wellhead and X-mas trees : 1)WP:2000-15000psi 2)work temp:-46- ... LU) 3)material class:AA-HH 4)Product Specificatio x-mas tree x-mas tree is designed and manufactured in terms of ... CO2 Material Class: AA,BB,CC,DD,EE,FF,HH Rated Working Temperature: -46.C~121.C(LU class) Valve model ... brake valve , wedge brake valve Product Specification Level: PSL1~PSL4 x-mas tree