| Valve function | Check valve function | 
                                
                                    | Pneumatic connection 1 | QS-10 | 
                                
                                    | Pneumatic connection 2 | QS-10 | 
                                
                                    | Fastening type | pipe installation | 
                                
                                    | Operating  pressure [bar] | -1 to 10 | 
                                
                                    | ambient temperature [°C] | 0 to 60 | 
                                
                                    | Housing  material | Anodized aluminium | 
                                
                                    | Operating medium | Compressed air to ISO 8573-1:2010 [7:-:-] | 
                                
                                    | Information about operating and control medium | Oiled operation possible (required in further operations) | 
                                
                                    | Product weight [g] | 63,0 | 
                                
                                    | Material information | Copper and PTFE-free | 
                                
                                    | Normal nominal flow [l/min] | 1.480 | 
                                
                                    | Min. open differential pressure [bar] | 0,1 | 
                                
                                    | Min. close differential pressure [bar] | 0,2 | 
                                
                                    | Housing colour | #EDEDED | 
                                
                                    | Weight | 63,0 g / Pcs | 
                                
                                    | GTIN | 4052568011420 | 
                                
                                    | Customs duty number | 84813099 | 
                                
                                    | RoHS compliant | Yes | 
                                
                                    | Manufacturer | Festo | 
                                
                                    | Document | Group data sheet: Non-return valves (english) , Data sheet |