Standard Features
Standard SCHAAF Hydraulic Nuts, Typ A 4501, consist of:
  • Cylinder, knurled (1)
  • Ring Piston (retained in the cylinder to prevent loss) (2)
  • 2 or 3 Actuator Pistons resp. with Acuator Screw, tangential (3)
  • High Pressure Seal Set for temperatures from -30°C through to +100°C (4)
  • Bleeding Screw (5)
  • Pressure medium (special high pressure grease) (6)

  • Pressure Indicator Pin (8)


  • and are equipped with:

  • radial tommy bar holes (7)
  • thread recess for centering
  • surface treatment (chemi-blackened)

  • Allen key