Valve Ball Grinding

Dedicated Customer Teams & Agile Services

Our worldwide ensures timeliness, cost efficiency and compliance adherence required to ensure your timelines are professionally met.


Except for our experianced and skiled workers, We use best equipment to ensure the high quality & stability.


All the machines runs on roller sliders to assure the max. possible accuracy and the best surface finishing
An independent chilling unit to keep the coolant temperature constant for the max accuracy of the workpiece.
CNC controlled Y axis for the micro vertical movement of the grinding wheels
75% reduction of cycle time
High accuracy


Grinding with OD wheel for maximum speed flexibility. 
Grinding with cup wheel for maximum accuracy

The Results

Roundness ≤0.03mm
Surface roughness=0.4μm
Outside diameter. 1/2″-4″ +-0.03 mm, 6″-12″+-0.05 mm (Outside diameter tolerance)
Inner diameter 1/2″-4″ 0~0.03mm,6″~12″ 0~0.05mm (Inner diameter tolerance)