Freight Car Air Brake Control Valve 120 Type TB Standard 500 KPa 600 KPa

Product Specification

Air Brake Parts 120 Type Air Control Valve for Chinese TB Standard Freight Cars

Brief introduction:

120 type air brake is the main brake system for Chinese railway freight cars. It has five function states: inflation release, deceleration inflation release, service braking, brake pressure maintaining and emergency braking.

120 type control valve is the core part of the 120 type air brake system and is mainly comprised of main valve, middle body, semi release valve and emergency valve and etc. It is mounted directly on the under frame by bolts and nuts through the holes on middle body.
 
Main parameters:

Main features of 120 air control valve:

• Two pressures’ mechanism: the main control mechanism is controlled by two pressures’ difference, one pressure is the auxiliary air cylinder’s pressure and another is the pressure of the train pipeline.
• Direct acting mode: during pressurization, the main control mechanism directly connects the brake pipe with the auxiliary air cylinder and the brake cylinder with the atmosphere; Similarly, during decompression, the main control mechanism directly connects the path between the auxiliary air cylinder and the brake cylinder.
• The main control mechanism adopts rubber membrane plate and metal slide valve structure.
• Service brake and emergency brake separate working
• Two stages part reduce
• Two section rises during emergency brake
• Accelerated release

 
Detail images:

120 main control valve

Middle body:

Emergency valve:

120 type air brake control valves installed on railway wagons:

Why choose us?

1. Tieke is an authorized railway wagons parts provider of Chinese Railways and our quality is assured;
2. Tieke provide full ranges of various wagon and wagon spare parts and one stop services for customers;
3. Tieke is adaptable to different railway gauges, different axle loads, running speeds;
4. Tieke could design and manufacture according other railway standards like AAR, EN, TB, GOST and etc.

FAQ:
Q1: Are you a trading company or a factory?
A: We are directly a factory and we manufacture and export railway wagons, bogies and various wagon parts directly.

Q2: Do you have design ability to provide customized railway wagon parts?
A: Yes, we have professional technical team and we are familiar with international railway standards like UIC, AAR, EN and we are able to provide railway parts according to customer requirements.

Q3: Chinese railway gauge is 1435mm, but our country’s is 1000mm gauge, will this be a problem for you?
A: Of course not, we are able to design railway wagon bogies of different gauges like 1435mm, 1000mm, 1067mm, 1520mm or other required railway gauges.

Q4: Why should I choose you, compared with your competitors?
A: Tieke Railway was transformed from wagons factory belong to Chinese Railway in 2016 and the company have over 10 years’ experiences in manufacturing railway wagons and bogies; Now as Tieke Railway is a private company and adopt modern market management strategies, our services are flexible and more considerate and our cost is more controllable.

Q5: What should I provide to get a quotation from you?
A: You could send your inquiry with detail drawings, product photos, detail technical parameters or requirement description. A complete requirement input is very important for us to provide an accurate quotation to you.