IMOVILLI HOBBY medium/high-pressure diaphragm pump 18 l/1 -20 bar-700 RPM For 4-stroke internal combustion engine and for electric motor Reduction ratio 1:4.55 (NOT OK for old engines like CM or EMAK , CHANGE REDUCTION RATIO TO 1: 6. 5) Medium/high pressure diaphragm pump - internal manifolds IMOVILLI: model HOBBY 18 l/1 - 20 bar - 700 RPM Pump with two semi-hydraulic diaphragms, internal manifolds, built-in regulating valve and anti-corrosion oxidised heads. Used for small treatments, including professional spraying, pest control and weed control. TECHNICAL SPECIFICATIONS RPM/1 : max 700 rpm Pressure: max 20 bar Flow rate: max 18 l/1 Weight: 4 Kg Overall dimensions: 202 x 167 x 240 The following spare parts are also available on request: