FIELD: hydraulic cylinders for underwater equipment. SUBSTANCE: device includes cylindrical housing with cover, piston with rod connected with cover; piston can move relative to cover and housing through complete stroke. Sleeve located inside housing embraces piston and part of rod. Housing and sleeve are provided with sleeve and piston stroke limiters, respectively. Stroke limiters are made in form of circular projections on inner surfaces of housing and sleeve. Sleeve is connected with piston over minimum diameter and with circular projection of housing over maximum diameter. EFFECT: enhanced reliability. 1 dwg
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