Service conditions series dm gate valves are commonly selected for a. The seats are designed for a complete tight shut off after every closing cycle. Demco style gate valve series dm 7500psi 5 3 16in full port 0 00 step 1.
Scoton Sucker Rod Bop Is Safety Combined Sealing Device Installed In The Wellhead Prevent Well Kick And Blowout Caused By High Pressure Gas Rod Bop Blowout