SERDI – Valve Seat Machine 3.5

Diameter range 16 – 70 mm
Table travel 160 mm
Spindle speed 10 – 1200 RPM
Spindle power  1.5 kW
External Measures 1690 x 1050 x 2170 mm
Weight 1085 kg


High precision seat and valve guide cutting

Especially designed for multi-valve cylinder heads. Patented workhead with triple air-float, patented centering system and built-in spindle motor.
Perfect machine for the most demanding motorcycle and automotive multi-valve cylinder heads. Achieves excellent levels of concentricity even in guide sizes smallar as 3mm.


  • Machine capacity from 16mm to 70mm diameter
  • Built-in spindle motor and triple air-float centering system
  • Minimal workhead inertia and maxium floatation
  • Variable speed with 1.5kW Siemens inverter
  • Forward and reverse directions
  • Extremely wide torque ratings
  • Digital speed rotation and machining depth
  • Improved rigidity modern modular bed design
  • Manual front-to-back displacement of cylinder head
  • Pneumatic locking
  • Dedicated tool bit sharpener (optional)
  • 360 degrees roll over fixture (optional)
  • LED worklight


  • Aeronautics
  • Marine engines
  • Racing
  • Motorcycle
  • Automotive


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