Four ball apparatus - 4Ball

Four ball apparatus – tester for AW/EP properties of lubricants

  • Contact: three point
  • Type of motion: sliding
  • Load: 50 N to 12000 N
  • Rotation speed: 150 min-1 to 3000 min-1
  • Temperature: 20 °C to 100 °C
  • Standard tests: DIN 51350, ASTM D 2266, D 2596, D 2783 and D 4172