| Valve function | Throttle blowback function | 
                                
                                    | Pneumatic connection 1 | QS-8 | 
                                
                                    | Pneumatic connection 2 | G1/4 | 
                                
                                    | Setting element | knurled screw | 
                                
                                    | Fastening type | Screwable | 
                                
                                    | Normal nominal flow in one-way flow control [l/min] | 475 | 
                                
                                    | Normal nominal flow in check valve direction [l/min] | 325 to 500 | 
                                
                                    | Operating  pressure [bar] | 0.2 to 10 | 
                                
                                    | ambient temperature [°C] | -10 to 60 | 
                                
                                    | installation position | arbitrary | 
                                
                                    | Normal flow In one-way flow control 6 -> 0 bar [l/min] | 720 | 
                                
                                    | Normal flow In check valve direction 6 -> 0 bar [l/min] | 610 to 760 | 
                                
                                    | Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | 
                                
                                    | Information about operating and control medium | Oiled operation possible (required in further operations) | 
                                
                                    | Medium temperature [°C] | -10 to 60 | 
                                
                                    | Maritime classification | see Certificate | 
                                
                                    | Product weight [g] | 50,0 | 
                                
                                    | Material information | RoHs compliant | 
                                
                                    | Seals material | NBR | 
                                
                                    | Regulation screw material | High-alloyed stainless steels | 
                                
                                    | Swivel connection material | Zinc pressure cast | 
                                
                                    | Operating pressure complete temperature range [bar] | 0.2 to 10 | 
                                
                                    | Banjo bolt material | Aluminium wrought alloy | 
                                
                                    | Bearing temperature [°C] | -10 to 40 | 
                                
                                    | Nominal tightening torque [Nm] | 5,0 | 
                                
                                    | Sleeve material | POM | 
                                
                                    | Knurled head material | Aluminium wrought alloy | 
                                
                                    | Weight | 50,0 g / Pcs | 
                                
                                    | GTIN | 4052568048891 | 
                                
                                    | Customs duty number | 84812090 | 
                                
                                    | RoHS compliant | Yes | 
                                
                                    | Manufacturer | Festo | 
                                
                                    | Document | Group data sheet: One-way flow control valves (english) , Data sheet |