The limits of pressure, below which the service brake when not allowed to discharge the brake line in the freight and passenger trains
The maximum pressure in the brake cylinder passenger car set after pressure equalization reserve tank and the brake cylinder through a hole 1, Channel 66, the plug 7 when moving the main piston 2 all the way into the gasket 3.
The cargo diffuser the maximum pressure in the brake cylinder occurs when the full course of the main piston 1, compressing the spring 2. This corresponds to the decrease in arterial pressure in the cavity compared to the charging pressure in the reserve tank passenger or cargo air distributor chamber slide at 1.3-1.4 kg/cm2. Deeper drop in line pressure is in the passenger air distributor with a large force pressing the piston 2 to 3 routing, and load - increasing the contact pressure of the main piston 1 to the hub shell 3 main parts, the pressure in the brake cylinder to rise at the same time can not, as in the cargo diffuser with a decrease in line pressure is lower than in a reserve tank, lost opportunity to supply the spare tank through a check valve 4 leakage from the brake cylinder and pressure decrease in the reserve tank, from which it eats brake cylinder through a valve 5.
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