| Product name | Choke Valve |
| Working pressure | 10000-20000 PSI |
| Nominal bore | 1 13/16"~7 1/16" (46mm~180mm) |
| Working medium | oil,natural gas,mud and gas containing H2S,CO2 |
| Working temperature | -29ºC-121ºC |
| Specification level | PSL 1- PSL 4 |
| Performance requirement | PR 1-2 |
| Material class | AA,BB,CC,DD,EE,FF,HH |
| Manufacture standard | API Spec 6A, API Sec 16C |
