3/2 drawer valves, 551 series Range of drawer valves with 3 orifices. Wide range of control mechanisms: lever, pedal and button. Fluid: air or filtered neutral gas Connection: G1/4'' Operating pressure: 0 → 10 bar Rated flow at 6 bar: 860 Nl / min Operating temperature: -10 → +60 °C ref. control components Stock Joucomatic (control / return) no. 551 02 088 2 held positions lever 420-2799 551 02 089 lever / spring 420-2812 551 02 091 pedal / spring 420-2862 551 02 082 pushbutton / spring 420-2890 551 02 083 push - pull button 420-2907