Cobalt Alloy Valve Ball and Seat

Cobalt Alloy Valve Ball and Seat

• Material: Cobalt alloy
• Application: oil drilling, deep-sea drilling, oil pump valve ball and ball seat
• Characteristics: excellent performance in high-temperature resistance, wear resistance, and corrosion resistance

API pump valve ball seat has evolved from the traditional plug valve. Its opening and closing part is a sphere, and the purpose of opening and closing is realized by the sphere around the axis of the valve stem.

The ball’s material is STP 12, and the highest hardness can reach HRC49. The material of the valve seat is STP 3, and the maximum hardness of the valve seat can reach HRC55. The ball and the valve seat will be paired grinding,  and all the sealing areas of the entire sealing surface of the ball valve are precisely ground.

The valve ball valve seat is an essential part of the oil extraction pump, and its use status directly determines the life of the oil extraction pump. Cobalt alloy has high temperature, wear, and corrosion resistance and can adapt to harsh environments.

For sealing of valves of oil pumps in the petroleum industry’s sand-containing wells, viscous oil wells, sea oil wells, high-pressure sulfur-resistant oil wells, etc. Various grades can be supplied according to the customer’s drawings. The surface finish, tolerance class, and dimensions tolerances have reached the machine industry standards.