Underground Gas Service Valve Box

Nonmalleable cast iron enclosure for protecting gas shut-off valves buried underground in distribution lines. Falls under HTS 7325.10.0030 as a cast iron service box for utility valves.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7307.99.50Higher: 39.3% vs 35%

If functioning as a pipe fitting

Other cast steel/iron pipe fittings have dedicated subheadings.

7325.99Lower: 12.9% vs 35%

If made from other types of steel castings

Non-iron/steel cast articles fall under 'other' provisions.

8413.91.90Same rate: 35%

If parts of gas pumps or compressors

End-use in machinery shifts classification to Chapter 84.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Comply with DOT/PHMSA regulations by including pressure rating certifications

Use protective packaging to prevent casting cracks during shipping