DRIVE FOR PIPE LINE SHUT-OFF FITTINGS

摘要

FIELD: remote and local control of high-pressure gate valves fitted in main pipe lines. SUBSTANCE: drive includes bearing body and electric motor with hollow rotor. Member of valve made in form of screw spindle passes through body and hollow rotor. Bearing body is connected with electric motor and screw spindle through intermediate solids of revolution. EFFECT: improved service properties of drive. 9 cl, 4 dwg