Positive choke valve can adjust output pressure and control output flow. Its main structure includes valve body, bonnet, positive choke element and other parts. The positive choke element is made of alloy steel inlaid alloy, which meets the production and testing requirements of various media. The positive choke elements with different sizes are replaced according to the design requirements, which has the advantages of stable operation, erosion resistance, simple operation, easy disassembly and accurate choke performance.

Nominal Bore: 2-1/16 "~5-1/8"
Working Pressure: 2000Psi~20000Psi
Temperature Class: L.X (-46 ℃ ~ 180 ℃)
Material Class: AA~HH
Product Specification Level: PSL1~PSL4
Performance Rate: PR1~PR2
Choke bean size: 1 "~4"
Working medium: oil, natural gas, mud, gas containing H2S and CO2