| Exhaust function | Can be throttled | 
                                
                                    | Actuation type | pneumatic | 
                                
                                    | Sealing principle | Soft | 
                                
                                    | installation position | arbitrary | 
                                
                                    | Hand assist actuation | none | 
                                
                                    | Construction set up | Piston pusher | 
                                
                                    | Reset mode | Mechanical spring | 
                                
                                    | Control type | Direct | 
                                
                                    | Flow direction | Not reversible | 
                                
                                    | Valve function | 2/2 closed monostable | 
                                
                                    | Operating  pressure [bar] | 3 to 16 | 
                                
                                    | b-value | 0.59 | 
                                
                                    | C-value [] | 9,0 | 
                                
                                    | Normal nominal flow [l/min] | 2.600 | 
                                
                                    | 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) | 
                                
                                    | Corrosion resistant class KBK | 2 - moderate corrosion stress | 
                                
                                    | Air purity class at the output | Compressed air to ISO 8573-1:2010 [7:4:4] | 
                                
                                    | Medium temperature [°C] | -10 to 60 | 
                                
                                    | ambient temperature [°C] | -10 to 60 | 
                                
                                    | Maritime classification | see Certificate | 
                                
                                    | Product weight [g] | 270 | 
                                
                                    | Fastening type | pipe installation | 
                                
                                    | Pneumatic connection 1 | G1/4 | 
                                
                                    | Pneumatic connection 2 | G1/4 | 
                                
                                    | Material information | RoHs compliant | 
                                
                                    | Seals material | NBR | 
                                
                                    | Housing  material | Aluminium die casting | 
                                
                                    | Weight | 270 g / Pcs | 
                                
                                    | GTIN | 4052568147174 | 
                                
                                    | Customs duty number | 84812090 | 
                                
                                    | RoHS compliant | Yes | 
                                
                                    | Manufacturer | Festo | 
                                
                                    | Document | Group data sheet: On-off/soft-start valves, D series (english) , Data sheet |