Large check valves are molded from high purity PFA material. Using a No O-ring, no metal spring construction, it is the ideal solution to prevent unwanted back flow situations.
                                                                                End Connection Type | 
                                                                        N/A FuseBond™ | 
                                                                                Orifice | 
                                                                        N/A 1/2 in | 
                                                                                End Connection Size | 
                                                                        N/A 1/2 in | 
                                                                                A - Length | 
                                                                        N/A 4.35 in110.49 mm | 
                                                                                Fluid Temperature Range | 
                                                                        N/A 5 to 121 ºC | 
                                                                                Operating Temperature Range | 
                                                                        N/A 32 to 250 ºF0 to 121 ºC | 
                                                                                Maximum Operating Pressure at Room Temperature | 
                                                                        N/A 150 psi1034 kPa | 
                                                                                Cracking (Opening) Pressure | 
                                                                        N/A < 2 psig< 13.79 kPa | 
                                                                                Minimum Sealing Back Pressure | 
                                                                        N/A 10 psig69 kPa | 
                                                                                Mounting Position | 
                                                                        N/A Any Orientation (Subject to Media Flow Direction) | 
                                                                                Non-Standard Options | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          
  | 
                                                    
                                                                                Features/Benefits | 
                                                                        
                                                                                    
                                                                                        N/A
                                                                                          
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                                                                                B - Diameter | 
                                                                        N/A 1.72 in |