Pressure control valve for use in e.g. hydraulic assembly in tunnel construction, has valve piston regulated by axially running blind hole, and valve piston comprising outer wall causing differential pressure that unloads valve spring
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Hydraulic punches with thin-walled outer and inner tubes
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Device for increasing the pressure in cylinders with switching device
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Pressure relief valve with indirect damping
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Pressure relief valve with direct damping
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Pressure relief valve for protecting hydraulic face support in subsurface mining, has annular space serving as storage space formed between spring and inner wall of housing, and hydraulic fluid output is formed in base opposite to cover
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Pressure relief valve for hydraulic ram has valve housing at valve inlet over projecting valve connection and steadying zone is provided on the valve inlet to smoothen turbulence before actual valve
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Pressure relief valve with two-part spring plate tappet and damping chamber
