FIELD: mechanics.
SUBSTANCE: invention can be used as flow stabiliser at automatic dosed introduction of inhibitor of hydrating and corrosion to gas flow (to gas wells or their tail areas). Device includes pressure control in the form of spring-loaded piston 5, command point in the form of the main and additional crane switches and discharge chamber with differential piston 11, throttle point having a sleeve with the hole controlled through the section by moving in it the piston with controlled stop on the end, system of channels in the form of two common outlet lines, which connect the points of the device. The main and additional crane switches are made in the form of sleeves 8, 8' correspondingly with slide valves 9, 14 located in them.
EFFECT: invention provides reliable and accurate dosing within wide range of the specified working liquid flow owing to elimination of effect of division vibrations at inlet and outlet and changes of liquid viscosity.
2 dwg
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