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valve grinding vrx - giardinoroccioso . Grinding Mills Repair ball valve machine grinderShanghai. Repair Ball Valve Machine Grinder Repair Ball Valve Machine Grinder Repair Your Clogged Coffee Maker 6 Steps Other coffee pots just have a hose but the Mrcoffee has a VALVE inside the hose It is a valve that controls the water flow but this valve is very small and Contact the manufacturer .