Flat gate valve
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.
Basic parameters
Nominal size: 1-13 / 16 "~ 7-1 / 16"
Rated pressure: 2000psi ~ 20000psi
Temperature: – 46 ° C to + 121 ° C (Lu grade)
Material grade: AA, BB, CC, DD, EE, FF, HH
Specification level: psl1-4
Performance level: pr1-2
Executive standard: API Spec 6A & NACE Mr 0175
Operation mode: manual, pneumatic, electric and hydraulic