TIW Valve 3·1/2" IF Full Opening Safety Valve FOSV Repair Kit
The TIW valves also called Full Opening Safety Valve FOSV is used for the emergency situations involving blowouts,the fully open safety valve can be closed to seal the pressure inside the drill string.There are two types of stabbing valves that must be prepared for well control: Full Opening Safety Valve (TIW valve) and Inside BOP valve (Gray Valve).The Forwell company can supply the Full Opening Safety Valve FOSV with various API thread connection EUE 8Rd,API IF PIN X BOX,API NC50 connec and premium thread connection V.TOP,RTS-8,CS,RTS-6,PH-6 equivalent such as 4-1/2" IF PIN TO 4-1/2" IF BOX FOSV & 3-1/2" V.TOP FOSV & Its repair kits & TIW VALVES (DS55 Box X DS55 Pin).
