GOST standard brake system,

System Introduction

MRDbrakesystemis in accordance withtheRussiaGOST standard,can mix with the CIS train breaking system,can meet the working temperature from -60℃-+60℃。。

System configuration

The basic configuration of the breaking system: Distribution valve、Empty and load automatic adjustment equipment、Brake cylinder、Brake slack adjuster,auxiliary air cylinder,angle plug doors,broken cock, hose connectors,and so on.

Introduction to components

Name

Sensing valve

Functions

Depending on the position of stopper spring deflection when the load changes in different pillow vehicle, sensing valve whereby a portion of the input signal relay valve air pressure, so that the brake cylinder pressure with a car load without level ground, varies in proportion to achieve air vehicle Automatic stepless adjustment.

Technical parameters

Working Temperature：-60~60℃
Empty parking brake: falling gas chamber was raised from 0 to 300kPa of time shall not exceed 12s Semi-heavy braking position: Buck chamber pressure should be 100 ± 25 kPa Heavy parking brake: Buck chamber pressure should be zero for the buck chamber pressure.

Material Science

Aluminum alloy

Name
Sensing valve
Functions
Depending on the position of stopper spring deflection when the load changes in different pillow vehicle, sensing valve whereby a portion of the input signal relay valve air pressure, so that the brake cylinder pressure with a car load without level ground, varies in proportion to achieve air vehicle Automatic stepless adjustment.
Technical parameters
- Working Temperature：-60~60℃
- Empty parking brake: falling gas chamber was raised from 0 to 300kPa of time shall not exceed 12s Semi-heavy braking position: Buck chamber pressure should be 100 ± 25 kPa Heavy parking brake: Buck chamber pressure should be zero for the buck chamber pressure.
Material Science
Aluminum alloy
Sensing valve
Name
Relay valve
Functions
Relay valve according to a signal sensing valve, so that the brake cylinder pressure with a car load without level ground, varies in proportion to realize empty and load automatic stepless adjustment.
Technical parameters
- Working Temperature：-60~60℃
- When the load (constant pressure 600kPa), the brake cylinder pressure is 430kPa; In the empty truck, the brake cylinder pressure is 160kPa;
Material Science
Relay valve
Name
Type ZT3-500 bidirectional brak
Functions
ZT3-500 bidirectional brake shoe clearance adjustment device is able to automatically extend or shorten a link, to ensure that the brake shoe and the wheel tread surface distance between the vehicle application process remains unchanged.
Technical parameters
- Working Temperature：-60~60℃
- Slack adjuster capacity:675mm
Material Science
High quality steel
Type ZT3-500 bidirectional brak
Name
The brake cylinder
Functions
The brake cylinder can generate the thrust force which changes with the compression air pressure and the piston size, and the thrust is transferred to the basic brake device through the piston rod.
Technical parameters
- Working Temperature：-60~60℃
- Piston diameter:356 mm
- Piston maximum stroke: 240mm
Material Science
High quality steel
The brake cylinder
Name
The brake cylinder
Functions
Auxiliary reservoir is used for storing pressurized air during braking condition as the air supply pressure air through the dispensing valve into the brake cylinder charge, braking action.
Technical parameters
- Working Temperature：-60~60℃
- Max.permitted service pressure:700kPa
Material Science
High quality steel
Auxiliary reservoir
Name
Angle Cock
Functions
Angle cock for path breaking in the hose connector off the train pipe to the atmosphere.
Technical parameters
- Working Temperature：-60~60℃
- Max.permitted service pressure:1000kPa
- Angle Cock in the closed position with self-ventilation function
Material Science
Cast iron
Angle Cock
Name
Hose coupling
Functions
Hose coupling is in accordance with the TB standards
Technical parameters
- Working Temperature：-60~60℃
- Max.permitted service pressure:1000kPa
Material Science
Cast iron+Rubber
Hose coupling
Name
Type MAC Control Valve
Functions
MAC control valve is a core component of the braking system, brake system to produce inflation control, braking and ease other functions.
Technical parameters
- Working Temperature：-55~60℃
- Meet can work properly when the brake pipe of constant pressure 450kPa ~ 600kPa Three pressure between two pressure and convertible. When a direct mitigation function at a second pressure, the pressure in the third stage of remission should have a function. Brake cylinder pressure: when the load (constant pressure 600kPa) 400kPa ~ 450kPa; at no load, 140kPa ~ 180kPa. When heavy parking brake cylinder 0 to 350kPa of time is 7 ~ 14s, Brake cylinder pressure began to fall to no more than 40kPa 60s.
Material Science
Aluminum alloy
Type MAC Control Valve
Name
Truncated plug
Functions
Truncated plug connection managers and distribution valve connect or close the door.
Technical parameters
- Working Temperature：-60~60℃
Material Science
Cast iron
Truncated plug

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