FIELD: transport engineering. SUBSTANCE: control electropneumatic valve has pressure regulator, and shutoff-and-charging unit is provided with additional inlet branch pipe. Housing of shutoff-and-charging unit is divided into two hermetically sealed chambers. Spring-loaded valve controlled by diaphragm is installed inside under-diaphragm chamber. EFFECT: increased maximum pressure in auxiliary air reservoir at constant parameters of main pneumatic system, economy in consumption of air. 2 cl, 2 dwg
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