500kPa MUD Distribution Railway Braking Valve - UIC Compliant for Freight Car Safety Systems
The MUD distribution valve is engineered for railway air brake systems in compliance with UIC standards. This critical component ensures operational safety across various railway braking applications by controlling air pressure distribution throughout the braking system.
As an essential safety component, the distribution valve manages charging and discharging of the main air reservoir based on pressure variations in the brake hose, directly impacting the safe operation of railway vehicles.
| Item | Specification |
|---|---|
| Standard Compliance | UIC 540:2006, UIC 547:1989, TSI Wagon, EN 15355:2008 |
| Working Temperature | -40℃ to 70℃ (-40℉ to 158℉) |
| Nominal Pressure | 500±10 kPa |
| Maximum Brake Cylinder Pressure | Loaded: 380±10 kPa | Empty: Customizable |
| Pressure Rise Time (0 to 95% max) | Position G: 24±3 seconds | Position P: 3-6 seconds |
| Pressure Drop Time (max to 40kPa) | Position G: 52.5±6 seconds | Position P: 17.5±2 seconds |
| Brake Propagation Speed | Maximum 285 m/s |
- Maintains consistent control pressure (CR)
- Rapid delivery of minimum braking pressure
- Stable brake cylinder pressure maintenance
- Maximum brake cylinder pressure limitation
- Precise overcharge control capability
The MUD distributor valve is a core component of the MUB air brake system, which is fully compliant with UIC standards for both performance parameters and interface dimensions. This braking system serves both freight wagons and railway passenger cars.
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