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railroad

Model 801U Inert Piston Retarder
 
  • piston retarder
  • The model 801U is a new kind of speed control
    developed for the North American Railroad industry.
    Its design principle is to automatically control the
    speed of cars. It can be installed in straight tracks,
    curves and the switching area. The 801U is ideal for applications in classification yards, steel plants,
    mines and other locations where a cars speed needs
    to be controlled.

    Technical Data for 801U  
    Item Stardard Metric
    Critical Speed 3 – 9 Miles/h 4.8 – 14.4 km/h
    Braking Energy > 1069.2 ft lbs 1450 J
    Idiling Resistance <36.9 ft lbs < 50 J
    Installing Angle 13" 13°
    Structure Speed 15.6 Miles/h 25 km/h
    Height for Installation 2.4 in 61 mm
    Maximum Operating Stroke 3.937 in 100mm
    Operating Medium 10# aeronautic hydraulic oil
    Weight 39.68 lbs 18kg
    Ambient Temp. -58°F – 122°F 18 kg
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