relay valve meaning in Hindi

Examples

1. On the electric side, pressure from a second straight-air trainline controlled the relay valve via a two-way check valve.
2. To correct this condition on a long-wheel-base vehicle, a relay valve is installed near the rear service brake chambers.
3. On the conventional side, the control valve set a reference pressure in a volume, which set brake cylinder pressure via a relay valve.
4. In a truck s air brake system, relay valves get a signal when a driver presses the treadle, which then opens the valve and allows air to enter the brake chamber via air inlet.
5. In tractors as well as straight-trucks, a remote air-supply is provided in the form of a large diameter pipe connected between the primary reservoir and the relay valve for remote service brake application.
6. The relay valve was equipped with four diaphragms, magnet valves, electric control equipment, and an axle-mounted speed sensor, so that at speeds over full braking force was applied, and reduced in steps at, bringing the train to a gentle stop.
7. Without relay valves, it would take too long for sufficient air to travel from the brake pedal valve to the rear of the truck or trailer in order to apply the rear service brakes concurrently with the front service brakes, resulting in a condition known as brake lag.
8. In order to control the trailer service brakes, the merged outputs ( i . e ., merged via 2 two-way check valves connected in-series to give three inputs ) of the foot-valve and trailer-hand-valve ( if applicable ) are directed through the tractor-protection valve, and onward towards the trailer relay valve via the blue service line.
9. In tractors that are not equipped with a trailer hand valve, only the merged outputs of the foot-valve ( i . e ., via a single two-way check valve ) are directed towards the trailer relay valve; however, the fact that the foot-valve's delivery-port outputs are still merged enables the trailer's service brakes to still be controlled even if there is failure within one braking circuit of the tractor.