Code 8481 40 · Heading 8481

Safety and relief valves for pipelines, boilers, tanks, vessels and similar containers

This code covers safety and relief valves used with pipelines, boilers, tanks, vessels and similar containers. The valve must be a safety or relief valve, rather than a pressure-regulating valve, check valve or another type of valve.

For example

• Safety valve for a boiler
• Relief valve for a storage tank
• Safety valve for a pipeline

Save Browse the codes below ↓

See the official tariff text

Official tariff text

Safety or relief valves

Full 8-digit codes

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2 codes below this one

• 8481 40 10 Safety or relief valves of cast iron or of steel 2.2%^* → Save
• 8481 40 90 Safety or relief valves (excl. those of cast iron or steel) 2.2%^* → Save

Compare the sibling codes

• 8481 10 Pressure-reducing valves 2.2%^*
• 8481 20 Valves for oleohydraulic or pneumatic transmission 2.2%^*
• 8481 30 Check "non-return" valves for pipes, boiler shells, tanks, vats or the like 2.2%^*
• 8481 40 Safety or relief valves you are here 2.2%^*
• 8481 80 Appliances for pipes, boiler shells, tanks, vats or the like (excl. pressure-reducing valves, valves for the control of pneumatic power transmission, check "non-return" valves and safety or relief valves) 2.2%^*
• 8481 90 Parts of valves and similar articles for pipes, boiler shells, tanks, vats or the like, n.e.s. 2.2%^*

Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

• 84.81.4010

  Of cast iron

  Ordinary duty

  Duty free^*

  Goods of EU origin

  Duty free^* You need documentation of EU origin to use this rate.

• 84.81.4091

  Of stainless steel or other alloy steel

  Ordinary duty

  Duty free^*

  Goods of EU origin

  Duty free^* You need documentation of EU origin to use this rate.

• 84.81.4092

  Of other iron or steel

  Ordinary duty

  Duty free^*

  Goods of EU origin

  Duty free^* You need documentation of EU origin to use this rate.

• 84.81.4093

  Of copper

  Ordinary duty

  Duty free^*

  Goods of EU origin

  Duty free^* You need documentation of EU origin to use this rate.

• 84.81.4099

  Of other materials

  Ordinary duty

  Duty free^*

  Goods of EU origin

  Duty free^* You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 3, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

• All 4 UK lines under this code

  They all have the same duty rates shown here.

  Ordinary duty

  2.0%^*

  Goods of EU origin

  Duty free^* You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1576, last checked Aug. 3, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 6 codes at this level →

← Previous code 8481 30

Check "non-return" valves for pipes, boiler shells, tanks, vats or th…

you are here 8481 40

Safety or relief valves

Next code → 8481 80

Appliances for pipes, boiler shells, tanks, vats or the like (excl. p…

* Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.