Valve function One-way flow control function Pneumatic connection, port 1 G3/8 Pneumatic connection, port 2 G3/8 Adjustment component Knurled screw Type of mounting Either: Front panel mounting With through-hole Standard nominal flow rate in flow control direction 1010 l/min Standard nominal flow rate in blocked direction 1150 l/min Operating pressure 0.1 bar ... 10 bar Ambient temperature -20 °C ... 75 °C Material housing Die-cast zinc Explosion protection The information in the certificate must be observed! Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) Mounting position optional Symbol 00991453 Operating medium Compressed air to ISO 8573-1:2010 [7:4:4] Note on operating and pilot medium Lubricated operation possible (in which case lubricated operation will always be required) LABS (PWIS) conformity VDMA24364-B1/B2-L Media temperature -20 °C ... 75 °C Product weight 225 g Note on materials RoHS-compliant Material adjusting screw Brass