... The Christmas tree assemblies incorporate Xinde gate valves, chokes and actuators depending upon the applications. Feature of partial oil ... adopt integer forging structureStructure is tighten , installation is convenience and space is little Main technical parameterWorking pressure (psi) 2M ... AA, BB, CC, DD, EE, FFWorking temp. L, P, R, S, T, U, VProduct Specification Level PSL1, PSL2, PSL3, ...