Self-Operating Pressure Valve for Wafer Grinder Coolant Feed
Maintains constant pressure in coolant lines feeding wafer back-grinders for thickness reduction. HTS 8481.80.9015 classification for pressure regulation in semiconductor wafer grinding equipment. Ensures uniform grinding across 300mm wafer surfaces.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If valves for hydraulic/pneumatic transmission
Different application (power transmission vs process control) changes classification.
If specific to semiconductor grinding machines
Parts of wafer processing machinery take machine-specific part provisions.
If pressure control with manometer integration
Instruments for pressure control/regulation classify in Chapter 90.
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Import Tips & Compliance
• Include pressure regulation specs (e.g
• 2-6 bar) matching wafer grinder requirements
• Verify cleanroom particle generation ratings (≤ Class 1)
• Avoid classification as hydraulic components under 8412.90
Related Products under HTS 8481.80.90.15
Float-Level Regulator Valve for Wafer Processing Chemical Tanks
Self-operating float valve that automatically controls liquid levels in chemical reservoirs for wafer lapping and polishing processes. HTS 8481.80.9015 applies due to its self-regulating function for liquid level control in semiconductor wafer preparation equipment. Prevents overflow and maintains consistent slurry supply.
Temperature Regulator Valve for Wafer Slicing Coolant System
Self-operating thermostatic valve controls coolant temperature during diamond wafer slicing from silicon boules. Classified HTS 8481.80.9015 for temperature regulation in semiconductor wafer preparation saw equipment. Maintains optimal cutting conditions for minimal thermal damage.
Self-Operating Pressure Regulator Valve for Semiconductor Wafer Etching
This self-operating regulator valve automatically maintains precise pressure levels in chemical etching processes during semiconductor wafer fabrication. It falls under HTS 8481.80.9015 as a regulator valve specifically designed for controlling pressure in semiconductor manufacturing equipment. The valve responds to pressure differentials without external power, ensuring stable flow in corrosive etchants.
Thermostatic Control Valve for Crystal Grower Temperature Regulation
A self-operating thermostatic valve that regulates coolant flow to maintain exact temperatures in Czochralski crystal growers for silicon boule production. Classified under HTS 8481.80.9015 for its self-operating temperature control function in semiconductor material growth equipment. Ensures thermal stability critical for monocrystalline semiconductor purity.
Self-Operating Flow Control Valve for Wafer Grinding Coolant
Automatically regulates coolant flow rates in wafer grinding machines to achieve precise surface flatness tolerances. Falls under HTS 8481.80.9015 as a self-operating regulator for flow control in semiconductor wafer preparation equipment. Critical for maintaining consistent lubrication and heat dissipation.
Pressure Regulator Valve for Float Zone Crystal Puller
Self-operating valve maintains inert gas pressure in float zone crystal pullers for high-purity silicon production. HTS 8481.80.9015 classification for pressure control in semiconductor crystal growing equipment using float zone method. Prevents contamination during monocrystalline boule formation.