Patent ID: 7392818

Claim:
A slurry dispensing system, comprising a first supply station; a second supply station; a first loop selectively connected to the first supply station and the second supply station; a second loop selectively connected to the first supply station and the second supply station; a first valve device connecting the first loop to points of use; a second valve device connecting the second loop to the points of use, wherein when slurry is supplied to the first loop from the first supply station, slurry is supplied to the second loop from the second supply station, and when slurry is supplied to the second loop from the first supply station, slurry is supplied to the first loop from the second supply station, and when the first valve is opened, slurry is supplied to the points of use from the first loop, and when the second valve is opened, slurry is supplied to the points of use from the second loop.