Suction / delivery connections Boxer 81 / 90 1” f BSPP (*) Suction / delivery connections FDA Boxer 81 1”1/2 Clamp BS 4825’ Air fitting 3/8″ f BSPP Max. flow rate* 110 l/min Max. supply air pressure 8 bar Max. head* 80 m Max negative suction head – dry-running** 4 m Max negative suction head – with pump primed 9,5 m Max. diameter suspended solids 4 mm Noise 70 dB