Valmet Stock Centrifugal Pump for Pulp Processing
This centrifugal stock pump from Valmet is specifically engineered for circulating fibrous stock slurries in cellulosic pulp and paperboard manufacturing lines. It features abrasion-resistant impellers and casings designed to handle high-consistency pulp mixtures, falling under HTS 8413.70.1000 as a stock pump imported for use with pulp and paper machines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used in non-cellulosic pulp processes like recycling or non-wood fibers
Stock pumps for other pulp types (not cellulosic) fall under the broader other centrifugal pumps category.
If imported as a replacement part for an existing pump assembly
Parts of stock pumps are classified separately under pumps parts heading rather than complete pumps.
If sold as an integral component in a complete paper stock preparation machine
Machines for making pulp or paper, including integrated pumps, are classified in Chapter 84 as complete machinery.
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Import Tips & Compliance
• Provide end-use certification proving the pump will be used exclusively with cellulosic pulp, paper, or paperboard machines to qualify for this HTS
• Ensure documentation includes technical specs showing centrifugal design and suitability for stock handling to avoid reclassification as general pumps
• Verify abrasion-resistant materials comply with US pulp industry standards; common pitfall is missing proof of paper mill destination
Related Products under HTS 8413.70.10.00
NASH Stock Handling Vacuum Pump
NASH centrifugal vacuum pumps modified for stock lines in cellulosic paper production, providing both pumping and dewatering functions. Meets HTS 8413.70.1000 criteria as specialized equipment for pulp and paperboard machinery stock systems.
Andritz ASP Radial Stock Pump
Andritz ASP series radial centrifugal pump is optimized for low-pressure stock transfer in paper mill approach flow systems, handling cellulosic pulp dilutions up to 1% consistency. Classified under HTS 8413.70.1000 due to its dedicated use in paperboard production lines with machines for cellulosic materials.
Sulzer ZPP Double-Suction Stock Pump
Sulzer's ZPP double-suction centrifugal stock pump delivers reliable performance for medium consistency cellulosic pulp transport in paperboard manufacturing. Its open impeller design prevents fiber clogging, qualifying it precisely for HTS 8413.70.1000 as dedicated stock equipment.
KSB Multitec Stock Pump for Paperboard Lines
KSB Multitec series centrifugal pump with open impellers for cellulosic stock recirculation in paperboard manufacturing approach systems. Precisely matches HTS 8413.70.1000 for its dedicated pulp and paper machine compatibility.