Valve function One-way flow control function Pneumatic connection, port 1 QS-8 Pneumatic connection, port 2 QS-8 Adjusting element Knurled screw Mounting type Front panel installation with through hole with accessories Optional Standard nominal flow rate in flow control direction 265 l/min Standard nominal flow rate in non-return direction 500 l/min Operating pressure 0.2 ... 10 bar Ambient temperature -10 ... 60 °C Material housing PA-reinforced Assembly position Any 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) Medium temperature -10 ... 60 °C Product weight 23 g Materials note Conforms to RoHS Material seals NBR Material release ring POM