■ LONG LIFE OPERATION
At the time of ball rotating, no touch and rub with ball seat, therefore there is not possibility to increase torque something bite between ball
and seat. It is realized long life operation.
And this model is suitable for pneumatic conveyer system with high frequency line and slurry fluids.
■ CONTAMINATION LESSRubbed powder of PTFE, Rubber, Metal seat is not possibility to into fluid.
Therefore it is best for food additives,
chemical and line that need high safety.