APD: Innovation You Can Trust
Advanced Power Dynamics is dedicated to providing railway operators worldwide with dependable, innovative solutions to their challenges.
High and Low Pressure Compressor Discharge & Suction Valves
- Tariff-Free Assurance: Avoid tariff worries. Our Turkish-made valves deliver cost-effective solutions.
- Globally Trusted: Years of successful use by leading European and U.S. railway operators demonstrate reliability and performance in demanding environments.
- Proven Cost Savings: APD delivers high-quality components that optimize fleet efficiency and reduce maintenance costs.

Available Models
APD P/N: 9684248
- GD Ref Nr.: 202VEG307A
- EMD Ref Nr: 8424969
- Valve Assembly… High Pressure Discharge
APD P/N: 8684247
- GD Ref Nr: 202VEH307A
- EMD Ref Nr: 8424968
- Valve Assembly…Low Pressure Discharge
APD P/N: 6499138
- GD Ref Nr.: 202VEG306A
- EMD Ref Nr: 9319946
- Valve Assembly… High Pressure suction unloading
APD P/N: 7499138
- GD Ref Nr.: 203VEH306A
- EMD Ref Nr: 9319947
- Valve Assembly… Low Pressure suction unloading
Why Choose APD?
Tariff-Free Import Advantage
Cost-Effective Solutions
Proven Durability & Performance
Trusted by Global Rail Operators
This article was originally published by INPS Group.