Pusher Type Mechanical Shaft Seal from Japan
Spring-loaded pusher mechanical seal where sealing faces slide axially along the shaft in water pumps. Classified HTS 8484.20.00.00 for mechanical sealing mechanism. Common in HVAC and general water circulation systems.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include shaft diameter and RPM ratings to confirm dynamic mechanical seal status
• Watch for reclassification as rubber O-rings if secondary sealing emphasized over faces
• Certify materials for potable water compliance if applicable