Technical details Connection M5 Nominal size 2 mm Temperature range -10°C ... +70°C Medium Filtered, oil-free and dried compressed air according to ISO 8573-1:2010, Class 7:2:4, instrument air, free of aggressive additives. Alternatively the pressure dew point must be at least 10°C below lowest occurring ambient temperature. Materials Body: Al (anodized), seals: NBR, inner parts: stainless steel and brass, stem: stainless steel (E), plastic (ER, EL), roller: stainless steel (ER), plastic (EL), lever: brass 12 2 1 3 EL-25-310 3/2-way, mechanical spring return, roller operated with free return 12 2 1 3 E-25-310 3/2-way, mechanical spring return, stem operated Technical data 2 1 3 12 EH-25-310 3/2-way, mechanical spring return, hand lever operated Model-no.: E-25-310 ER-25-310 EL-25-310 EH-25-310 Operating pressure (bar) 0 ... 12 0 ... 12 0 ... 12 0 ... 12 Flow rate (Nl/min) 80 80 80 80 Actuating force at 6 bar (N) 15 8 8 4,5 Pre-stroke (mm) 1,25 1,5 1,5 1,5 Actuation stroke (mm) 1,25 1,5 1,5 1,5 Pre actuation stroke (mm) 1,5 1,2 1,2 1,2 Weight (kg) 0,035 0,046 0,044 0,036