The flat gate valve is suitable for the key high-pressure (5000PSI ~ 15000PSI) service application on wellhead equipment, Christmas tree and manifold. There are two types of open stem and Non rising stem. Reliable performance. Forged valve body / bonnet; low operating torque; metal to metal high pressure valve body / bonnet seal; metal to metal seat / body (wave spring pre tightening design), seat / gate seal; no rubber material; metal to metal backseat seal can be pressed no matter where the gate is; there is a fitting in the bonnet above the back seat; the gate guide rod seals the body lubricant and protects it Ram surface; manual and drive operation.