Valves for oleohydraulic or pneumatic transmissions

Valves for oleohydraulic or pneumatic transmissions (butterfly valves)

BIS QCO APPLICABLE · ISI MARK SCHEME · IS 13095

HSN 8481 20 00 (valves for oleohydraulic or pneumatic transmissions) is covered by a Bureau of Indian Standards Quality Control Order. Conformity to IS 13095 is mandatory under the ISI Mark Scheme with effect from 01 January 2021, by virtue of the Butterfly Valves (Quality Control) Order, 2020. Gas cylinder valve requirements under the Gas Cylinders Rules, 2016 apply as a separate regulatory overlay for valves fitted to gas cylinders.

What this is

HSN code

8481 20 00

Chapter

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

BIS QCO

Applicable · ISI Mark Scheme · CM/L required

Indian Standard

IS 13095 · effective 01-01-2021

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 13095 for butterfly valves for general purposes. Verify the supplier's CM/L number, licensed product scope, pressure class, size range, and manufacturing facility on the BIS online register before placing the purchase order.
Butterfly Valves (Quality Control) Order, 2020 · S.O. 1920(E) dated 17-06-2020
2
Ensure each butterfly valve bears the ISI mark and the supplier's CM/L number on the product itself. Marking on packaging alone does not satisfy the BIS (Conformity Assessment) Regulations, 2018 marking requirement under Scheme-I.
Butterfly Valves (Quality Control) Order, 2020 · BIS (Conformity Assessment) Regulations, 2018
3
Where the valve is fitted to a gas cylinder, verify conformity with the applicable BIS standard for that cylinder type under Rule 4(1) of the Gas Cylinders Rules, 2016. IS 3224 applies for industrial and CNG on-board cylinders; IS 8776 and IS 8737 apply for LPG cylinders; IS 15100 for auto LPG containers; IS 12300 for small refrigerant cylinders.
Rule 4(1) of the Gas Cylinders Rules, 2016 · G.S.R. 1081(E) dated 22-11-2016 · Section 18 of the Explosives Act, 1884
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 scope-mismatched licence triggers consignment detention, demurrage, and potential re-export or confiscation.
Butterfly Valves (Quality Control) Order, 2020 · BIS Act, 2016 · Customs Act, 1962

A word of counsel

The single most common error on this tariff line is assuming that IS 13095 covers all valve types classified under HSN 8481 20 00. The Butterfly Valves (Quality Control) Order, 2020 is scope-specific to butterfly valves for general purposes; gas cylinder valves fall under a parallel mandatory standard regime administered under the Gas Cylinders Rules, 2016, with the applicable IS standard determined by cylinder type. An importer sourcing a mixed consignment of butterfly valves and gas cylinder valves under a single IS 13095 CM/L will face detention on the gas-cylinder-valve portion.

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Frequently asked

Does HSN 8481 20 00 require BIS certification?

Yes. Butterfly valves for general purposes are subject to mandatory conformity under IS 13095 and the ISI Mark Scheme with effect from 01 January 2021; import is permitted only from manufacturers holding a current BIS CM/L licence covering the relevant size range, pressure class, and facility.

Do gas cylinder valves under this HSN require a separate BIS standard from IS 13095?

Yes. Valves fitted to gas cylinders must comply with the BIS standard specific to the cylinder type under Rule 4(1) of the Gas Cylinders Rules, 2016; IS 13095 covers butterfly valves for general purposes and does not substitute for the cylinder-type-specific standard.

Which authority governs gas cylinder valve compliance in addition to BIS?

The Petroleum and Explosives Safety Organisation administers the Gas Cylinders Rules, 2016 made under Section 18 of the Explosives Act, 1884; the Chief Controller of Explosives may approve valves conforming to standards other than those listed where no listed standard applies.

Does a single CM/L licence cover all butterfly valve sizes and pressure classes?

No. A CM/L licence is scope-specific by size range, pressure class, and manufacturing facility; valves outside the licensed scope or produced at an unlicensed plant are not covered and will be detained at customs.

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