Equipment for supplying water without hand contact.
By moving the hands in the infrared area of taps or approaching shower and urinal systems, water will flow. The use of electronic mixers is compulsory in places requiring special precautions, such as hospitals and public places.
Furthermore, this application will get a reduction of consumptions due to the fact that the water supply stops automatically a few seconds after use.
Construction Diagram of the System
Solenoid Valve Application
The system is based on an optical sensor (photocell) producing an infrared beam of light.
When the beam is interrupted by the presence of a body the sensor sends an electric impulse to the control unit, which electrically operates the two solenoid valves.
The valves are connected to the hydraulic system and deliver hot and cold water. Thanks to a mixer, the water temperature is properly regulated.
Solenoid Valves Used
A remarkable flow rate is needed for this application. Therefore the choice of a pilot operated solenoid valve in place of a direct-acting valve is justified by a very large nominal diameter ( 13 mm).
In addition, the recommended valve undergoes a Niploy coating process to withstand outdoor deterioration caused by the atmosphere in places like urinals.
The recommended valve is more competitive than stainless steel valves of our competitors.
If you would like to speak to a member of our technical team regarding the solenoid valves above, or to create a bespoke unit for your application call us on 01234 855888 or send us an email