Hoke's DL/TL ball valves are uni-directional, high cycle valves that exceed 100,000 cycles with zero seat leakage. Depending on seat, seal, and washer material selected.
Specifications
                                                                                End Fitting to Body Connection | 
                                                                        N/A Gasketed | 
                                                                                Connections - Inlet | 
                                                                        N/A 1/4" Gyrolok | 
                                                                                Connections - Outlet | 
                                                                        N/A 1/4" Gyrolok | 
| Body Material1 | N/A Monel | 
                                                                                Cv Factor | 
                                                                        N/A 0.80 | 
                                                                                Orifice | 
                                                                        N/A 0.187 in4.75 mm | 
                                                                                Maximum Operating Pressure | 
                                                                        N/A 6000 psig at 70° F (414 Bar at 21° C) | 
                                                                                Operating Temperature Range | 
                                                                        N/A -40 to +350 ºF-40 to +177 ºC | 
                                                                                A | 
                                                                        N/A 3.11 in79.0 mm | 
                                                                                B | 
                                                                        N/A 1.82 in46.2 mm | 
                                                                                C | 
                                                                        N/A 1.29 in32.8 mm | 
                                                                                Cycle Life | 
                                                                        N/A 100000 cycles | 
                                                                                Proof Pressure Safety Factor | 
                                                                        N/A 2:1 | 
                                                                                Burst Pressure Safety Factor | 
                                                                        N/A 4:1 | 
                                                                                Actuation Method | 
                                                                        N/A Lever Handle | 
                                                                                Packaging Material | 
                                                                        N/A PTFE & FKM (Viton®) | 
                                                                                Seat Material | 
                                                                        N/A PCTFE | 
                                                                                Washer Material | 
                                                                        N/A PTFE | 
                                                                                Delta Back-up Ring Material | 
                                                                        N/A PTFE | 
                                                                                O-ring Material | 
                                                                        N/A FKM(Viton®) | 
                                                                                Stem Seal Type | 
                                                                        N/A Delta Stem Seal | 
                                                                                Denotes Live-Load Seats | 
                                                                        N/A Live Loaded Seat (Uni-directional Flow) | 
Features & Benefits
| 
                                                                         
                                                                            N/A
                                                                            Delta stem seal (D & DL)  | 
                                                    
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