Hydraulic Needle Flow Control Valve
Needle valves provide fine adjustment of hydraulic flow through tapered needle mechanisms. As flow control type for oleohydraulic transmissions, classified in HTS 8481.20.00.40 for precision machinery.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If process control applications
Industrial process valves have separate provisions from transmission valves.
If stainless steel construction for corrosive environments
Material-specific parts classification for certain valve components.
If includes integrated flow measuring instruments
Instrument-equipped valves classify in Chapter 90 per legal notes.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Calibrate and certify adjustment range (typically 0.01-1 GPM) for verification
• Use protective caps on adjustment ports during shipping to prevent contamination
• Distinguish from shutoff valves by documenting graduated flow adjustment capability
Related Products under HTS 8481.20.00.40
Hydraulic Throttle Valve
A hydraulic throttle valve regulates the flow rate of hydraulic fluid in transmission systems by adjusting the opening size. It falls under HTS 8481.20.00.40 as a flow control type valve specifically designed for oleohydraulic transmissions in machinery like presses and excavators.
Hydraulic Flow Restrictor Valve
This valve restricts hydraulic fluid flow to maintain consistent speeds in actuators. Classified in HTS 8481.20.00.40 for its flow control mechanism in oleohydraulic transmission systems of construction equipment.
Hydraulic Priority Flow Control Valve
Priority flow valves allocate hydraulic flow preferentially to essential circuits like steering before secondary functions. HTS 8481.20.00.40 covers this flow control type for oleohydraulic systems in agricultural tractors.
Hydraulic Meter-In Flow Control Valve
Meter-in valves control flow into actuators for speed regulation on extension strokes. HTS 8481.20.00.40 specifically identifies this flow control type for oleohydraulic transmission applications.
Hydraulic Diverter Flow Control Valve
Diverter valves proportion hydraulic flow between multiple circuits while controlling total flow. HTS 8481.20.00.40 covers this flow control functionality for oleohydraulic power transmissions.
Hydraulic Compensated Flow Valve
Compensated valves maintain constant flow despite varying pump pressures using internal compensation mechanisms. This flow control type for oleohydraulic transmissions is classified under HTS 8481.20.00.40.