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UIC STANDARD BRAKE SYSTEM

MUB brake system is in accordance with the UIC standards ,and have TSI certificate,to ensure the vehicle with MUB braking system and other vehicles fitted UIC can be mixed operation.

System configuration

MUB brake system is mainly composed of distribution valve MUD, weighing valve, brake cylinder, brake shoe adjuster, auxiliary reservoir ,flow throttle , angle cock, coupling hose etc

Part sintroduction

Name

Distributor valve MUD

Functions

Distributor valve MUD is the key part of the air brake system, controlling brake system to generate inflation, braking, ease and the other functions.

Technical parameters
  • Operating temperature:-40~70℃
  • Standard pressure:500kpa,adapt 600kpa
  • Max.permitted service pressure:380±10kPa or 420±10kPa
  • Empty max.permitted service pressure:adjusting as the request of vehicle.
  • Braking time G position :18-30s P position：3~6s Release time G position：45~60s P position：15~20s
Material Science

aluminum-alloy

  • Name

    Distributor valve MUD

    Functions

    Distributor valve MUD is the key part of the air brake system, controlling brake system to generate inflation, braking, ease and the other functions.

    Technical parameters
    • Operating temperature:-40~70℃
    • Standard pressure:500kpa,adapt 600kpa
    • Max.permitted service pressure:380±10kPa or 420±10kPa
    • Empty max.permitted service pressure:adjusting as the request of vehicle.
    • Braking time G position :18-30s P position：3~6s Release time G position：45~60s P position：15~20s
    Material Science

    aluminum-alloy

    Distributor valve MUD
  • Name

    Weighing Valve type RGC-1A

    Functions

    Weighing valve type RGC-1A provides two kinds of pressure of controlling signals to the MUD distributing value. one is "empty",the other is "loaded ".

    Technical parameters
    • Operating temperature:-40~70℃
    • Maximum moving distance of connect :65mm
    • Effective moving distance of connect :6mm
    • The response time, the empty spaces to loaded position
    • Quickly move the connect to the loaded position, to keep the 3S above, the output pressure reached 300kPa within 30s .
    • Quickly move the push rod to the loaded position,keep the 3S above , the output pressure can not cause the conversion from empty to loaded position.
    • Response time - loaded position to an empty space
    • Quickly release the push rod to the empty spaces, to keep the 3S above, the output pressure drop to 50kPa within 90s .
    • Quickly release the push rod to the empty space, to keep 3S above, the output pressure can not cause the conversion from loaded to empty .
    Material Science

    Cast iron

    Weighing Valve type RGC-1A
  • Name

    Slack Adjust Type ZTI-600

    Functions

    Type ZT1-600 slack adjuster can automatically shorten and stretch due to worn-out or replacement of the brake shoe,in order to maintain a constant brake clearance and piston stroke in brake cylinder .

    Technical parameters
    • Operating temperature:-40~70℃
    Material Science

    High-quality carbon steel

    Slack Adjust Type ZTI-600
  • Name

    brake cylinder

    Functions

    Type ZT1-600 slack adjuster can automatically shorten and stretch due to worn-out or replacement of the brake shoe,in order to maintain a constant brake clearance and piston stroke in brake cylinder .

    Technical parameters
    • Operating temperature:-40~70℃
    • Diameter of piston:12in 、14in、16in .
    • Piston maximum stroke:220mm
    • Push rod minimum recovery force:600±50N
    Material Science

    High-quality carbon steel

    brake cylinder
  • Name

    Auxiliary Reservoir

    Functions

    Auxiliary reservoir is used to store air pressure,which is used as air source bringing the air pressure into brake cylinder through distributing valve when brake works.

    Technical parameters
    • Operating temperature:-40~70℃
    • Volume:75l、100l、125l series.
    Material Science

    High-quality carbon steel

    Auxiliary Reservoir
  • Name

    Hose coupling

    Functions

    The angle cock is used to close the air brake device in the vehicle and empty the the compressed air in hose connector.divided into type L and type R, type L is used for installing on the left side of the coupler, the type R is used for mounted on the right side of the coupler

    Technical parameters
    • Operating temperature:-40~70℃
    • Drift diameter:≥ 25mm
    • Exhaust port cross section:≈80mm2
    • Working pressure:0~1MPa
    • Hand torque:9~20Nm
    Material Science

    Cast iron

    Hose coupling
  • Name

    Flow Throttle

    Functions

    The main function is to avoid the sharp reduction of air pressure in auxiliary reservoir (and sharp reduction of brake force),which caused by the crack or falling-down of the hose pipe.

    Technical parameters
    • Operating temperature:-40~70℃
    • Drift diameter:2mm
    Material Science

    Cast iron

    Flow Throttle
  • Name

    Guard Valvee

    Functions

    Guard valve is also named emergency brake valve,which is installed on brake van.It has the function of braking under emergency to ensure the train running safety.when the danger of train has been observed during running,it is operated by the guard in brake van.

    Technical parameters
    • Operating temperature:-40~70℃
    • Standard pressure:500kpa,adapt 600kpa
    • maximum working pressure :700kpa
    Material Science

    aluminum-alloy

    Guard Valve