Oil Drilling Wellhead Assembly API 6A for Check Valve

Check valve is manufactured and tested in accordance with API Spec 6A, and often used in the oilfield when drilling, check valve is designed and manufactured in accordance with API 6A and API 16C standard. They are specifically made for mud, cement, fracturing and water service and are easy to operation and simple to maintain.We have many sizes and pressure ratings check valves used for drilling applications.

Bore Size 1 13/16″~7 1/16″ (46mm~180mm)
Working Pressure 2,000psi – 15,000psi
Material Class AA – HH
Working Temperature P-U
PSL 1 – 4
PR 1 – 2