... hydro-power engineering projects HOB series hydro-cylinder is heavy type hydraulic cylinder, give the derive cylinder of double rod type and stroke adjustable ... mounding machines, elevators, ship-lifts, offshore well-drilling platforms, etc Hydraulic cylinder bore40506380100125150160180200250Max. stroke(mm120020003000Heavy TypeRated pressure140 kgf/cm2Pressure-resistant210 kgf/cm2Min ...