According to UNE 13451-1 standard, in public pools:

– Water passing speed 0.5 m/seg
– Maximum suction velocity 1.5 m/seg
– Minimum distance between drains: >2 m
Recommended use of WARNER security system to detect any irregularities and effect automatic shutdown of pumps Made in ABS. Side connection 2″ and bottom connection 11/2″ with knockout. Maximum flow: 13 m3/h