Build-In double check valve and vacuum breaker. Check valve to prevent water to go to additive. Vacuum Breaker intake must always be 300 mm above ground level, to prevent environmental flooding be sucked into the mixer and thereby waterworks (possibly by cutting the vacuum valve house-top and extend with hose).

• Accurately mixes and dispenses water mixcutting & grinding fluids from the barrel
• Developed to meet the strongest demands from waterworks all over the world for category 3 fluids and ISO EN1717