Railway Diesel Locomotive Brake Valve JZ-7 Parts
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.
| Product Name | Railway Brake Valve JZ-7 Parts |
| Ambient temperature | -40℃～50℃ |
| Package | Export package |
| Constant pressure of train pipe | 500kPa, 600kpa |
| Application | Railway diesel locomotive |
Performance:
1. Time for initial charge of pressure reservoir of distributing valve from 0 to 460 kPa : 50~60s
2. 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
3. Graduated release times after in full service application: not less than 5 times (at the passenger train position)
4. Time for pressure reduction in equalizing reservoir in service application from 500KPa to 360KPa (S): 5~7
5. Max. brake cylinder pressure in full service application (KPa): 340-360
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
About Us:
Hengtairail Equipment Co.,Ltd (hereinafter referred to as “Hengtairail”) was established by Mr. Wei, in 1999. He had worked as a vehicle engineer in the China Railway Administration. Professional engineer team and high efficiency sales team have had been built at present.
Hengtairail is certified and operating to 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 & system. Including casting, forging, machining products.
Application
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