Pressure Reducing Valve Spring from Japan
High-tensile alloy steel compression spring that maintains set pressure in diaphragm-operated reducing valves for water systems. Calibrated for specific spring rates, classified as a valve part under HTS 8481.90.90.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify spring rate (lb/in) and material (17-7PH stainless) to avoid generic spring classification
• Pair with valve OEM documentation showing interchangeability
• Test for corrosion resistance if for aggressive media applications