MFH-5-1/4-B-EX Item Code 535919 FESTO Solenoid valve

solenoid valve MFH-5-1/4-B-EX Part number: 535919 Classic - do not use for new projects With manual override, without solenoid coil or socket. Solenoid coil and socket should be ordered separately. Modern alternatives can be found by entering the first four characters of the type code in the search field. Click to enlarge General operating conditions Data sheet Datasheet product reliability Click to enlarge Data sheet Feature Value Shipping date View Valve function 5/2 monostable Type of actuation electrical Width 32 mm Standard nominal flow rate 1,300 l/min Operating pressure MPa 0.2 ... 1 MPa Operating pressure 2 ... 10 bar Design structure Poppet seat Type of reset mechanical spring CE mark (see declaration of conformity) to EU directive explosion protection (ATEX) Explosion protection certification outside the EU EPL Db (GB) EPL Gb (GB) UKCA marking (see declaration of conformity) To UK EX instructions ATEX category Gas II 2G ATEX category Dust II 2D Explosion ignition protection type Gas Ex h IIC T4 Gb Explosion ignition protection type Dust Ex h IIIC T130°C Db Explosion-proof ambient temperature -5°C lt;= Ta lt;= +40°C Protection class IP65 Nominal size 7 mm Grid dimension 33 mm Exhaust-air function throttleable Sealing principle soft Assembly position Any Manual override Pushing Type of piloting Piloted Pilot air supply Internal Flow direction non reversible Overlap Underlap b value 0.29 C value 5.5 l/sbar Max. switching frequency 3 Hz Switching time off 36 ms Switching time on 12 ms Max. positive test pulse with logic 0 2,200 µs Max. negative test pulse with logic 1 3,700 µs Operating medium Compressed air in accordance with ISO8573-1:2010 [7:4:4] Note on operating and pilot medium Lubricated operation possible (subsequently required for further operation) Corrosion resistance classification CRC 1 - Low corrosion stress PWIS conformity VDMA24364-B1/B2-L Storage temperature -40 ... 60 °C Medium temp