FIELD: mechanical engineering.
SUBSTANCE: invention relates to spacers for support being under high pressure. The spacer is provided with inlet and outlet. Piston cylinder is located between the above inlet and outlet. The cylinder ensures pressure transfer. The actuating piston of cylinder is tensioned with spring and contains bypass relief valve between both circular cavities.
EFFECT: production of device for spacing support being under high pressure, which is extremely simple and profitable in production.
8 cl, 1 dwg
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