Chongqing Hengtairail Equipment Co.,Ltd.
Global Rolling Stock Parts Supplier
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Produce overview
MUD distributor valve is an important spare part to guarantee the safety of railway locomotives. The quality of the distributor valve determines whether a railway vehicle can run safely. If the distributor valve fails and is not repaired in time, it is like a sudden myocardial infarction, paralysis and death, thus affecting the operation of the entire locomotive.
Product specification
| S.No. | Item | Value | |
| 1 | Standard | UIC 540:2006 UIC 547:1989 TSI Wagon EN 15355:2008 | |
| 2 | Working temperature | -40℃ to 70℃(-40℉ to 158℉) | |
| 3 | Nominal pressure (kPa) | 500±10 | |
| 4 | Max. pressure of brake cylinder (kPa) | Loaded status | 380±10 |
| Empty status | As per requres | ||
| 5 | Time for the pressure of brake cylinder rising from 0 to 95% of the Max. value (s) | Position G | 24±3 |
| Position P | 3～6 | ||
| 6 | Time for the pressure of brake cylinder dropping from the Max. value to 40kPa (s) | Position G | 52.5±6 |
| Position P | 17.5±2 | ||
| 7 | Brake propagation speed (m/s) | The Max. speed is 285 | |
Product advantages
•Transferring the pressure reduction of brake pipe to a precontrol pressure / pressure of brake cylinder.
•Accelerating the pressure reduction of brake pipe when braking begins;
Below is the Layout of the components of the MUD distributor valve
The MUB air brake system is completely designed in accordance with the UIC standard, and its performance parameters and interface dimensions meet the requirements of the UIC standard. The braking system is not only used for wagon, but also for railway passenger car. MUD distributor valve is a important of MUB air brake system, below picture shows clearly of its installation location.
Test equipment
Application