FIELD: hydromechanical engineering. SUBSTANCE: test facility for piping valves with flanges has base and hold-down device in the form of fixed plate mounted on base and moving plate hinged to rod of loading hydraulic cylinder. The latter is mounted on hinged slab moving relative to support. Hinged slab has split force braces mounted for joining with fixed plate; fixed plate mounts sliders provided with longitudinal slots and engaging rods of hydraulic cylinders to clamp valve flanges. EFFECT: improved validity of test results. 1 dwg
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