... 40 degree3.Technical CharacteristicsS450, 0.16 sq meter(filter area), 1.5’’/50mm(valve connections) 8.10 cbm/h( ... rate) 45kg(sand)S500, 0.22sq meter(filter area), 1.5’’/50mm(valve connections) 11.1 cbm/h(flow ... ) 85kg(sand)S650, 0.32 sq meter(filter area), 1.5’’/50mm(valve connections) 15.6 cbm/h(flow ... rate) 145kg(sand)S700, 0.40 sq meter(filter area), 1.5’’/50mm(valve connections) 19.5cbm/h(flow rate ...