Safety or relief valves (HS 848140)
Safety or relief valves (HS 848140) has 96,525 U.S. import bill-of-lading shipment records between Dec 2018 and Aug 2026. The largest U.S. importer of Safety or relief valves is CAVAGNA NORTH AMERICA INC, with 1,224 shipments, followed by RADIANS INC and ABORDER PRODUCTS INC. The leading supplier is AUGUST AMBER HK LIMITED, with 3,666 shipments, followed by CURTISS WRIGHT TIANJIN FLOW CONTR and YU WU LIN. Goods originate mainly from CHINA and ITALY, arriving primarily at LONG BEACH, CA. Import volume has risen over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/848140-safety-or-relief-valves
See all 96,525 shipments of HS 848140 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Safety or relief valves (HS 848140), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is CURTISS WRIGHT TIANJIN FLOW CONTR → MEC TRIC CONTROL NC with 449 shipments, followed by CURTISS WRIGHT TIANJIN FLOW CONTR → L 6 INC (216) and CURTISS WRIGHT TIANJIN FLOW CONTR → PRD TECHNOLOGIES (177).
Top U.S. importers
| Importer | Shipments |
|---|---|
| CAVAGNA NORTH AMERICA INC | 1,224 |
| RADIANS INC | 769 |
| ABORDER PRODUCTS INC | 640 |
| DILL AIR CONTROLS PRODUCTS LLC | 618 |
| ROTORK CONTROLS INC | 612 |
| DRESSER LLC | 539 |
| ZF PASSIVE SAFETY US INC | 530 |
| MEC TRIC CONTROL NC | 449 |
| ALSTOM GRID | 447 |
| FLOWSERVE US INC | 410 |
Top suppliers
| Supplier | Shipments |
|---|---|
| AUGUST AMBER HK LIMITED | 3,666 |
| CURTISS WRIGHT TIANJIN FLOW CONTR | 1,903 |
| YU WU LIN | 1,621 |
| JINGYUAN | 1,335 |
| ALIBABA COM HK LTD | 1,168 |
| ANHUI YINGLIU ELECTROMECHANICAL CO | 1,130 |
| CAVAGNA GROUP | 1,056 |
| ZF AIRBAG GERMANY GMBH | 793 |
| DRESSER MACHINERY SUZHOU CO LTD | 777 |
| HAINAN GOLDEN SHELL CO LTD | 689 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 61,221 |
| ITALY | 7,376 |
| GERMANY | 5,250 |
| TAIWAN | 3,150 |
| REPUBLIC OF KOREA | 3,139 |
| INDIA | 2,892 |
| UNITED KINGDOM | 1,335 |
| SPAIN | 1,073 |
| BELGIUM | 762 |
| JAPAN | 707 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LONG BEACH, CA | 19,154 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 16,218 |
| LOS ANGELES, CA | 15,177 |
| OAKLAND, CA | 11,303 |
| HOUSTON, TX | 8,624 |
| TACOMA, WA | 4,565 |
| SEATTLE, WA | 4,315 |
| CHARLESTON, SC | 4,236 |
| SAVANNAH, GA | 3,143 |
| NORFOLK, VA | 2,326 |
Harmonized System classification
HS code 848140 — Safety or relief valves. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
More products under HS 8481
Other six-digit codes in HS 8481: Taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves, with their U.S. import volume.
Frequently asked questions about importing Safety or relief valves
Who imports Safety or relief valves (HS 848140)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Safety or relief valves include CAVAGNA NORTH AMERICA INC, RADIANS INC, ABORDER PRODUCTS INC, DILL AIR CONTROLS PRODUCTS LLC, and ROTORK CONTROLS INC.
Who is the largest U.S. importer of Safety or relief valves?
CAVAGNA NORTH AMERICA INC is the largest U.S. importer of Safety or relief valves (HS 848140), with 1,224 bill-of-lading shipment records.
Who are the top suppliers of Safety or relief valves?
Leading suppliers shipping Safety or relief valves (HS 848140) to the U.S. include AUGUST AMBER HK LIMITED, CURTISS WRIGHT TIANJIN FLOW CONTR, YU WU LIN, JINGYUAN, and ALIBABA COM HK LTD.
How many U.S. shipments of Safety or relief valves are there?
ImportDoor has 96,525 U.S. import shipment records under HS code 848140, spanning Dec 2018 to Aug 2026.
Where is Safety or relief valves imported from?
Safety or relief valves is imported into the U.S. primarily from CHINA, ITALY, and GERMANY.
Find Safety or relief valves importers & suppliers
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