FESTO NVF3-MOH-5/2-K-1/4-EX

Description

Valve function 5/2 or 3/2, monostable Actuation type Electrical Width 53 mm Standard nominal flow rate 900 l/min Pneumatic working port Sub-base Operating voltage Via solenoid coil, must be ordered separately Operating pressure 0.2 MPa … 1 MPa Operating pressure 2 bar … 10 bar Structural design Plate seat Reset method Mechanical spring CE marking (see declaration of conformity) as per EU explosion protection directive (ATEX) Explosion protection certification outside the EU EPL Db (GB) EPL Gb (GB) UKCA marking (see declaration of conformity) acc. to UK EX instructions ATEX category gas II 2G ATEX category for dust II 2D Type of ignition protection for gas Ex h IIC T6 Gb Ex h IIC T6 Gb Type of (ignition) protection for dust Ex h IIIC T70°c Db Explosive ambient temperature -5°c <= Ta <= +40°c Nominal width 7 mm Exhaust air function With flow control option Sealing principle Soft Mounting position Any Conforms to standard VDI/VDE 3845 (NAMUR) Manual override Detenting Non-detenting Type of control Pilot-controlled Flow direction Non-reversible Symbol 00991831 Lap Underlap b-value 0.33 C value 4.2 l/sbar Switching time off 100 ms On switching time 50 ms Explosion prevention and protection Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) Operating medium Compressed air as per iso 8573-1:2010 [7:4:4] Information on operating and pilot media Operation with oil lubrication possible (required for further use) Corrosion resistance class (CRC) 1 - Low corrosion stress Temperature of medium -5 °c ... 40 °c Ambient temperature -5 °c ... 40 °c Product weight 280 g Type of mounting On terminal strip Venting hole connection Internal Pilot exhaust air port 84 M5 Pneumatic connection 1 G1/4 Pneumatic connection 2 NAMUR connection diagram Pneumatic connection 3 G1/4 Pneumatic connection 4 NAMUR connection diagram Pneumatic connection 5 G1/4 Seals material NBR Housing material Die-cast aluminum