Suction / delivery connections Boxer 522 / Boxer 502 2” f BSPP (*) Suction / delivery connections FDA Boxer 502 2”1/2 Clamp BS 4825 Air fitting 1/2” f BSPP Max. flow rate* 600 l/min Max. supply air pressure 8 bar Max. head* 80 m Max negative suction head – dry-running** 5 m Max negative suction head – with pump primed 9,5 m Max. diameter suspended solids 8 mm Noise 80 dB