Cobalt Alloy  API Standard valve balls & valve seats

Both are mainly used for the sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells and high pressure sulfur resistant oil wells, etc. 

They are used with compatible cemented carbide valve seats.

balls and seats to Russia Clients

features:

1. High strength, high wear resistance, 

2.high precision, high temperature resistant, 

3.corrosion resistant.

4.Stainless Steel, Tungsten Carbide, Titanium Carbide, Cobalt Alloy  are the main material.

API standard as follows:

Our API 11AX for balls and seats

Valve Balls & Valve Seats used in One Valve Cage