is not automatically authorised to supply product governed by a different standard.

Which IS standard applies to butterfly valves specifically?

IS 13095 governs butterfly valves for general purposes and is mandatory with effect from 1 January 2021 under the Butterfly Valves (Quality Control) Order, 2020 referenced by S.O. 1920(E) dated 17-06-2020.

Is a CM/L licence facility-specific, or does one licence cover all manufacturing plants of the same supplier?

A CM/L licence is facility-specific; valves manufactured at a plant not covered by the licensed facility address are not authorised, and customs will detain consignments where the shipping documents reference an unlicensed manufacturing location.

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