Air Brake Relay Valve RV-202
RV-202 relay valve multiplies air signal for faster brake application across rail car axles. Classified HTS 8607.21.50.00 as other air brake component for tramways/railways. Ensures uniform braking force distribution.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If safety/relief valve function emphasized
Safety valves classified separately regardless of rail use.
If as air compressor regulator
Compressors and regulators in Chapter 84.
Not sure which classification is right?
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Import Tips & Compliance
• Pressure ratio documentation critical for relay function
• Specify single/tandem piston configuration
Related Products under HTS 8607.21.50.00
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Emergency Brake Reservoir Valve
Valve assembly for auxiliary/emergency air reservoirs on passenger rail cars. Provides immediate air supply for emergency braking under HTS 8607.21.50.00. Meets crashworthiness standards.