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.
Import Duty Rates by Country of Origin
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?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Pressure ratio documentation critical for relay function
• Specify single/tandem piston configuration
Related Products under HTS 8607.21.50.00
Double Check Valve for Air Brakes
Dual check valve selects highest pressure source for air brake application. Railway rolling stock part HTS 8607.21.50.00. Critical for dual-circuit brakes.
Air Brake Reducing Valve
Pressure reducing valve steps down main reservoir air to brake cylinder pressure. 'Other' air brake part HTS 8607.21.50.00 for tramways. Adjustable 40-80 psi output.
Knorr-Bremse Brake Control Valve
The Knorr-Bremse DB10 brake control valve regulates air pressure to control braking force on passenger rail cars. As an 'other' air brake part under HTS 8607.21.50.00, it ensures precise brake application in tramway and railway rolling stock. Critical for fail-safe emergency braking systems.
Bendix Air Brake Quick Release Valve
Bendix QR-1 quick release valve rapidly exhausts brake pipe air for fast release on freight trains. 'Other' air brake part under HTS 8607.21.50.00 for railway rolling stock. Improves train handling by minimizing release times.
Railcar Air Brake Hose Diaphragm
Flexible diaphragm for gladhand connections between rail cars in air brake hose assemblies. HTS 8607.21.50.00 'other' for air brake parts of rolling stock. Seals 3/8" air lines at 90-120 psi.
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.