What are the Most Popular Valves and Seats Used in Oilfields and Their Characteristics?

What are the Most Popular Valves and Seats Used in Oilfields and Their Characteristics?

1. Three-web Valve: It is a stem-guided three-web seat valve, it features high wear resistance and good service lifetime.
   
   

2. Four-web Valve: It is also called Supreme Type Valve: It is a stem-guided four web seat valve. The crossed structure valve seat assembly maximizes the service life, as it improves the impact absorption due to flapping the valve body.
   
   

3. Full Open Valve: It is a four-wing guided full open frac valves and seats. The full open design expands the flow area and provides excellent flow traits. It is easier to maintain, assemble and handle lost circulation material better than most conventional style valve seats assembly. There are four types of full pen valves that are popularly used in oilfields:

• Roughneck type valve and seat

• Roughneck HP type valve and seat

• FKN (G2) type valve and seat

• SW Type vale
  

4. GD Type valves and seats