Pump Control Valve Spool
Precision-ground spool for electro-hydraulic pump controls, modulating flow direction in displacement control valves. Enables variable pump output. Part of hydraulic fluid power pumps per HTS 8413.91.9060.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as independent control valve
Spools primarily for flow regulation classified as valves, not pump parts.
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Import Tips & Compliance
• Electrical integration doesn't change classification; focus on hydraulic actuation function
• Document stroke lengths and land diameters proving pump compensator design
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