Aluminum-Bodied Steel Disc Butterfly Valve 3-inch from Canada
Lightweight butterfly valve with steel disc in aluminum body, hand-lever operated for gas lines in float zone crystal growers. Provides reliable sealing for inert gases during monocrystalline semiconductor boule production. Classified as steel butterfly type under HTS 8481.80.3075 based on principal valve mechanism material.
Duty Rate — Canada → United States
15.6%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify steel disc as the essential component for steel classification justification
• Include helium leak test results to demonstrate semiconductor quality standards
• Declare body/disc material weights accurately for material composition rulings