Arrow Check Valve Forced Reset FJ203/70-6 5/8 in. FH Well Drilling Control API71

Arrow Check Valve Forced Reset FJ203/70-6 ⁵/₈ in. FH API71 Well Drilling Control 

Overview: arrow check valve is an important blowout preventer in drilling rig, used to prevent high-pressure oil or gas flow blowing out from drilling rigs. It is classified into right-handed and left-handed arrow check valves according to its using mode. Structure and features: arrow type check valve is made up of body, pressure cap, valve seat, seal ring, sea arrow, support, spring, etc. It is not susceptible to the corrosion of the drilling fluid due to the arrow-shaped structure of the seal arrow and the high-hardness wear resistant layer covered on the surface. It boasts high seal reliability with the spring used for forced reset. Arrow check valve is generally installed at the bit, the first drill collar or the location as specified in the design. The installation of arrow check valve for tubing varies with the particular case. This product is designed and manufactured in accordance with the petroleum and natural gas industry standard of People’s Republic of China Drilling Tool Check Valve (SY/T 5215-2005) and API7-1 standard.

1. High Pressure Resistance

2. Excellent Seal Reliability

3. Spring Type (Forced Reset)

4. API Standard 

Major technical parameters and dimensions: