Showing all published months. Partner preview tables include up to 5 countries.
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USD value by month, all available partner countries combined
Free partner preview shows up to 5 countries.
Total value across the selected data period
| Partner | Value | Share |
|---|---|---|
| United States | $203.9M | 12.6% |
| Russia | $147.7M | 9.1% |
| Canada | $118.4M | 7.3% |
| UAE | $101.6M | 6.3% |
| Saudi Arabia | $77.4M | 4.8% |
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| Partner | Value | Share |
|---|---|---|
| Uganda | $5.7M | 16.8% |
| UAE | $3.5M | 10.3% |
| Saudi Arabia | $3M | 8.8% |
| Canada | $2.7M | 7.9% |
| Russia | $2.3M | 6.7% |
| Year | Export value |
|---|---|
| 2021 | $204.6M |
| 2022 | $230.7M |
| 2023 | $261.7M |
| 2024 | $322.1M |
| 2025 | $334.8M |
| 2026 | $261.8M |
China customs reports HS 848140 at the 8-digit level. 1 subheading is published under it, and export values for each are available on request.
Public data shows up to 5 partner countries. Buy monthly partner trade values in CSV; choose HS8 for native quantity and unit fields where published.
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HS 848140 is also written 8481.40. Values are in USD; the public series does not report tonnes or kg. Product scope: Pressure-relieving devices that automatically open to release excess pressure from boilers, piping, and pressurized vessels, protecting industrial systems from over-pressurization and catastrophic failure. The public page shows monthly export partner previews from official GACC customs statistics. Preview and buy a monthly CSV for your selected products, countries and years.
Source: China General Administration of Customs (GACC), cleaned and structured by China Data Portal.
Transformations: Values are presented as published by the source.
China Data Portal. "China Safety or relief valves (HS 848140) Export Data." https://chinadata.live/china-trade/hs/848140/
China exported $387M of safety or relief valves in the twelve months to August 2026, averaging $32.3M per month, based on official China customs statistics (HS 848140).
Pressure-relieving devices that automatically open to release excess pressure from boilers, piping, and pressurized vessels, protecting industrial systems from over-pressurization and catastrophic failure.
United States, Russia and Canada together account for 29% of the published total, out of 151 trading partners on record.
Annual exports grew by 64% between 2021 and 2025, from $205M to $335M.
Figures come from official China General Administration of Customs (GACC) statistics, published monthly. ChinaData cleans partner names, periods and values so the series is ready for analysis. Partner-level rows for every month, including HS8 detail, are available as a one-time CSV purchase. Choose your products and coverage, then preview the file and price before payment.