Subheading · Chapter 84 · Heading 8405

8405.10

8405.10: Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers

Subheading 8405.10 belongs to heading 8405 (producer gas or water gas generators, with or without their purifiers) in chapter 84.

What you pay

Importing into UK

Customs duty Free standard rate depends on the country of origin
Additional duties and charges 3 additional measures Import requirements: 2
VAT 20.00 % import VAT
Duty calculatorCalculate duty and taxes →

Rates by national line · UK Global Tariff

UK lines →
  1. 8405 10 00 00 Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers Free

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Additional duties and charges 3

  • Additional dutyAdditional duties 35%
    Applies to goods from
    Belarus, Russia
    Legal act
    2022 No. 376
    Documents
    • 9008
  • Duty suspensionSuspension - goods for certain categories of ships, boats and other vessels and for drilling or production platforms Free
    Applies to goods from
    all countries
    Legal act
    2020 No. 1431
    Documents
    • C990 End use authorisation ships and platforms (Column 8c, Annex A of Delegated Regulation (EU) 2015/2446)
  • Duty suspensionAirworthiness tariff suspension Free
    Applies to goods from
    all countries
    Legal act
    S.I. 2018/1249
    Documents
    • C119 Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate

Import requirements 2

  • Prohibition or restrictionImport prohibition
    Applies to goods from
    North Korea
    Legal act
    S.I. 2019/411
  • Import controlRestriction on entry into free circulation
    Applies to goods from
    Ukraine
    Legal act
    S.I. 2022/395
    Documents
    • 9009
    • 9010
    • 9017

Preferential rates by country

Agreement or schemeCountriesRate
standard rate (no agreement)—Free
DCTS Comprehensive
Afghanistan, Angola, Bangladesh, Benin and 38 more

Afghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia

Free
European Union (including code "EU")
Austria, Belgium, Bulgaria, Croatia and 23 more

Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden

Free
DCTS Enhanced
Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 more

Algeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu

Free
CARIFORUM
Antigua & Barbuda, Bahamas, Barbados, Belize and 10 more

Antigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago

Free
OCTs (Overseas Countries and Territories)
Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 more

Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands

Free
Central America Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama Free
SADC EPA Botswana, Eswatini, Lesotho, Mozambique, Namibia Free
Eastern and Southern Africa States Madagascar, Mauritius, Seychelles, Zimbabwe Free
CPTPP Brunei, Malaysia Free
UK–Andorra agreement Andorra Free
UK–Albania agreement Albania Free
UK–Australia agreement Australia Free
UK–Canada agreement Canada Free
UK–Switzerland agreement Switzerland Free
UK–Côte d’Ivoire agreement Côte d’Ivoire Free
UK–Chile agreement Chile Free
UK–Cameroon agreement Cameroon Free
UK–Colombia agreement Colombia Free
UK–Ceuta & Melilla agreement Ceuta & Melilla Free
UK–Ecuador agreement Ecuador Free
UK–Egypt agreement Egypt Free
UK–Fiji agreement Fiji Free
UK–Faroe Islands agreement Faroe Islands Free
UK–Georgia agreement Georgia Free
UK–Ghana agreement Ghana Free
DCTS Standard Indonesia Free
UK–Israel agreement Israel Free
UK–India agreement India Free
UK–Iceland agreement Iceland Free
UK–Jordan agreement Jordan Free
UK–Japan agreement Japan Free
UK–Kenya agreement Kenya Free
UK–South Korea agreement South Korea Free
UK–Lebanon agreement Lebanon Free
UK–Liechtenstein agreement Liechtenstein Free
UK–Morocco agreement Morocco Free
UK–Moldova agreement Moldova Free
UK–North Macedonia agreement North Macedonia Free
UK–Mexico agreement Mexico Free
UK–Norway agreement Norway Free
UK–New Zealand agreement New Zealand Free
UK–Peru agreement Peru Free
UK–Papua New Guinea agreement Papua New Guinea Free
UK–Palestinian Territories agreement Palestinian Territories Free
UK–Serbia agreement Serbia Free
UK–Solomon Islands agreement Solomon Islands Free
UK–Singapore agreement Singapore Free
UK–San Marino agreement San Marino Free
UK–Tunisia agreement Tunisia Free
UK–Türkiye agreement Türkiye Free
UK–Ukraine agreement Ukraine Free
UK–Vietnam agreement Vietnam Free
UK–Samoa agreement Samoa Free
UK–Kosovo agreement Kosovo Free
UK–South Africa agreement South Africa Free

UK: imports by month

last 12 months£20.2m+16.8% · previous 12 months
Average import price£25.63 per kg
Jan 2024: £4.7mFeb 2024: £563kMar 2024: £475kApr 2024: £346kMay 2024: £799kJun 2024: £2.9mJul 2024: £362kAug 2024: £463kSept 2024: £835kOct 2024: £512kNov 2024: £1.3mDec 2024: £212kJan 2025: £390kFeb 2025: £340kMar 2025: £474kApr 2025: £659kMay 2025: £600kJun 2025: £854kJul 2025: £9.6mAug 2025: £1.5mSept 2025: £607kOct 2025: £454kNov 2025: £1.9mDec 2025: £310kJan 2026: £320kFeb 2026: £363kMar 2026: £1.5mApr 2026: £8.2mMay 2026: £1.5mJun 2026: £2.3mJul 2026: £1.2mAug 2026: £1.6m 202420252026
Data up to August 2026 (provisional) · Monthly data: Eurostat Comext (CC BY 4.0), HMRC (OGL v3.0)

Main suppliers, last 12 months

CountryValueShareChange
Canada £6.9m 34.4% +219,548.6%
Belgium £2.6m 13.1% -44.1%
United States £2.4m 11.9% +17.3%
China £2m 9.7% +23.8%
Norway £1.2m 5.8% -27.8%
Italy £1m 5.1% +4.7%
Latvia £961k 4.8% —
Denmark £745k 3.7% -83.2%

Same subheading in other tariffs

World trade in 2024

8405.10 · US$760m

Trade value (US$) no reported trade < US$168kUS$168k+US$3m+US$21m+> US$60m

Exports: 109
  1. China: US$145m
  2. Italy: US$88m
  3. United States: US$87m
  4. Germany: US$60m
  5. India: US$41m
  6. United Kingdom: US$37m
  7. Belgium: US$28m
  8. Norway: US$27m
  9. Netherlands: US$27m
  10. France: US$23m
  11. Türkiye: US$21m
  12. South Korea: US$18m
  13. Portugal: US$18m
  14. Denmark: US$15m
  15. Japan: US$13m
  16. Myanmar (Burma): US$10m
  17. United Arab Emirates: US$9m
  18. Slovakia: US$9m
  19. Austria: US$7m
  20. Romania: US$7m
  21. Hong Kong SAR China: US$7m
  22. Poland: US$5m
  23. Canada: US$5m
  24. Spain: US$5m
  25. Sweden: US$5m
  26. Ireland: US$5m
  27. Malaysia: US$3m
  28. Singapore: US$3m
  29. Czechia: US$3m
  30. Latvia: US$3m
  31. Thailand: US$2m
  32. Australia: US$2m
  33. Indonesia: US$2m
  34. Russia: US$2m
  35. Taiwan: US$2m
  36. Hungary: US$2m
  37. Tunisia: US$1m
  38. Saudi Arabia: US$1m
  39. Kazakhstan: US$1m
  40. South Africa: US$1m
  41. Mexico: US$905k
  42. Kyrgyzstan: US$827k
  43. Brazil: US$820k
  44. Switzerland: US$681k
  45. Chile: US$591k
  46. Slovenia: US$487k
  47. Finland: US$424k
  48. Greece: US$386k
  49. Papua New Guinea: US$298k
  50. Mozambique: US$291k
  51. Uzbekistan: US$237k
  52. Lithuania: US$211k
  53. Pakistan: US$202k
  54. Bulgaria: US$200k
  55. Kenya: US$168k
  56. Georgia: US$162k
  57. Argentina: US$118k
  58. Senegal: US$107k
  59. Ukraine: US$105k
  60. Luxembourg: US$103k

Top exporters

RankCountryValueShare
1 China US$145m 19%
2 Italy US$88m 11.5%
3 United States US$87m 11.5%
4 Germany US$60m 7.9%
5 India US$41m 5.3%
6 United Kingdom US$37m 4.9%
7 Belgium US$28m 3.7%
8 Norway US$27m 3.6%
9 Netherlands US$27m 3.6%
10 France US$23m 3%

Top importers

RankCountryValueShare
1 South Korea US$63m 8.3%
2 Singapore US$39m 5.1%
3 United States US$33m 4.4%
4 China US$33m 4.3%
5 India US$32m 4.2%
6 Indonesia US$31m 4.1%
7 United Arab Emirates US$25m 3.3%
8 Malaysia US$23m 3%
9 Norway US$22m 2.8%
10 Türkiye US$21m 2.8%

Import duty on this product around the world 164

The most-favoured-nation (MFN) duty each country applies to goods of this HS subheading: the average over its national tariff lines, with the lowest and highest line where they differ. Goods from countries with a trade agreement often pay less.

  • 5%median duty
  • 61number of duty-free countries (MFN)
  • 45%highest: Bahamas, Bermuda, Cayman Islands

164

Importing countryMFN dutylines from – todata year
Afghanistan 2.5% 2018 · HS 2012
Albania 0% 2023
Algeria 5% 2023
Angola 0% 2023 · HS 2017
Anguilla 15% 2021 · HS 2017
Antigua & Barbuda 5% 2021 · HS 2007
Argentina 14% 2023 · HS 2017
Armenia 2.5% 0% – 5% 2023
Aruba 12% 2021 · HS 2012
Australia 5% 2023
Azerbaijan 0% 2023 · HS 2017
Bahamas 45% 2022
Bahrain 5% 2023
Bangladesh 1% 2023 · HS 2017
Barbados 5% 2022 · HS 2017
Belarus 2.5% 0% – 5% 2021 · HS 2017
Belize 5% 2023
Benin 5% 2023
Bermuda 25% 2023
Bhutan 10% 2022
Bolivia 5% 2023 · HS 2017
Bosnia & Herzegovina 5% 2022
Botswana 0% 2023
Brazil 14% 2023 · HS 2017
Brunei 0% 2023 · HS 2017
Burkina Faso 5% 2023
Burundi 0% 2023
Cambodia 15% 2023 · HS 2017
Cameroon 10% 2023
Canada 0% 2023
Cape Verde 5% 2023 · HS 2017
Cayman Islands 22% 2021 · HS 2002
Central African Republic 10% 2023
Chad 10% 2023
Chile 6% 2023 · HS 2017
China 10% 2023
Colombia 0% 2023 · HS 2017
Comoros 20% 2021 · HS 2017
Congo - Brazzaville 10% 2023
Cook Islands 0% 2022 · HS 2017
Costa Rica 0% 2023
Côte d’Ivoire 5% 2023 · HS 2017
Cuba 10% 2023 · HS 2017
Dominica 0% 2023 · HS 2017
Dominican Republic 0% 2023
Ecuador 0% 2023 · HS 2017
Egypt 5% 2019 · HS 2017
El Salvador 0% 2022
Equatorial Guinea 10% 2023
Eswatini 0% 2023
Ethiopia 5% 2021 · HS 2017
European Union (27 countries) 1.7% 2023
Fiji 0% 2023
Gabon 10% 2023
Gambia 5% 2023
Georgia 0% 2022 · HS 2017
Ghana 5% 2023
Gibraltar 12% 2023 · HS 2017
Grenada 5% 2023 · HS 2012
Guatemala 0% 2023
Guinea 5% 2023
Guinea-Bissau 5% 2023
Guyana 0% 2023 · HS 2017
Haiti 5% 2020 · HS 2017
Honduras 0% 2023
Hong Kong SAR China 0% 2023
Iceland 0% 2023
India 7.5% 2023
Indonesia 5% 2023
Iran 15% 2020 · HS 2017
Israel 0% 2022 · HS 2017
Jamaica 0% 2023
Japan 0% 2023
Jordan 0% 2023
Kazakhstan 2.5% 0% – 5% 2023
Kenya 0% 2023
Kiribati 0% 2023 · HS 2002
Kuwait 5% 2023
Kyrgyzstan 2.5% 0% – 5% 2021 · HS 2017
Laos 5% 2023 · HS 2017
Lebanon 5% 2020 · HS 2017
Lesotho 0% 2023
Liberia 5% 2023
Libya 5% 2021 · HS 2017
Liechtenstein 0.7%* 2021 · HS 2017
Macao SAR China 0% 2023
Madagascar 5% 2023
Malawi 13% 0% – 25% 2021 · HS 2017
Malaysia 0% 2023
Maldives 20% 2023
Mali 5% 2023
Mauritania 5% 2023 · HS 2017
Mauritius 0% 2023
Mexico 8.3% 0% – 15% 2023 · HS 2017
Micronesia 4% 2021 · HS 2017
Moldova 0% 2023 · HS 2017
Mongolia 5% 2023
Montserrat 0% 2023 · HS 2017
Morocco 2.5% 2023
Mozambique 5% 2023
Myanmar (Burma) 3% 2023 · HS 2017
Namibia 0% 2023
Nauru 10% 2021 · HS 2017
Nepal 5% 2023
New Zealand 5% 2023
Nicaragua 0% 2023
Niger 5% 2023
Nigeria 5% 2023
North Macedonia 5% 2023
Norway 0% 2023
Oman 5% 2023
Pakistan 0% 2023
Palau 3% 2023 · HS 2012
Palestinian Territories 0% 2017 · HS 2017
Panama 6.5% 3% – 10% 2023
Papua New Guinea 0% 2023
Paraguay 0% 2023 · HS 2017
Peru 0% 2023 · HS 2017
Philippines 1% 2023
Qatar 5% 2023
Russia 2.5% 0% – 5% 2021 · HS 2017
Rwanda 0% 2023
Samoa 8% 2020 · HS 2017
São Tomé & Príncipe 10% 2019 · HS 2017
Saudi Arabia 5% 2023
Senegal 5% 2023
Seychelles 0% 2023
Sierra Leone 5% 2023
Singapore 0% 2023 · HS 2017
Solomon Islands 10% 2023 · HS 2017
Somalia 5% 2023 · HS 2017
South Africa 0% 2023
South Korea 8% 2023
Sri Lanka 0% 2023
St Kitts & Nevis 5% 2023
St Lucia 0% 2023 · HS 2012
St Pierre & Miquelon 5% 2021 · HS 2017
St Vincent & the Grenadines 0% 2023
Sudan 10% 2021 · HS 2017
Suriname 5% 2023 · HS 2007
Switzerland 0.4%* 2023
Syria 1% 2020 · HS 2012
Tajikistan 10% 2021 · HS 2012
Tanzania 0% 2023
Thailand 0% 2023
Togo 5% 2023
Tonga 3% 2023 · HS 2017
Trinidad & Tobago 0% 2023 · HS 2012
Türkiye 1.7% 2023
Tuvalu 0% 2017 · HS 2017
Uganda 0% 2023
Ukraine 2% 2023 · HS 2017
United Arab Emirates 5% 2023
United Kingdom 0% 2023
United States 0% 2023
Uruguay 0% 2023 · HS 2017
Uzbekistan 0% 2021 · HS 2017
Vanuatu 0% 2023
Venezuela 14% 2023 · HS 2017
Vietnam 0% 2023
Wallis & Futuna 10% 2021 · HS 2012
Yemen 5% 2017 · HS 2017
Zambia 10% 2023
Zimbabwe 0% 2023

Tariff data years 2017–2023; rates may have changed since. * ad valorem equivalent of specific duties (UNCTAD estimate) · UNCTAD TRAINS, accessed via WITS (World Bank)

Classifications and correspondences

Where this HS subheading sits in the United Nations' statistical classifications, and which codes it had in earlier editions of the Harmonized System.

SITC Rev. 4
74171 Producer gas/water gas generators, with/without their purifiers; acetylene gas generators & similar water process gas generators, with/without their purifiers
End use (BEC Rev. 5)
Capital goods · BEC 212010
CPC 2.1 product
43911 Producer gas or water gas generators; acetylene gas generators and similar water process gas generators; distilling or rectifying plant; heat exchange units; machinery for liquefying air or gas
ISIC Rev. 4 activity
2819 Manufacture of other general-purpose machinery

Earlier HS editions

HSCode
20178405.10changed
20128405.10changed
20078405.10changed
20028405.10changed
19968405.10changed
19928405.10changed

Correspondence tables of the United Nations Statistics Division (UNSD)

The UK Global Tariff has one tariff line for subheading 8405.10; the duty is duty-free.

Subheading 8405.10 is a single line in the EU Combined Nomenclature, where the duty is 1.7%.

174 countries pay no duty in the UK thanks to trade agreements and preference schemes such as DCTS Comprehensive and European Union, against a standard rate of Free.

In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.

Imports of these goods into the UK came to £20.2m between September 2025 and August 2026 (up 17% on the year before); Canada supplied 34%, followed by Belgium.

In 2024, countries exported these goods worth US$760m (−10.7% year on year).

The largest exporter was China (US$145m), followed by Italy.

Products classified here

Questions and answers

What is the HS code for producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers?

Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers fall under HS subheading 8405.10, part of heading 8405, in section XVI of the Harmonized System.

What is the import duty on producer gas or water gas generators, with or… in the UK?

Under the UK Global Tariff, imports under 8405.10 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.

What is the import duty on producer gas or water gas generators, with or… in the EU?

Under the EU Combined Nomenclature, imports under 8405.10 from countries without a preferential agreement are charged at 1.7%. Preferential rates, anti-dumping duties and VAT are not included.

Which country exports the most producer gas or water gas generators, with or…?

China, with US$145m in 2024 (19% of world exports).

Which countries can export these goods to the UK duty-free?

174 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of Free applies. Pick a country above to see its rate.

Is there anti-dumping duty on these goods?

The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.

Where does the UK import these goods from?

In the 12 months to August 2026, the largest suppliers were Canada (34%), Belgium (13%) and United States (12%), out of total imports of £20.2m.

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Typical products

Everyday names, not part of the legal text.