Product classification
HS code for PRV: 8481.10
Valves, pressure reducing, for pipes, boiler shells, tanks, vats or the like.
Classification of PRV under HS 8481.10
Pressure Reducing Valves (PRV) are classified under HS code 8481.10. This code is part of the broader heading 8481, which covers taps, cocks, valves, and similar appliances for pipes, boiler shells, tanks, vats, or the like. The 8481.10 subheading is specifically reserved for valves that function to reduce pressure. These mechanical devices are designed to maintain a constant downstream pressure despite variations in the inlet pressure. They typically incorporate a loading mechanism, such as a spring or air actuator, and a sensing element like a diaphragm or piston to regulate the flow. The classification is based on the primary function of the valve rather than the material it is made of, whether it be brass, stainless steel, or cast iron. This functional classification takes precedence over general valve categories found in other subheadings of 8481. PRVs are essential in water distribution, steam systems, and gas pipelines to prevent equipment damage and ensure process stability.
- Covers
- Water pressure reducing valves
- Steam pressure regulators
- Gas pressure reducing valves
- Pilot-operated pressure regulators
- Direct-acting pressure reducing valves
- Also under 8481.10
- Watts pressure reducing valves
- Honeywell D06F pressure regulators
- Emerson Fisher pressure reducing valves
- Spirax Sarco PRV
- Danfoss pressure reducing valves
Codes often confused with 8481.10
Common mistake. PRVs are frequently confused with 8481.40, which covers safety or relief valves. While both deal with pressure, a safety valve is designed to open fully at a set point to prevent overpressure, whereas a PRV continuously modulates to maintain a specific lower pressure. Another common error is using 8481.80, which is a residual category for other types of valves like gate, globe, or check valves. If the valve is part of a combined unit with a filter or lubricator (FRL unit), it might still be classified here or under 8481.80 depending on the primary function of the assembly.
Top exporters and importers of HS 848110 (the code used for PRV), 2025
In 2025, the largest exporter of HS 848110 (the code used for PRV) in UN Comtrade data was Germany, with 14% of world exports; the largest importer in UN Comtrade data was the United States, with 11% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 848110, not only PRV.
Top exporters 2025 · share of world exports
- 1 Germany $541M 14% of world exports
- 2 United States $494M 12% of world exports
- 3 China $438M 11% of world exports
World total: $4.0B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $499M 11% of world imports
- 2 China $434M 9.8% of world imports
- 3 Germany $329M 7.4% of world imports
World total: $4.5B Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for PRV
Brazil classifies PRV under NCM 8481.10.00: HS 8481.10 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about PRV
What is the HS code for PRV?
The HS code for PRV is 848110 (Valves; pressure reducing, for pipes, boiler shells, tanks, vats or the like). The HS code for pressure reducing valves is 8481.10.
How do I classify PRV for customs?
PRV is classified under HS code 848110 — Valves; pressure reducing, for pipes, boiler shells, tanks, vats or the like. This is a 6-digit subheading level code.
Does the material of the valve change the HS code?
No, the HS code 8481.10 is based on the function of reducing pressure. Whether the valve is made of brass, bronze, or steel, it remains under this code.
Which countries are the top exporters of PRV (HS 848110)?
In 2025, the top exporters of HS 848110 (the code used for PRV) in UN Comtrade data were Germany ($541M, 14% of world exports), the United States ($494M) and China ($438M). World exports came to about $4.0B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of PRV (HS 848110)?
In 2025, the top importers of HS 848110 (the code used for PRV) in UN Comtrade data were the United States ($499M, 11% of world imports), China ($434M) and Germany ($329M). World imports came to about $4.5B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for PRV the same in all countries?
The base HS code 848110 for PRV is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for PRV in Brazil?
In Brazil, PRV (HS 848110) is classified under NCM 8481.10.00.