The ZGV Adjustable Choke Valves are with main features and advantages as below:
» Forged body
» Temperature: -46C~121C
» Forged bonnet nut with lugs
» Nominal Bore: 1.13/16"~7.1/16" 
» Rated Pressure: 2,000psi~20,000psi 
» Hole in Bonnet Nut to facilitate venting of pressure
» The bleed valve allows safe venting of the body cavity pressure
» H2 Classic prevents bonnet seal extrusion by means of body-to bonnet contact behind the O-ring seal
» Designed and manufactured in accordance with API 6A, performance verification testing for PR2 level chokes