Pulp Digester Agitator Blade
A heavy-duty stainless steel blade designed for installation in pulp digesters to mix and circulate wood chips during the chemical pulping process. It falls under HTS 8439.91.90.00 as a part specifically for machinery used in making pulp from fibrous cellulosic materials, such as kraft digesters. The blade ensures uniform cooking and prevents material buildup.
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 paper finishing machinery
Parts for paper-making or finishing equipment (not pulp-making) are classified under the broader 'other' parts provision in 8439.99.
If integral to a steam-heated digester
Parts of machinery for the treatment of materials by a process involving heating (like steam digesters) may shift to heading 8419.
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Import Tips & Compliance
• Verify material certificates to confirm compatibility with cellulosic pulp processes; ensure ASME compliance for pressure vessel parts; watch for anti-dumping duties on steel components
Related Products under HTS 8439.91.90.00
Pulp Press Roll Segment
Segmented roll covering for pulp presses that squeeze water from pulp before drying. Classified in HTS 8439.91.90.00 as part for pulp-making from cellulosic materials. Provides high-nip pressure for efficient dewatering.
Continuous Digester Feed Valve Actuator
Pneumatic actuator for feed valves in continuous pulp digesters controlling chip/liquor flow. HTS 8439.91.90.00 part for pulp-making machinery of fibrous cellulosic material. Ensures precise process control in high-volume production.
Pulp Screener Basket
Cylindrical slotted basket for pulp screening equipment that removes shives and debris from pulp stock. HTS 8439.91.90.00 as part for machinery making pulp of fibrous cellulosic materials. Precision slots ensure clean pulp for papermaking.
Digester Peeler Blade
Specialized blade for batch digester peelers that remove spent chips from vessel walls post-cook. Part of pulp-making machinery, HTS 8439.91.90.00 for fibrous cellulosic pulp processes. Extends digester life by thorough cleaning.
Recovery Boiler Liquor Nozzle
Black liquor spray nozzle for kraft pulp recovery boilers that burn spent cooking liquor to recover chemicals. While boiler-focused, classified as part of pulp-making machinery under HTS 8439.91.90.00 due to integral role in chemical pulping cycle.
Wood Chip Impregnator Nozzle Assembly
Precision-engineered nozzle set for wood chip impregnators that pre-treat chips with cooking chemicals before digestion in pulp production. Classified under HTS 8439.91.90.00 as a part of pulp-making machinery for fibrous cellulosic materials. It ensures even chemical penetration for high-quality pulp yield.