All main drains made in plastic are provided with UV protected grilles.
· 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 Body and grille in white ABS. Fixed grille with screws.