A slip is a suspension in water of clay, sand and/or other materials used in the production of ceramic ware, such as bathroom fixtures or as an anti-slip coating on tiles. Sometimes sodium silicate is added to the slip to
disperse the raw material particles. This allows a higher solids content to be used, or allows a fluid slip to be produced with a minimum of water so that drying shrinkage is minimized, which is important during slip casting.
Usually the mixing of slip is undertaken in a blunger although it can be done using other types of mixers or even by hand.
Slip consistency must be maintained at correct levels for production efficiency and product quality. One 2/2 and one 3/2 VMK 20 valve is employed in order to fill the mold and purge after the filling process.
The abrasive nature of the Ceramic Slip is a big challenge for most valves and cause them often to leak after a short period of time. Premature valve failure results in downtime and waste of material. Unlike conventional valves,
co-ax® valves handle abrasive, corrosive or viscous fluids better than ball, gate valves or butterfly valves. Repeatable opening and closing speed is also important, as it effects the testing time and output. co-ax® valves
performance, that's unaffected by operating pressure or wear, provides exceptionally consistent results.