Дозатор моющего средства, гидравлический

this version is suitable for connection with SOLENOID VALVE TUBING adjustable flow rate from 0 to 5 cc polypropylene + FV body pressure min 0.3 bar - max 3 bar spring-loaded ram in stainless steel The system operates by water pressure differential. During each cycle, the positive pressure on the outside causes rinse aid detergent to be sucked; at the end of every washing or rinsing cycle, a spring injects the desired quantity of liquid in the rinsing tubing.