FIELD: automatic control equipment. SUBSTANCE: device has input tank and output tank, which outputs liquid material with controlled usage through output hole. Said tanks are separated by joint wall which runs to walls of tanks and is covered by bell-shaped assembly, which provides first and second intermediate tanks which are located on both sides of joint wall and are kept under given gas pressure. EFFECT: simplified design, decreased dependence on alteration of characteristics and conditions of its operations. 7 cl, 2 dwg
