Pressure Release Valve for Sphygmomanometer from China
Precision screw-type valve allowing controlled cuff deflation during blood pressure auscultation, mounted on bulb or gauge. Ensures gradual pressure drop for accurate diastolic reading. HTS 9018.90.50.40 for such parts.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Leak rate specifications (e.g
• 2-3 mmHg/sec) critical for approval
• Brass vs plastic construction affects material declarations
• O-ring seals require chemical composition listing