JZ-7 Train Brake Valve 500kPa 600kpa Railway Braking System

Train brake valve JZ-7 railway coach brake valve

JZ-7 Brake valve may be used not only on passenger locomotives but also on freight locomotives.

It has the ability to gradually release at passenger locomotive, and directly release at freight locomotive.

JZ-7 mainly consists of automatic brake valve (large brake), separate brake valve (small brake), relay valve, distribution valve, application valve ect.

Performance:

1. Time for initial charge of pressure reservoir of distributing valve from 0 to 460 kPa : 50~60s

2. Time for initial charge of pressure reduction reservoir of distributing valve from 0 to 480 kPa : 55~65s

3. Effective local reduction of brake pipe (KPa): 25~35

4. Local reduction should take effect before brake pipe of the single locomotive reduces pressure to 20 kPa. At the same time, the main valve acts: starting local reduction and brake cylinder lifting pressure

5. Graduated release times after in full service application: not less than 5 times (at the passenger train position)

6. Time for pressure reduction in equalizing reservoir in service application from 500KPa to 360KPa (S): 5~7

7. Max. brake cylinder pressure in full service application (KPa): 340-360

8. Time for build-up of brake cylinder pressure in full service application (S): 5-7

9. Time for release of brake cylinder pressure from 350KPa to 35KPa (S): 5~8

10. Time for exhaust of brake pipe to 0 in emergency application (S): within 3s

11. Max brake cylinder pressure after emergency application (KPa): 420~450

12. Time for build-up of brake cylinder pressure to max. after emergency application (S): 5~7

Performance of independent braking:

Highest brake cylinder pressure in full application position (KPa): 300

1. Time for build-up of brake cylinder pressure from 0 to 280KPa (S): within 3s In running position,

2. time for reduction of brake cylinder pressure from 300Kpa to 35Kpa (S): within 4s

Application

Related products

1. MUD distributor valve

2. Brake cylinder

3. RGC-1A Sensor Valve

4. Auxiliary reservoir

5. Air brake hose assembly

6. Throttle

7. Slack Adjuster

8. Caboose Valve

9. Angle cock

Hengtairail Equipment Co., Ltd (hereinafter referred to as “Hengtairail”) was established by Mr. Wei, in 1999. He was as a vehicle engineer in the China Railway Chengdu Bureau. A professional engineer team and high-efficiency sales team have been built at present.

Hengtairail is certified and operating to the ISO9001:2015 management system. Products meet technical requirements China Railway Test & Certification Centre (CRCC), Association of American Railroads (AAR), International Union of Railways (UIC), etc.

Hengtairail is a global supplier of rail vehicle components & systems. Including casting, forging, and machining products.

Specific products include:

· Wheelset: axle, wheel

· Bearing & axle box

· Spring & vibration control system: steel spring, rubber spring, air spring, leveling valve, shock absorber, and other truck components

· Coupler & draft gear device

· Braking system that meets UIC & AAR requirements

· Passenger train facilities & equipment: window, handrail, luggage rack, seat, HVAC system, toilet, gangway, plug door, interior products

· Locomotive parts

Based on the cooperation of many reliable manufacturers, Hengtairail has lots of advantages, such as flexible delivery time & payment terms, convenient after-sales service, etc. Under those favorable conditions, clients’ procurement costs and risks can be controlled effectively. It’s beneficial for clients to purchase transnational.

After more than 20 years of development, relying on high-quality products and professional services, Hengtairail establishes a complete supply chain system and long-term good business relationships with clients who come from more than 30 countries and regions.

Safety is the forever theme of public transport. Fast and big capacity of passengers is the particularities of rail transport. That makes us have a higher requirement for safety. Therefore, Hengtairail will continue to carry out the manufacturing process and quality guarantee schedule strictly, offer excellent products to meet clients' needs, and become a comprehensive supplier of rail vehicle components with core competitiveness.