Deadman valve
Muhammad Adnan Sajid
Senior Production Operator |Control Room |Field Operator | Refinery CDU NHT Oil Movement | Oil & Gas | Co2 Removal Membranes | Amine | Dehydration TEG & MEG | LPG | LNG| Utilities | P&ID |Safety Commissioning | Wellheads
Deadman valve is used where the valve cannot be left open. This is to ensure that the safe condition is always maintained when the valve is left unattended.It requires someone to put pressure on liver/handle against the spring to open the valve.Valve closes automatically when the handle is released.applications for e.g.
?? Intermittent blowdown valve in a steam drum
?? flare header/system condensate transfer valve