FIELD: oil producing industry. SUBSTANCE: device is designed for use in pump building and can be employed in sealing devices of rotating shafts of oil-well pumps provided with surface drive. Proposed device contains cylindrical housing accommodating seal unit installed with clearance. Seal packing members are arranged in multiple rows with tilting to pump shaft axis. Seal is provided with flexible cup with ring projections on outer surface. Said cup is installed in bores of sleeve and lower support bushing. Seal is furnished also with flat disk spring pressing up seal packing as they wear in process of pump operation. EFFECT: reduced service expenses, provision of normal ecological situation at site. 2 dwg
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