Valve Seat Inserts

The valve seat insert prevents the impact of the valve into the cylinder head. It absorbs a proportion of the combustion heat with which the valve is charged. The valve seat insert gives off this heat to the cylinder head

Specifications

All type internal diameter profiles

Outer Diameter 20 – 70 mm
Outer diameter geometrical tolerances :- Roundness 0.005mm,Cylendercity 0.010mm,concentricity 0.050mm,Runout 0.050mm,size tolerance 0.010-0.020mm, finish 0.50Ra+
Internal Diameter 15 – 55 mm
Internal diameter tolerances: - Finish 1.00Ra -1.60 Ra, Roundness 0.005mm, Cylendercity 0.010mm, size tolerance +/- 0.050mm, Perpendicularly 0.02mm,Flatness 0.020mm,Parallelism 0.05mm,
Length 4 – 25 mm with tolerance +/- 0.050mm.

Valve Seat Inserts

Valve Seat Inserts

Specifications

All type internal diameter profiles

For above inspection required CMM

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