... all kinds of casing Multi-block wellheadPressure2000PSI~20000PSIMediumOil, gas, mud, containing H2S, CO2 gasTemperature-46°C~121°C(LU level)MaterialAA,BB ... gas, mud, containing H2S, CO2 gas• Operating temperature: -46 ° C ~ 121 ° C (LU level)• Material grade: AA, BB, CC, DD, EE ... Level: PSL1 ~ 4• Performance Level: PR1 ~ 2 API 6A Multi-Block Wellhead