A module for mounting on the end of a handle of a coating material dispensing device comprises at least a coating material fitting for coupling to a source of coating material. The valve assembly utilizes sealing beads to provide seals so that fluid cannot be dispensed from the assembly when the assembly is in the closed position. An electrical potential is applied to the conductive core wire to impart an electrical charge to the conductive core wire. This provides increased disk drive capacity andor higher performance.