Wittmann Battenfeld India Pvt Ltd offers Water Flow Regulators with Solenoid Z Valves. Wittmann Battenfeld India Pvt Ltd is an ISO 9001:2000 certified company. Water Flow Regulators with Solenoid Z Valves are controlled by the cycle of the injection molding machine. When the injection cycle is stopped the cold water flow is shutdown to avoid condensation on the mold cavities.