Model 9201 is a thermostatic mixing valve that mixes hot and cold water to supply one or more safety showers with hot water, for which a flow of up to 76l/Min. is necessary. The unit is made of bronze, brass, copper and stainless steel. Hot water: The thermostatic mixing element responds to changes in temperature of the inflowing hot and cold water to keep the discharge temperature within a tolerance of 2.5ºC. Error protection: Included liquid thermal control thermostat with tamper-proof setting. The system includes the Heisswasserzufuhr if the cold water supply fails. Heisswasserzufuhr is interrupted or falls out of the thermostat, the valve in the cold water bypass mode. Max ca.7 BAR inlet pressure, inlet temperature 82°C. Recommended inlet temperature 60°C. Minimum inlet temperature 49°C.