FIELD: formation of steady-state flows of liquids. SUBSTANCE: hydrostatic liquid metering pump includes metering tank with liquid, gas line, gas pressure stabilizer, throttle-flow rate control unit, membrane stabilizer of pressure difference connected with inlet chamber to metering pump and with outlet to metering object, throttle connected to outlet of gas pressure stabilizer, connecting members coupling inlet of gas pressure stabilizer to outlet of throttle and inlet of metering tank. Throttle-flow rate control unit is placed between inlet and outlet chambers of pressure difference stabilizer. EFFECT: enhanced operational reliability and accuracy. 11 cl, 1 dwg
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