Copper Check Valve for Irrigation Systems
A copper check valve that prevents backflow in irrigation pipes and tanks, operating automatically via pressure differential but classified as a check appliance part. Fits HTS 8481.90.10.00 due to its copper construction for hand/check systems.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as complete check valve assembly
Finished check valves classify as complete appliances, not parts.
If for industrial steam applications
Certain copper pipe fittings for tubes shift to Chapter 74 if not valve-specific.
If stainless steel construction
Steel check valve parts fall under general metal parts provision.
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Import Tips & Compliance
• Provide flow diagrams showing backflow prevention function to support check valve status
• Label with copper alloy specifications (e.g
• UNS C83600) for customs verification
• Separate from pipe fittings to prevent reclassification under plumbing hardware
Related Products under HTS 8481.90.10.00
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A hand-operated copper ball valve used to control water flow in residential plumbing pipes and tanks. It features a spherical disc to block or allow flow, classified under HTS 8481.90.10.00 as a part of copper for hand-operated valves.
Brass Gate Valve Stem of Copper Alloy
A replaceable copper alloy stem for hand-operated brass gate valves used in boiler shells and pressure vessels. Essential operating part classified under HTS 8481.90.10.00 for copper parts of hand-operated appliances.
Copper Quarter-Turn Handle for Stop Valves
Hand-operated quarter-turn copper handle for shut-off stop valves in water tanks and pipes. Acts as the essential control part, falling under HTS 8481.90.10.00 as copper parts for hand-operated appliances.
Copper Swing Check Valve Disc
The swinging disc component of copper check valves for preventing reverse flow in pipeline tanks. Classified as a copper part of check appliances under HTS 8481.90.10.00.
Lead-Free Copper Angle Stop Valve Cartridge
Replaceable cartridge insert for hand-operated copper angle stop valves on water supply tanks. Meets NSF-61 standards, classified under HTS 8481.90.10.00 as copper hand-operated valve parts.
Copper Butterfly Valve Shaft
Rotary shaft for hand-lever operated copper butterfly valves in large tanks and ducts. Critical operating component under HTS 8481.90.10.00 for copper hand-operated parts.