Import/export HS code 8421: Centrifuges and filtering machines
Machines that spin to separate liquids or gases, or clean them by filtering. Includes dryers and purifiers
Why this is important if you are looking for potential customers in the UK:
- It helps you understand the market size for your product in the UK.
- It provides you with a list of potential leads who have bought similar products.
* UK only, last 24 months analysed
Imports by country
What this shows: Import market volume by exporter country into the UK.
Top 5 values
| Country | £ |
|---|---|
| Germany | 1,146,705,301 |
| United States | 557,256,593 |
| China | 446,702,476 |
| Romania | 329,565,491 |
| Belgium | 313,870,843 |
Countries rank shift: first 12 months vs second 12 months
What this shows: Countries are on both sides of the Sankey. Left side is sorted by first 12-month volume, right side by second 12-month volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Germany | 562,581,259 | 584,124,042 | +21,542,783 |
| United States | 269,880,396 | 287,376,197 | +17,495,801 |
| China | 237,570,672 | 209,131,804 | -28,438,868 |
| Romania | 207,665,599 | 121,899,892 | -85,765,707 |
| Belgium | 152,134,955 | 161,735,888 | +9,600,933 |
| France | 152,862,899 | 157,032,969 | +4,170,070 |
| Netherlands | 142,504,631 | 142,109,341 | -395,290 |
| Italy | 87,316,238 | 91,597,859 | +4,281,621 |
| Czechia | 73,961,663 | 61,669,815 | -12,291,848 |
| Poland | 67,714,203 | 65,754,984 | -1,959,219 |
Imports by country of origin
What this shows: Import volume by production origin country. Differences from exporter-country data can indicate re-export routes.
Top 5 values
| Origin | £ |
|---|---|
| Germany | 919,166,924 |
| United States | 717,817,012 |
| China | 525,723,324 |
| Romania | 344,954,965 |
| France | 219,086,917 |
Country of origin rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Germany | 454,056,576 | 465,110,348 | +11,053,772 |
| United States | 347,454,048 | 370,362,964 | +22,908,916 |
| China | 273,283,880 | 252,439,444 | -20,844,436 |
| Romania | 214,081,619 | 130,873,346 | -83,208,273 |
| France | 122,881,286 | 96,205,631 | -26,675,655 |
| Czechia | 106,166,421 | 95,979,726 | -10,186,695 |
| Italy | 93,306,975 | 98,597,993 | +5,291,018 |
| Poland | 90,558,957 | 99,824,435 | +9,265,478 |
| United Kingdom | 75,845,444 | 76,029,695 | +184,251 |
| Portugal | 66,061,048 | 67,382,799 | +1,321,751 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| Berkshire, Buckinghamshire and Oxfordshire | 468 |
| Inner London - West | 358 |
| Leicestershire, Rutland and Northamptonshire | 319 |
| Greater Manchester | 304 |
| Surrey, East and West Sussex | 301 |
UK regions rank shift: first 12 months vs second 12 months
What this shows: UK regions are on both sides of the Sankey. Left side is sorted by first 12-month importer count, right side by second 12-month importer count, so rank changes are visible from line crossings.
Top 10 values
| UK region | First 12m | Second 12m | Delta |
|---|---|---|---|
| Berkshire, Buckinghamshire and Oxfordshire | 365 | 361 | -4 |
| Inner London - West | 252 | 267 | +15 |
| Leicestershire, Rutland and Northamptonshire | 251 | 226 | -25 |
| Greater Manchester | 225 | 236 | +11 |
| Surrey, East and West Sussex | 219 | 242 | +23 |
| West Midlands | 214 | 220 | +6 |
| Hampshire and Isle of Wight | 196 | 197 | +1 |
| West Yorkshire | 183 | 188 | +5 |
| Herefordshire, Worcestershire and Warwickshire | 189 | 183 | -6 |
| Derbyshire and Nottinghamshire | 187 | 187 | +0 |
Import volume by transport
What this shows: Import value by transport mode used to bring goods into the UK.
Top 5 values
| Transport | £ |
|---|---|
| Roll on Roll off (RORO) | 2,473,070,854 |
| Sea transport (not vehicle on ferry) | 1,119,264,167 |
| Air transport | 1,006,437,503 |
| Other | 124,777,090 |
| Road transport | 45,085,674 |
Transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Roll on Roll off (RORO) | 1,282,738,146 | 1,190,332,708 | -92,405,438 |
| Sea transport (not vehicle on ferry) | 536,424,768 | 582,839,399 | +46,414,631 |
| Air transport | 486,785,778 | 519,651,725 | +32,865,947 |
| Other | 88,840,588 | 35,936,502 | -52,904,086 |
| Road transport | 19,090,385 | 25,995,289 | +6,904,904 |
| Rail transport | 7,758,020 | 1,948,788 | -5,809,232 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover | 1,054,301,763 |
| Eurotunnel | 516,856,256 |
| Felixstowe | 316,186,539 |
| London Heathrow Airport | 312,761,722 |
| Southampton | 298,790,977 |
Port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Dover | 526,575,218 | 527,726,545 | +1,151,327 |
| Eurotunnel | 294,471,744 | 222,384,512 | -72,087,232 |
| Felixstowe | 178,555,519 | 137,631,020 | -40,924,499 |
| London Heathrow Airport | 142,037,386 | 170,724,336 | +28,686,950 |
| Southampton | 151,228,951 | 147,562,026 | -3,666,925 |
| Dover / Eurotunnel | 134,310,078 | 107,639,235 | -26,670,843 |
| East Midlands Airport | 111,785,505 | 120,943,136 | +9,157,631 |
| Immingham Docks | 97,404,077 | 130,177,133 | +32,773,056 |
| Birmingham Airport | 86,876,726 | 98,045,936 | +11,169,210 |
| London | 88,049,129 | 87,813,909 | -235,220 |
Importer companies by SIC division
What this shows: Industry breakdown (SIC divisions) of importing companies.
Top 5 values
| SIC | Companies |
|---|---|
| Wholesale trade, except of motor vehicles and motorcycles | 1493 |
| Manufacture of machinery and equipment n.e.c. | 605 |
| Retail trade, except of motor vehicles and motorcycles | 506 |
| Repair and installation of machinery and equipment | 416 |
| Other manufacturing | 409 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-04 | 1747 |
| 2026-03 | 1811 |
| 2026-02 | 1799 |
| 2026-01 | 1610 |
| 2025-12 | 1620 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| ALFA LAVAL LIMITED | 124 |
| VWS (UK) LTD | 124 |
| J.C. BAMFORD EXCAVATORS LIMITED | 124 |
| CUMMINS LTD. | 124 |
| SAYWELL INTERNATIONAL LIMITED | 124 |
| PORVAIR FILTRATION GROUP LIMITED | 124 |
| TENNECO-WALKER(U.K.)LIMITED | 124 |
| OK INTERNATIONAL LIMITED | 124 |
| FILEDER FILTER SYSTEMS LIMITED | 124 |
| ROLF C. HAGEN (U.K.) LIMITED | 124 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 1m-15m | 2875 |
| 54m+ | 2033 |
| 0-1m | 824 |
| 15m-54m | 720 |
| Other | 486 |
Import seasonality
What this shows: Average monthly import pattern from historical data.
Exports by country
What this shows: Export market volume by destination country from the UK.
Top 5 values
| Country | £ |
|---|---|
| United States | 584,918,750 |
| Belgium | 554,093,191 |
| Germany | 463,254,950 |
| France | 239,923,560 |
| China | 199,648,164 |
Export countries rank shift: first 12 months vs second 12 months
What this shows: Destination countries are on both sides of the Sankey. Left side is sorted by first 12-month export volume, right side by second 12-month export volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| United States | 310,696,213 | 274,222,537 | -36,473,676 |
| Belgium | 263,048,480 | 291,044,711 | +27,996,231 |
| Germany | 225,876,722 | 237,378,228 | +11,501,506 |
| France | 109,013,241 | 130,910,319 | +21,897,078 |
| China | 107,337,028 | 92,311,136 | -15,025,892 |
| Netherlands | 89,539,351 | 85,047,670 | -4,491,681 |
| Ireland | 78,748,837 | 69,795,281 | -8,953,556 |
| Czechia | 58,567,939 | 68,690,592 | +10,122,653 |
| India | 52,457,561 | 59,275,146 | +6,817,585 |
| Italy | 51,685,563 | 54,980,305 | +3,294,742 |
Exports by country of origin
What this shows: Export volume by production origin country. For re-exports, indicates where goods originated before UK export.
Top 5 values
| Origin | £ |
|---|---|
| XI | 2,824,696 |
| Germany | 864,986 |
| Italy | 713,917 |
| China | 621,899 |
| South Korea | 576,234 |
Export origin countries rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| XI | 1,556,308 | 1,268,388 | -287,920 |
| Germany | 453,171 | 411,815 | -41,356 |
| Italy | 373,891 | 340,026 | -33,865 |
| China | 288,855 | 333,044 | +44,189 |
| South Korea | 544,376 | 31,858 | -512,518 |
| Netherlands | 425,650 | 104,572 | -321,078 |
| France | 391,241 | 102,789 | -288,452 |
| Czechia | 232,671 | 82,168 | -150,503 |
| Poland | 166,045 | 147,711 | -18,334 |
| Turkey | 127,807 | 133,381 | +5,574 |
Export volume by transport
What this shows: Export value by transport mode used to ship goods from the UK.
Top 5 values
| Transport | £ |
|---|---|
| Roll on Roll off (RORO) | 2,051,651,286 |
| Air transport | 1,274,632,900 |
| Sea transport (not vehicle on ferry) | 806,551,382 |
| Other | 14,937,157 |
| Road transport | 297,381 |
Export transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Roll on Roll off (RORO) | 961,501,500 | 1,090,149,786 | +128,648,286 |
| Air transport | 656,020,544 | 618,612,356 | -37,408,188 |
| Sea transport (not vehicle on ferry) | 444,552,739 | 361,998,643 | -82,554,096 |
| Other | 8,333,147 | 6,604,010 | -1,729,137 |
| Road transport | 204,208 | 93,173 | -111,035 |
| Rail transport | 2,658 | 0 | -2,658 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Dover / Eurotunnel | 1,415,690,442 |
| London Heathrow Airport | 838,651,450 |
| Southampton | 265,792,082 |
| Immingham Docks | 254,475,192 |
| London Gateway Port | 231,505,048 |
Export port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Dover / Eurotunnel | 633,161,858 | 782,528,584 | +149,366,726 |
| London Heathrow Airport | 430,991,114 | 407,660,336 | -23,330,778 |
| Southampton | 126,434,967 | 139,357,115 | +12,922,148 |
| Immingham Docks | 122,466,564 | 132,008,628 | +9,542,064 |
| London Gateway Port | 134,481,976 | 97,023,072 | -37,458,904 |
| East Midlands Airport | 90,599,999 | 75,890,125 | -14,709,874 |
| Liverpool Docks | 76,679,219 | 45,168,164 | -31,511,055 |
| Dover | 59,704,884 | 37,044,277 | -22,660,607 |
| ZLC | 49,274,486 | 46,417,609 | -2,856,877 |
| Felixstowe | 49,972,280 | 40,465,600 | -9,506,680 |
Related HS codes
What this shows: Sibling or child HS codes in the same classification branch.
- 842111 – Cream separators
- 842112 – Clothes dryers
- 842119 – Various centrifuges
- 842121 – Water filters
- 842122 – Beverage filters
- 842123 – Oil or petrol filters
- 842129 – Various filters
- 842131 – Air filters for engines
- 842132 – Catalytic converters and filters
- 842139 – Various air filters
- 842191 – Parts for centrifuges
- 842199 – Various parts
Quick facts
HS code: 8421
Coverage: United Kingdom, most metrics for the last 24 months
Description: Machines that spin to separate liquids or gases, or clean them by filtering. Includes dryers and purifiers