SafeTbag WDU Wireless Discharging Unit is specially designed as the discharging system of SafeTbag WB Load Test Water Bags. This unit ensures an easy discharging, its usage is rather safe and reliable in comparison to manual discharging which requires the check valve rope’s manual pulling. The only thing you need to OPEN or CLOSE the check valve is a remote control. Safetmade is proud to be the sole manufacturer and seller of WDU in the world.
Waterbags WB User Manual 
WDU DATA SHEET 