|
Downhole chemicals, gasses and fluids are all capable of backing up into the tubing string. These can be highly corossive, caustic, high in chlorides and acidic, all of which can have adverse affects on your tubing string.
|
To prevent harmful well components from entering the capillary string.
|
The DCIV-5000 contains a double safety when it comes to the prevention of back flow. The injection valve acts as the first line of defense requiring several times the set pressure to move the dart off of it's seat when the force is applied in the reverse direction. The DCIV-5000 then contains a traditional style dart and seat style check valve that insures no well contaminates can enter the tubing string.
|