Manostat Calibration Orifice Plate

Orifice plate insert for calibrating flow and pressure in manostat regulators for gas delivery systems. Classified in HTS 9032.90.61.40 as a manostat-specific accessory per note 2(b). Ensures accurate setpoint maintenance.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.7%+35.0%36.7%
🇲🇽Mexico1.7%+10.0%11.7%
🇨🇦Canada1.7%+10.0%11.7%
🇩🇪Germany1.7%+10.0%11.7%
🇯🇵Japan1.7%+10.0%11.7%

Alternative Classifications

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

8413.91.90Lower: 35% vs 36.7%

If pump components

Parts principally for pumps classify with pumps under 8413.

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

Provide NIST or ISO calibration certificates for verification

Declare bore size and material to match manostat specs

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