DIRECTIONAL OPENING VALVE

INTRODUCTION

The directional opening valve is installed on the upper end surface of the 350℃ thermal injection packer,  and the lower end is connected to the packer by threads. After the directional opening valve is lowered to  the design depth, the pressure enters the directional opening valve cavity through the annulus, pushing  the piston rod downward, cutting the shear nails, and the piston connecting cap destroys the graphite  ring, realizing the opening of the ground control constant pressure opening valve, and directional once  opened, the opening valve cannot be closed, Only used when the Thermal injection gas vent valve cannot  be opened normally.

FEATURES

◎ Pressurized the oil casing annulus to achieve opening; 

◎ Reliable metal-to-metal seal and long life; 

◎ Standard API connection thread.

Note: Other specification products are available.