Hardened Alloy Fluid End for Hydraulic Test Pumps

Hardened chrome-moly alloy fluid end block for hydraulic fluid power pumps used in hydrostatic pressure testing of pipelines. Designed for 20,000+ PSI operation with replaceable liners. Covered by HTS 8413.91.9055 as hydraulic pump parts.

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.

9026.10.60.00Lower: 17.5% vs 35%

If integral to pressure testing instruments

Equipment primarily for measuring/testing pressure classifies in Chapter 90.

8413.91.90Same rate: 35%

If for hydraulic ram pumps

Different hydraulic pump technologies have separate part provisions.

7325.99Lower: 12.9% vs 35%

If cast iron construction

Cast fluid ends of iron classify by material rather than function.

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

Submit NACE MR0175 compliance certs for sour service applications

Detail heat treatment specs (e.g

normalized and tempered) in technical data sheets

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