HTS heading 8481 · Chapter 84
HTS 8481: Taps, cocks, valves and similar appliances, for pipes,…
HTS heading 8481 covers taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves; parts thereof. It has 14 tariff lines with a duty rate; the general (MFN) rates are 3% (5 lines), 2% (4 lines), 5% (2 lines) and others.
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| 8481.10.00 | Pressure-reducing valves | 2% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8481.10.00.20 | Hydraulic fluid power type[No., kg] | Estimate → | |||
| Pneumatic fluid power type: | |||||
| 8481.10.00.40 | Filter-regulators and filter-regulator-lubricators[No., kg] | Estimate → | |||
| 8481.10.00.60 | Other[No., kg] | Estimate → | |||
| 8481.10.00.90 | Other[No., kg] | Estimate → | |||
| 8481.20.00 | Valves for oleohydraulic or pneumatic transmissions | 2% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| Hydraulic valves: | |||||
| Directional control | |||||
| 8481.20.00.10 | Manual type[No., kg] | Estimate → | |||
| 8481.20.00.20 | Solenoid type[No., kg] | Estimate → | |||
| 8481.20.00.30 | Other[No., kg] | Estimate → | |||
| 8481.20.00.40 | Flow control type[No., kg] | Estimate → | |||
| 8481.20.00.50 | Other[No., kg] | Estimate → | |||
| Other: | |||||
| Directional control: | |||||
| 8481.20.00.60 | Solenoid type[No., kg] | Estimate → | |||
| 8481.20.00.70 | Other[No., kg] | Estimate → | |||
| 8481.20.00.80 | Other[No., kg] | Estimate → | |||
| 8481.30 | Check (nonreturn) valves: | ||||
| 8481.30.10 | Of copper | 3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8481.30.10.10 | Having a pressure rating under 850 kPa[No., kg] | Estimate → | |||
| 8481.30.10.90 | Having a pressure rating of 850 kPa or over[No., kg] | Estimate → | |||
| 8481.30.20 | Of iron or steel | 5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8481.30.20.10 | Of iron[No., kg] | Estimate → | |||
| 8481.30.20.90 | Of steel[No., kg] | Estimate → | |||
| 8481.30.90.00 | Other[No., kg] | 3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | Estimate → |
| 8481.40.00.00 | Safety or relief valves[No., kg] | 2% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | Estimate → |
| 8481.80 | Other appliances: | ||||
| Hand operated: | |||||
| 8481.80.10 | Of copper | 4% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 47% | |
| Having a pressure rating under 850 kPa: | |||||
| 8481.80.10.20 | Bath and shower faucets[No., kg] | Estimate → | |||
| 8481.80.10.30 | Sink and lavatory faucets[No., kg] | Estimate → | |||
| 8481.80.10.40 | Supply stops[No., kg] | Estimate → | |||
| 8481.80.10.50 | Other[No., kg] | Estimate → | |||
| Having a pressure rating of 850 kPa or over: | |||||
| 8481.80.10.60 | Gate type[No., kg] | Estimate → | |||
| 8481.80.10.70 | Globe type[No., kg] | Estimate → | |||
| 8481.80.10.75 | Plug type[No., kg] | Estimate → | |||
| 8481.80.10.85 | Ball type[No., kg] | Estimate → | |||
| 8481.80.10.90 | Butterfly type[No., kg] | Estimate → | |||
| 8481.80.10.95 | Other[No., kg] | Estimate → | |||
| 8481.80.30 | Of iron or steel | 5.6% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)2.8% (JP) | 45% | |
| Of iron: | |||||
| 8481.80.30.10 | Gate type[No., kg] | Estimate → | |||
| 8481.80.30.15 | Globe type[No., kg] | Estimate → | |||
| 8481.80.30.20 | Plug type[No., kg] | Estimate → | |||
| 8481.80.30.25 | Ball type[No., kg] | Estimate → | |||
| 8481.80.30.30 | Butterfly type[No., kg] | Estimate → | |||
| 8481.80.30.40 | Other[No., kg] | Estimate → | |||
| Of steel: | |||||
| 8481.80.30.55 | Gate type[No., kg] | Estimate → | |||
| 8481.80.30.60 | Globe type[No., kg] | Estimate → | |||
| 8481.80.30.65 | Plug type[No., kg] | Estimate → | |||
| 8481.80.30.70 | Ball type[No., kg] | Estimate → | |||
| 8481.80.30.75 | Butterfly type[No., kg] | Estimate → | |||
| 8481.80.30.90 | Other[No., kg] | Estimate → | |||
| 8481.80.50 | Of other materials | 3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8481.80.50.40 | Pressure spray can valves[No., kg] | Estimate → | |||
| 8481.80.50.60 | Bath, shower, sink and lavatory faucets[No., kg] | Estimate → | |||
| 8481.80.50.90 | Other[No., kg] | Estimate → | |||
| 8481.80.90 | Other | 2% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8481.80.90.05 | Solenoid valves[No.] | Estimate → | |||
| 8481.80.90.10 | Ballcock mechanisms[No.] | Estimate → | |||
| 8481.80.90.15 | Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level[No.] | Estimate → | |||
| Other: | |||||
| With electrical or electro-hydraulic actuators: | |||||
| 8481.80.90.20 | Control valves designed for proportional operation by a signal from a control device[No.] | Estimate → | |||
| 8481.80.90.25 | Other[No.] | Estimate → | |||
| 8481.80.90.30 | With hydraulic actuators[No.] | Estimate → | |||
| With pneumatic actuators: | |||||
| 8481.80.90.35 | Control valves designed for proportional operation by a signal from a control device[No.] | Estimate → | |||
| 8481.80.90.40 | Other[No.] | Estimate → | |||
| 8481.80.90.45 | With thermostatic actuators[No.] | Estimate → | |||
| 8481.80.90.50 | Other[No.] | Estimate → | |||
| 8481.90 | Parts: | ||||
| Of hand operated and check appliances: | |||||
| 8481.90.10.00 | Of copper[kg] | 3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 47% | Estimate → |
| 8481.90.30.00 | Of iron or steel[kg] | 5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | Estimate → |
| 8481.90.50.00 | Of other materials[kg] | 3% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | Estimate → |
| 8481.90.90 | Other | Free | 35% | ||
| Of valves of subheading 8481.20: | |||||
| 8481.90.90.20 | Valve bodies[kg] | Estimate → | |||
| 8481.90.90.40 | Other[kg] | Estimate → | |||
| Other: | |||||
| 8481.90.90.60 | Valve bodies[kg] | Estimate → | |||
| Other: | |||||
| 8481.90.90.81 | Steel forgings[kg] | Estimate → | |||
| 8481.90.90.85 | Other[kg] | Estimate → |
70 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 8481.10.00 at the general rate of 2%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (2%) | $200.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $247.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- B
- Automotive Products Trade Act
- BH
- U.S.–Bahrain FTA
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- JP
- U.S.–Japan Trade Agreement
- KR
- U.S.–Korea FTA (KORUS)
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.
Duty by country of origin
Frequently asked questions
What is the duty rate for HTS 8481?
Heading 8481 has 14 rate lines. The general (MFN) duty rates are 3% (5 lines), 2% (4 lines), 5% (2 lines), 4% (1 line). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.
Do Section 301, 232 or 201 tariffs apply to HTS 8481?
It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.
What fees are added to an import under HTS 8481?
Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.